Document:

EX-10.3

 Exhibit 10.3 

RELEASE AGREEMENT 

This Separation and Release Agreement (this “Agreement”) is entered by and between Robert Tirva
(“Executive”) and Sonim Technologies, Inc. (the “Company”), on this 13th day of July, 2022. 

WHEREAS, Executive was employed by the Company, and Executive’s employment relationship with the Company ended on July 13,
2022 (the “Separation Date”); 
 WHEREAS, Executive is a party to a Retention and Separation Agreement with the
Company dated April 13, 2022 (the “Separation Agreement”) and an Employment Agreement with the Company dated October 14, 2021 (the “Employment Agreement”); 

WHEREAS, concurrently herewith, Executive has executed and delivered to the Company an Employment, Confidential Information and
Invention Assignment Agreement in substantially the form attached hereto as Exhibit A (the “Proprietary Information Agreement”); and 

WHEREAS, the Separation Agreement provides for certain severance benefits to be provided to Executive in connection the termination of
his employment with the Company (in lieu of the severance benefits that would otherwise be provided under the Employment Agreement); and 

WHEREAS, the parties desire to enter into this Agreement on the terms and conditions set forth below. 

NOW, THEREFORE, in consideration of the covenants undertaken and the releases contained in this Agreement, Executive and the Company
agree as follows: 
 1.    Resignation. Executive irrevocably resigns as an officer,
employee, director, manager and in each and every other capacity with the Company and each of its Affiliates (as such term is defined below) effective on the Separation Date. The Company confirms that such resignations are accepted. Executive agrees
that he currently holds no such position. Executive agrees that he has been paid all compensation and benefits due from the Company and each of its Affiliates (including, but not limited to, accrued vacation, salary, bonus, incentive, and other
wages and benefits), and that all payments due to Executive from the Company or any of its Affiliates after the Separation Date shall be determined under this Agreement. Executive agrees that he has submitted and been reimbursed for all reimbursable
business expenses. As used in this Agreement: (i) the term “Affiliate” means a person that directly or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, the Company;
(ii) the term “control,” including the correlative terms “controlling,” “controlled by” and “under common control with,” means the possession, directly or indirectly, of the power to direct or cause the
direction of management or policies (whether through ownership of securities or any partnership or other ownership interest, by contract or otherwise) of a person; and (iii) the term “person” shall be construed broadly and includes,
without limitation, an individual, a partnership, a limited liability company, a corporation, an association, a joint stock company, a trust, a joint venture, an unincorporated organization and a governmental entity or any department, agency or
political subdivision thereof. 

 2.    Severance Benefits. Provided that
Executive (i) signs this Agreement and does not revoke this Agreement and (ii) continues to comply with his obligations under the Proprietary Information Agreement, including
the non-competition and non-solicitation provisions thereof, the Company shall pay or provide to Executive the severance benefits provided in
paragraph 2 of the Separation Agreement in accordance with the terms set forth therein. 
 3.    Consulting
Services. As contemplated by the Separation Agreement, Executive agrees to provide consulting services as reasonably requested by the Company to facilitate the transition of his duties for a period of three (3) months following the
Separation Date (the provision of such services being a condition of the Company’s obligation to reimburse Executive’s COBRA premiums as provided in the Separation Agreement). Executive acknowledges that he will not be entitled to any
other consideration for such services and that, while providing such services, Executive will not be an employee of the Company for any purpose whatsoever, including state and federal taxes and workers’ compensation insurance, but will be
acting as an independent contractor of the Company with respect to such services. 
 4.    Release of
Claims. Executive, on his own behalf and on behalf of his descendants, dependents, heirs, executors, administrators, assigns and successors, and each of them, hereby fully and forever releases the Company, its divisions, subsidiaries,
parents, or affiliated corporations, past and present, and each of them, as well as its and their assignees, successors, directors, officers, stockholders, partners, representatives, attorneys, agents or employees, past or present, or any of them
(individually and collectively, “Releasees”), from, and agrees not to sue concerning, or in any manner institute, prosecute or pursue, or cause to be instituted, prosecuted, or pursued, any claim, duty, obligation or cause of action
relating to any matters of any kind, whether presently known or unknown, suspected or unsuspected, that Executive may possess against any of the Releasees arising from any acts or omissions that have occurred up until and including the date and time
that Executive signs the Agreement (collectively, “Claims”), including, without limitation, (a) any and all Claims relating to or arising from Executive’s employment relationship with the Company and the termination of
that relationship; (b) any and all Claims for violation of any federal, state or municipal law, constitution, regulation, ordinance or common law, including, but not limited to, Title VII of the Civil Rights Act of 1964; the Civil Rights Act of
1991; the Americans with Disabilities Act of 1990; the Fair Labor Standards Act; the Employee Retirement Income Security Act of 1974; the federal Family Medical Leave Act; the California Business and Professions Code; the California Family Rights
Act; the California Fair Employment and Housing Act; and the California Labor Code; and all amendments to each such law; (c) any and all Claims for any wrongful discharge of employment; termination in violation of public policy; discrimination;
harassment; retaliation; breach of contract, both express and implied (including but not limited to Claims arising out of the Offer Letter); breach of covenant of good faith and fair dealing, both express and implied; promissory estoppel; negligent
or intentional infliction of emotional distress; fraud; negligent or intentional misrepresentation; negligent or intentional interference with contract or prospective economic advantage; unfair business practices; defamation; personal injury;
invasion of privacy; false imprisonment; and conversion; (d) any and all Claims for wages, benefits, severance, 

 
vacation, bonuses, commissions, equity, expense reimbursements, or other compensation or benefits; and (e) any and all Claims for attorneys’ fees, costs and/or penalties; provided,
however, that the foregoing release does not apply to any obligation of the Company to Executive pursuant to any of the following: (1) the severance benefits provided in paragraph 2 of the Separation Agreement; (2) any right to
indemnification that Executive may have pursuant to the Company’s bylaws, its corporate charter or under any written indemnification agreement with the Company (or any corresponding provision of any subsidiary or affiliate of the Company) with
respect to any loss, damages or expenses (including but not limited to attorneys’ fees to the extent otherwise provided) that Executive may in the future incur with respect to his service as an employee, officer or director of the Company or
any of its subsidiaries or affiliates; (3) with respect to any rights that Executive may have to insurance coverage for such losses, damages or expenses under any Company (or subsidiary or affiliate) directors and officers liability insurance
policy; (4) any rights to continued medical and dental coverage that Executive may have under COBRA; or (5) any rights to payment of benefits that Executive may have under a retirement plan sponsored or maintained by the Company that is
intended to qualify under Section 401(a) of the Internal Revenue Code of 1986, as amended. In addition, this release does not cover any Claim that cannot be so released as a matter of applicable law. Notwithstanding anything to the contrary
herein, nothing in this Agreement prohibits Executive from filing a charge with or participating in an investigation conducted by any state or federal government agencies. However, Executive does waive, to the maximum extent permitted by law, the
right to receive any monetary or other recovery, should any agency or any other person pursue any claims on Executive’s behalf arising out of any claim released pursuant to this Agreement. For clarity, and as required by law, such waiver does
not prevent Executive from accepting a whistleblower award from the Securities and Exchange Commission pursuant to Section 21F of the Securities Exchange Act of 1934, as amended. Executive acknowledges and agrees that he has received any and
all leave and other benefits that he has been and is entitled to pursuant to the Family and Medical Leave Act of 1993. 

5.    Waiver of Unknown Claims. This Agreement is intended to be effective as a general
release of and bar to each and every Claim hereinabove specified. Accordingly, Executive hereby expressly waives any rights and benefits conferred by Section 1542 of the California Civil Code and any similar provision of any other applicable
state law as to the Claims. Section 1542 of the California Civil Code provides: 
 “A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS
THAT THE CREDITOR OR RELEASING PARTY DOES NOT KNOW OR SUSPECT TO EXIST IN HIS OR HER FAVOR AT THE TIME OF EXECUTING THE RELEASE AND THAT, IF KNOWN BY HIM OR HER, WOULD HAVE MATERIALLY AFFECTED HIS OR HER SETTLEMENT WITH THE DEBTOR OR RELEASED
PARTY.” 
 Executive acknowledges that he later may discover claims, demands, causes of action or facts in addition to or different from those which
Executive now knows or believes to exist with respect to the subject matter of this Agreement and which, if known or suspected at the time of executing this Agreement, may have materially affected its terms. Nevertheless, Executive hereby waives, as
to the Claims, any claims, demands, and causes of action that might arise as a result of such different or additional claims, demands, causes of action or facts. 

 6.    ADEA Waiver. Executive expressly
acknowledges and agrees that by entering into this Agreement, he is waiving any and all rights or claims that he may have arising under the Age Discrimination in Employment Act of 1967, as amended (the “ADEA”), and that this waiver
and release is knowing and voluntary. Executive and the Company agree that this waiver and release does not apply to any rights or claims that may arise under the ADEA after the date Executive signs this Agreement. Executive further expressly
acknowledges and agrees that: 
 (a)    In return for this Agreement, he will receive consideration beyond that which he
was already entitled to receive before executing this Agreement; 
 (b)    He is hereby advised in writing by this
Agreement to consult with an attorney before signing this Agreement; 
 (c)    He was given a copy of this Agreement on
June 16, 2022, and informed that he had twenty-one (21) days within which to consider this Agreement and that if he wished to execute this Agreement prior to the expiration of such 21-day period he will have done so voluntarily and with full knowledge that he is waiving his right to have twenty-one (21) days to consider this Agreement; and that such
twenty-one (21) day period to consider this Agreement would not and will not be re-started or extended based on any changes, whether material or immaterial, that
are or were made to this Agreement in such twenty-one (21) day period after he received it; 

(d)    He was informed that he had seven (7) days following the date of execution of this Agreement in which to revoke
this Agreement, and this Agreement will become null and void if Executive elects revocation during that time. Any revocation must be in writing and must be received by the Company during the seven-day
revocation period. In the event that Executive exercises this revocation right, neither the Company nor Executive will have any obligation under this Agreement or under the Separation Agreement. Any notice of revocation should be sent by Executive
in writing to the Company (attention: Chief Executive Officer at p.liu@sonimtech.com), so that it is received within the seven-day period following execution of this Agreement by Executive. 

(e)    Nothing in this Agreement prevents or precludes Executive from challenging or seeking a determination in good faith
of the validity of this waiver under the ADEA, nor does it impose any condition precedent, penalties or costs for doing so, unless specifically authorized by federal law. 

7.    No Transferred Claims. Executive warrants and represents that he has not heretofore
assigned or transferred to any person not a party to this Agreement any released matter or any part or portion thereof. 

8.    Proprietary Information Agreement. Executive shall, and Executive hereby acknowledges
that he will, comply with his continuing obligations to the Company under the terms of the Proprietary Information Agreement that survive the termination of Executive’s employment with the Company. 

 9.    Return of Property. Executive
represents and covenants that he has returned to the Company (a) all physical, computerized, electronic or other types of records, documents, proposals, notes, lists, files and any and all other materials, including computerized electronic
information, that refer, relate or otherwise pertain to the Company or any of its Affiliates that were in Executive’s possession, subject to Executive’s control or held by Executive for others; and (b) all property or equipment that
Executive has been issued by the Company or any of its Affiliates during the course of his employment or property or equipment that Executive otherwise possessed, including any keys, credit cards, office or telephone equipment, computers (and any
software, power cords, manuals, computer bag and other equipment that was provided to Executive with any such computers), tablets, smartphones, and other devices. Executive acknowledges that he is not authorized to retain any physical, computerized,
electronic or other types of copies of any such physical, computerized, electronic or other types of records, documents, proposals, notes, lists, files or materials, and is not authorized to retain any property or equipment of the Company of any of
its Affiliates. Executive further agrees that Executive will immediately forward to the Company (and thereafter destroy any electronic copies thereof) any business information relating to the Company or any of its Affiliates that has been or is
inadvertently directed to Executive following the Separation Date. 
 10.    Arbitration.
Except as provided in Section 10(b) of the Proprietary Information Agreement, any non-time barred, legally actionable controversy or claim arising out of or relating to this Agreement, its
enforcement, arbitrability or interpretation, or because of an alleged breach, default, or misrepresentation in connection with any of its provisions, or any other non-time barred, legally actionable
controversy or claim arising out of or relating to Executive’s employment or association with the Company or termination of the same, including, without limiting the generality of the foregoing, any alleged violation of state or federal
statute, common law or constitution, shall be submitted to individual, final and binding arbitration, to be held in Santa Clara County, California, before a single arbitrator selected from the American Arbitration Association
(“AAA”) in accordance with AAA’s applicable rules and procedures. The parties will select the arbitrator by mutual agreement or, if the parties cannot agree, then by striking from a list of qualified arbitrators supplied by AAA
from their labor and employment law panel. Final resolution of any dispute through arbitration may include any remedy or relief that is provided for through any applicable state or federal statutes, or common law. Statutes of limitations shall be
the same as would be applicable were the action to be brought in court. The arbitrator selected pursuant to this Agreement may order such discovery as is necessary for a full and fair exploration of the issues and dispute, consistent with the
expedited nature of arbitration. At the conclusion of the arbitration, the arbitrator shall issue a written decision that sets forth the essential findings and conclusions upon which the arbitrator’s award or decision is based. Any award or
relief granted by the arbitrator under this Agreement shall be final and binding on the parties to this Agreement and may be enforced by any court of competent jurisdiction. The Company will pay those arbitration costs that are unique to
arbitration, including the arbitrator’s fee (recognizing that each side bears its own deposition, witness, expert and attorneys’ fees and other expenses to the same extent as if the matter were being heard in court). If, however, any party
prevails on a statutory claim, which affords the prevailing party attorneys’ fees and costs, then the arbitrator may award reasonable fees and costs to the prevailing party. The arbitrator may not award attorneys’ fees to a party that
would not otherwise be entitled to such an award under the applicable statute. The arbitrator shall resolve any dispute as to the reasonableness of any fee or cost. For purposes of clarity, this Section 10 shall control as to any conflict
between 

 
the provisions of this Section 10 and Section 10(a) of the Proprietary Information Agreement. The parties acknowledge and agree that, except as provided in
Section 10(b) of the Proprietary Information Agreement, they are hereby waiving any rights to trial by jury or a court in any action or proceeding brought by either of the parties against the other in connection with any matter
whatsoever arising out of or in any way connected with this Agreement or Executive’s employment.  

11.    Representations. Executive and the Company make the following representations, each of which is an
important consideration to the other party’s willingness to enter into this Agreement: 
 (a)    Executive
acknowledges that the Company is not entering into this Agreement because it believes that Executive has any cognizable legal claim against the Releasees. If Executive elects not to sign this Agreement, the fact that this Agreement was offered will
not be understood as an indication that the Releasees believed Executive was treated unlawfully in any respect; 

(b)    Executive understands and agrees that he has been advised to consult with an attorney of his choice concerning the
legal consequences of this Agreement. Executive hereby acknowledges that prior to signing this Agreement, he had the opportunity to consult with an attorney of his choosing regarding the effect of each and every provision of this Agreement; 

(c)    Executive and the Company, on behalf of himself and itself, acknowledge and agree that he and it knowingly and
voluntarily entered into this Agreement with complete understanding of all relevant facts, and that neither party was fraudulently induced nor coerced to enter into this Agreement; and 

(d)    The parties each represent and warrant to the other that they have the capacity and authority to enter into this
Agreement and be bound by its terms. 
 12.    Mutual
Non-Disparagement. Executive agrees that he will not, at any time, make, directly or indirectly, any oral or written public statements that are disparaging of the Company, its products or
services, and any of its present or former officers, directors or employees. The Company (limited to its officers and directors) agrees that it will not, at any time, make, directly or indirectly, any oral or written public statements that are
disparaging of Executive. The restrictions of this Section 12 shall not apply to truthful statements made in any legal proceedings or provided pursuant to any governmental investigations. 

13.    Miscellaneous. 

(a)    Successors. 
  

	 	•	 	 This Agreement is personal to Executive and shall not be assignable by Executive. 

 

	 	•	 	 This Agreement shall inure to the benefit of and be binding upon the Company and its respective successors and
assigns and any such successor or 

	 	 
assignee shall be deemed substituted for the Company under the terms of this Agreement for all purposes. As used herein, “successor” and “assignee” shall include any person,
firm, corporation or other business entity which at any time, whether by purchase, merger or otherwise, directly or indirectly acquires ownership of the Company or to which the Company assigns this Agreement by operation of law or otherwise.

 (b)    Waiver. Neither the failure nor any delay on the part of a party to
exercise any right, remedy, power or privilege under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy, power or privilege preclude any other or further exercise of the same or of any
right, remedy, power or privilege, nor shall any waiver of any right, remedy, power or privilege with respect to any occurrence be construed as a waiver of such right, remedy, power or privilege with respect to any other occurrence. No waiver shall
be binding unless in writing and signed by the party asserted to have granted such waiver. 

(c)    Modification. This Agreement may not be amended, modified or changed (in whole or in part),
except by a formal, definitive written agreement expressly referring to this Agreement, which agreement is executed by both of the parties hereto. 

(d)    Complete Agreement. This Agreement, together with the other agreements referred to herein,
constitutes and contains the entire agreement and final understanding concerning Executive’s relationship with the Company and its Affiliates and the other subject matters addressed herein and supersedes and replaces all prior negotiations and
all agreements proposed or otherwise, whether written or oral, concerning the subject matters hereof. Any representation, promise or agreement not specifically included in this Agreement or such other agreements shall not be binding upon or
enforceable against either party. The Executive is not relying on any representation of the Company or any of the Releasees except as expressly set forth in this Agreement or in such other agreements. This Agreement, together with such other
agreements, constitutes an integrated agreement. 
 (e)    Severability. In the event that any
portion of this Agreement or the application thereof, becomes or is declared by a court of competent jurisdiction to be illegal, void or unenforceable, the remainder of this Agreement will continue in full force and effect and the application of
such portion to other persons or circumstances will be interpreted so as reasonable to effect the intent of the parties hereto. 

(f)    Governing Law. This Agreement shall be deemed to have been executed and delivered within the
State of California, and, except for Section 10, which shall be governed by the Federal Arbitration Act (both substantively and procedurally), the rights and obligations of the parties hereunder shall be construed and enforced in accordance
with, and governed by, the laws of the State of California without regard to principles of conflict of laws. 

(g)    Cooperation in Drafting. Each party has cooperated in the drafting, negotiation and preparation
of this Agreement. Hence, in any construction to be made of this Agreement, the same shall not be construed against either party on the basis of that party being the drafter of such language. 

 (h)    Counterparts. This Agreement may be executed
in counterparts, and each counterpart, when executed, shall have the efficacy of a signed original. Photographic or PDF copies of such signed counterparts may be used in lieu of the originals for any purpose. 

(i)    Notices. All notices, requests, demands and other communications called for by this Agreement will be
in writing and will be deemed given (1) on the date of delivery if delivered personally, by facsimile or by electronic mail, (2) one (1) day after being sent by a well-established commercial overnight service, or (3) four (4) days
after being mailed by registered or certified mail, return receipt requested, prepaid and addressed to the parties or their successors at the following addresses, or at such other addresses as the parties may later designate in writing: 

If to the Company: 
 Sonim
Technologies, Inc. 
 6500 River Place Boulevard, Bldg. #7, S#250 

Austin, Texas 78730 
 Attn:
Chief Executive Officer 
 E-mail: p.liu@sonimtech.com 

with a copy (which shall not constitute notice) to: 

O’Melveny & Myers LLP 

Two Embarcadero Center, 28th Floor 

San Francisco, CA 94111 

Attention: Brophy Christensen; Noah Kornblith 

E-mail: bchristensen@omm.com; nkornblith@omm.com 

If to Executive: 
 at the last
residential address reflected on the Company’s records. 
 (j)    No Wrongdoing. This
Agreement constitutes a compromise and settlement of any and all potential disputed claims. No action taken by the Company hereto, either previously or in connection with this Agreement, shall be deemed or construed to be: (a) an admission of
the truth or falsity of any potential claims; or (b) an acknowledgment or admission by the Company of any fault or liability whatsoever to Executive or to any third party. 

(k)    Voluntary Execution of Agreement. This Agreement is executed voluntarily and without any duress
or undue influence on the part or behalf of the parties hereto, with the full intent of releasing all claims. The parties acknowledge that (a) they have read this Agreement; (b) they have had the opportunity to seek legal counsel of their
own choice; (c) they understand the terms and consequences of this Agreement and of the releases it contains; and (d) they are fully aware of the legal and binding effect of this Agreement. 

 (l)    Supplementary Documents. All parties agree
to cooperate fully and to execute any and all supplementary documents and to take all additional actions that may be necessary or appropriate to give full force to the basic terms and intent of this Agreement and which are not inconsistent with its
terms. 
 (m)    Headings; Construction. The section and paragraph headings and titles contained in
this Agreement are inserted for convenience only, and they neither form a part of this Agreement nor are they to be used in the construction or interpretation of this Agreement. Where the context requires, the singular shall include the plural, the
plural shall include the singular, and any gender shall include all other genders and the neutral. Where specific language is used to clarify by example a general statement contained herein, such specific language shall not be deemed to modify,
limit or restrict in any manner the construction of the general statement to which it relates. 

(n)    Taxes. Except for amounts withheld by the Company, Executive shall be solely responsible for
any taxes due as a result of any payments or benefits provided for in this Agreement. 
 [Remainder of Page Intentionally Left Blank]

 I have read the foregoing Release Agreement and I accept and agree to the provisions it
contains and hereby execute it voluntarily with full understanding of its consequences. 
 EXECUTED this 13th day of July, 2022 
  

	
	“Executive”
	
	 /s/ Robert Tirva

	Robert Tirva

 EXECUTED this 13th day of July, 2022 

 

			
	“Company”
	
	SONIM TECHNOLOGIES, INC.
	
	 /s/ Peter Liu

	By:	 	Peter Liu
	Its:	 	Chief Executive Officer

 EXHIBIT A 

[See attached] 

 SONIM TECHNOLOGIES, INC. 

EMPLOYMENT, CONFIDENTIAL INFORMATION AND 

INVENTION ASSIGNMENT AGREEMENT 

As a condition of my employment with SONIM TECHNOLOGIES, INC., its subsidiaries, affiliates, successors or assigns (together the
“Company”), and in consideration of my employment with the Company and my receipt of the compensation now and hereafter paid to me by Company, I agree to the following: 

1.    At-Will Employment. I understand and acknowledge that my
employment with the Company is for an unspecified duration and constitutes “at-will” employment. I acknowledge that this employment relationship may be terminated at any time, with or without good
cause or for any or no cause, at the option either of the Company or myself, with or without notice. I understand and acknowledge that in the event that my employment is terminated by me or by the Company for any reason that I will be entitled to no
continuation of salary, benefits, or stock or option vesting. 
 2.    Confidential Information. 

(a)    Company Information. I agree at all times during the term of my employment and thereafter, to hold in
strictest confidence, and not to use, except for the benefit of the Company, or to disclose to any person, firm or corporation without written authorization of the Board of Directors of the Company, any Confidential Information of the Company. I
understand that “Confidential Information” means any Company proprietary information, technical data, trade secrets or know-how, including, but not limited to, research, product plans, products,
services, customer lists and customers (including, but not limited to, customers of the Company on whom I called or with whom I became acquainted during the term of my employment), markets, software, developments, inventions, processes, formulas,
technology, designs, drawings, engineering, hardware configuration information, marketing, finances or other business information disclosed to me by the Company either directly or indirectly in writing, orally or by drawings or observation of parts
or equipment. I further understand that Confidential Information does not include any of the foregoing items which has become publicly known and made generally available through no wrongful act of mine or of others who were under confidentiality
obligations as to the item or items involved. 
 (b)    Former Employer Information. I agree that I will
not, during my employment with the Company, improperly use or disclose any proprietary information or trade secrets of any former or concurrent employer or other person or entity and that I will not bring onto the premises of the Company any
unpublished document or proprietary information belonging to any such employer, person or entity unless consented to in writing by such employer, person or entity. 

(c)    Third Party Information. I recognize that the Company has received and in the future will receive
from third parties their confidential or proprietary information subject to a duty on the Company’s part to maintain the confidentiality of such information and to use it only for 

 
certain limited purposes. I agree to hold all such confidential or proprietary information in the strictest confidence and not to disclose it to any person, firm or corporation or to use it
except as necessary in carrying out my work for the Company consistent with the Company’s agreement with such third party. 

3.    Inventions. 

(a)    Inventions Retained and Licensed. I have attached hereto, as Exhibit A, a list describing all
inventions, original works of authorship, developments, improvements, and trade secrets which were made by me prior to my employment with the Company (collectively referred to as “Prior Inventions”), which belong to me, which relate to the
Company’s proposed business, products or research and development, and which are not assigned to the Company hereunder; or, if no such list is attached, I represent that there are no such Prior Inventions. If in the course of my employment with
the Company, I incorporate into a Company product, process or machine a Prior Invention owned by me or in which I have an interest, the Company is hereby granted and shall have a nonexclusive, royalty-free, irrevocable, perpetual, worldwide license
to make, have made, modify, use and sell such Prior Invention as part of or in connection with such product, process or machine. 

(b)    Assignment of Inventions. I agree that I will promptly make full written disclosure to the Company,
will hold in trust for the sole right and benefit of the Company, and hereby assign to the Company, or its designee, all my right, title, and interest in and to any and all inventions, original works of authorship, developments, concepts,
improvements or trade secrets, whether or not patentable or registrable under copyright or similar laws, which I may solely or jointly conceive or develop or reduce to practice, or cause to be conceived or developed or reduced to practice, during
the period of time I am in the employ of the Company (collectively referred to as “Inventions”), except as provided in Section 3(f) below. I further acknowledge that all original works of authorship which are made by me (solely or
jointly with others) within the scope of and during the period of my employment with the Company and which are protectible by copyright are “works made for hire,” as that term is defined in the United States Copyright Act. 

(c)    Inventions Assigned to the United States. I agree to assign to the United States government all my
right, title, and interest in and to any and all Inventions whenever such full title is required to be in the United States by a contract between the Company and the United States or any of its agencies. 

(d)    Maintenance of Records. I agree to keep and maintain adequate and current written records of all
Inventions made by me (solely or jointly with others) during the term of my employment with the Company. The records will be in the form of notes, sketches, drawings, and any other format that may be specified by the Company. The records will be
available to and remain the sole property of the Company at all times. 
 (e)    Patent and Copyright
Registrations. I agree to assist the Company, or its designee, at the Company’s expense, in every proper way to secure the Company’s rights in the Inventions and any copyrights, patents, mask work rights or other intellectual
property rights relating thereto in any and all countries, including the disclosure to the Company of all pertinent information and data with respect thereto, the execution of all applications, specifications, oaths, assignments

  
 -2- 

 
and all other instruments which the Company shall deem necessary in order to apply for and obtain such rights and in order to assign and convey to the Company, its successors, assigns, and
nominees the sole and exclusive rights, title and interest in and to such Inventions, and any copyrights, patents, mask work rights or other intellectual property rights relating thereto. I further agree that my obligation to execute or cause to be
executed, when it is in my power to do so, any such instrument or papers shall continue after the termination of this Agreement. If the Company is unable because of my mental or physical incapacity or for any other reason to secure my signature to
apply for or to pursue any application for any United States or foreign patents or copyright registrations covering Inventions or original works of authorship assigned to the Company as above, then I hereby irrevocably designate and appoint the
Company and its duly authorized officers and agents as my agent and attorney in fact, to act for and in my behalf and stead to execute and file any such applications and to do all other lawfully permitted acts to further the prosecution and issuance
of letters patent or copyright registrations thereon with the same legal force and effect as if executed by me. 

(f)    Exception to Assignments. I understand that the provisions of this Agreement requiring assignment of
Inventions to the Company do not apply to any invention which qualifies fully under the provisions of California Labor Code Section 2870 (attached hereto as Exhibit B). I will advise the Company promptly in writing of any inventions that
I believe meet the criteria in California Labor Code Section 2870 and not otherwise disclosed on Exhibit A. 

4.    Conflicting Employment. 

(a)    I agree that, during the term of my employment with the Company, I will not engage in any other employment,
occupation, consulting or other business activity directly related to the business in which the Company is now involved or becomes involved during the term of my employment, nor will I engage in any other activities that conflict with my obligations
to the Company. 
 (b)    I agree that, during the term of my employment with the Company, I will not accept or perform
any outside consulting work without first reporting the nature of and proposed time commitment to any such proposed outside consulting work. 

5.    Returning Company Documents. I agree that, at the time of leaving the employ of the Company, I will
deliver to the Company (and will not keep in my possession, recreate or deliver to anyone else) any and all devices, records, data, notes, reports, proposals, lists, correspondence, specifications, drawings blueprints, sketches, materials,
equipment, other documents or property, or reproductions of any aforementioned items developed by me pursuant to my employment with the Company or otherwise belonging to the Company, its successors or assigns. In the event of the termination of my
employment, I agree to sign and deliver the “Termination Certification” attached hereto as Exhibit C. 

6.     Notification of New Employer. In the event that I leave the employ of the Company, I hereby grant
consent to notification by the Company to my new employer about my rights and obligations under this Agreement. 

  
 -3- 

 7.    Solicitation of Employees and Business. I agree that
for a period of twelve (12) months immediately following the termination of my relationship with the Company for any reason, whether with or without cause, I shall not either directly or indirectly solicit, induce, recruit or encourage any of
the Company’s employees to leave their employment, or take away such employees, or attempt to solicit, induce, recruit, encourage or take away employees of the Company, either for myself or for any other person or entity. 

8.    Conflict of Interest Guidelines. I agree to diligently adhere to the Conflict of Interest Guidelines
attached as Exhibit D hereto. 
 9.    Representations. I agree to execute any proper oath or
verify any proper document required to carry out the terms of this Agreement. I represent that my performance of all the terms of this Agreement will not breach any agreement to keep in confidence proprietary information acquired by me in confidence
or in trust prior to my employment by the Company. I have not entered into, and I agree I will not enter into, any oral or written agreement in conflict herewith. 

10.    Arbitration and Equitable Relief. 

(a)    Arbitration. Except as provided in Section 10(b) below, I agree that any dispute or controversy
arising out of or relating to any interpretation, construction, performance or breach of this Agreement, shall be settled by arbitration to be held in Santa Clara County, California, in accordance with the rules then in effect of the American
Arbitration Association. The arbitrator may grant injunctions or other relief in such dispute or controversy. The decision of the arbitrator shall be final, conclusive and binding on the parties to the arbitration. Judgment may be entered on the
arbitrator’s decision in any court having jurisdiction. The Company and I shall each pay one-half of the costs and expenses of such arbitration, and each of us shall separately pay our counsel fees and
expenses. 
 (b)    Equitable Remedies. I agree that it would be impossible or inadequate to measure and
calculate the Company’s damages from any breach of the covenants set forth in Sections 2, 3, and 5 herein. Accordingly, I agree that if I breach any of such Sections, the Company will have available, in addition to any other right or remedy
available, the right to obtain an injunction from a court of competent jurisdiction restraining such breach or threatened breach and to specific performance of any such provision of this Agreement. I further agree that no bond or other security
shall be required in obtaining such equitable relief and I hereby consent to the issuance of such injunction and to the ordering of specific performance. 

(c)    Assignment. This Agreement may not be assigned by any party hereto, except that the Company may
assign this Agreement in connection with (1) a merger or consolidation of the Company, (2) a sale or assignment of substantially all its assets, or (3) any other transaction which results in another entity or person owning
substantially all of the assets of the Company; provided that the entity or person receiving or succeeding to the assets of the Company assumes the Company’s obligations. 

  
 -4- 

 11.    General Provisions. 

(a)    Governing Law; Consent to Personal Jurisdiction. This Agreement will be governed by the laws of the
State of California. I hereby expressly consent to the personal jurisdiction of the state and federal courts located in California for any lawsuit filed there against me by the Company arising from or relating to this Agreement. 

(b)    Entire Agreement. This Agreement sets forth the entire agreement and understanding between the
Company and me relating to the subject matter herein and supersedes any prior agreements or arrangements between the Company and me with respect to the subject matter hereof. No modification of or amendment to this Agreement, nor any waiver of any
rights under this agreement, will be effective unless in writing signed by the party to be charged. Any subsequent change or changes in my duties, salary or compensation will not affect the validity or scope of this Agreement. 

(c)    Severability. If one or more of the provisions in this Agreement are deemed void by law, then the
remaining provisions will continue in full force and effect. 
 [This Space Intentionally Left Blank] 

  
 -5- 

 (d)    Successors and Assigns. This Agreement will be
binding upon my heirs, executors, administrators and other legal representatives and will be for the benefit of the Company, its successors, and its assigns. 
  

							
	Date:	 	      
	 		 	
			
		 		 	      

		 	            	 	Signature
			
		 		 	      

		 		 	Name of Employee
			
	      
	 		 	
	Witness	 		 	

  
 -6-EX-10.4

 Exhibit 10.4 
  

 
 July 13, 2022 
 Clay Crolius

 Via: Email Delivery 

Re:    Employment Terms 
 Dear Clay,

 SONIM TECHNOLOGIES, INC. (the “Company”) is pleased to offer
you employment beginning immediately following and contingent upon the closing of a certain subscription agreement, dated as of April 13, 2022, by and between the Company and AJP Holding Company, LLC, a Delaware limited liability company (the
“Start Date”). 
 Position 

Your initial position will be Chief Financial Officer, responsible for performing such duties as are assigned to you from time to time, reporting to Peter Liu,
Chief Executive Officer. You will work remote from your home office. Of course, the Company may change your position, duties, and work location from time to time in its discretion. 

Compensation and Benefits 
 Your initial base salary will
be paid at the rate of $275,000 per year, less payroll deductions and withholdings, paid on the Company’s normal payroll schedule. 
 Performance
Bonus 
 You will also be eligible to earn an annual discretionary bonus which will typically be up to 30% of your annual base salary and prorated for
the first year of service from your date of hire. The amount of this bonus will be determined in the sole discretion of the Company and based, in part, on your performance and the performance of the Company during the calendar year, as well as any
other criteria the Company deems relevant. The Company will pay you this bonus, if any, no later than March 15th of the following calendar year. The bonus is not earned until paid and no pro-rated amount will
be paid if your employment terminates for any reason prior to the payment date. 
 During your employment, you will be eligible to participate in the
benefits plans offered to similarly situated employees by the Company from time to time, subject to plan terms and generally applicable Company policies. Currently, exempt employees do not accrue vacation. Supervisors will approve paid vacation
requests based on the employee’s progress on work goals or milestones, status of projects, fairness to the working team, and productivity and efficiency of the employee. Since vacation is not allotted or accrued, there is no “unused”
vacation time to be carried over from one year to the next nor paid out upon termination. A full description of current benefits is available for your review. The Company may change compensation and benefits from time to time in its discretion. 

  
 6500 River Place Blvd / Bldg. 7,
Suite 250 / Austin, TX / 78730 / Tel: 1.650.378.8100 / www.sonimtech.com 

 

 
  

 Confidential Information and Company Policies 

As a Company employee, you will be expected to abide by Company rules and policies. As a condition of employment, you must sign and comply with the attached
Employee Confidential Information and Inventions Assignment Agreement which prohibits unauthorized use or disclosure of the Company’s proprietary information, among other obligations. 

By signing this letter, you are representing that you have full authority to accept this position and perform the duties of the position without conflict with
any other obligations and that you are not involved in any situation that might create, or appear to create, a conflict of interest with respect to your loyalty or duties to the Company. You specifically warrant that you are not subject to an
employment agreement or restrictive covenant preventing full performance of your duties to the Company. You agree not to bring to the Company or use in the performance of your responsibilities at the Company any materials or documents of a former
employer that are not generally available to the public, unless you have obtained express written authorization from the former employer for their possession and use. You also agree to honor all obligations to former employers during your employment
with the Company. 
 At-Will Employment and Exempt Status 

Your employment with the Company will be “at-will.” You may terminate your employment with the Company at any
time and for any reason whatsoever simply by notifying the Company. Likewise, the Company may terminate your employment at any time, with or without cause or advance notice. Your employment at-will status can
only be modified in a written agreement signed by you and by an officer of the Company. 
 As an exempt salaried employee, you will be expected to work the
Company’s normal business hours as well as additional hours as required by the nature of your work assignments, and you will not be eligible for overtime compensation. 

Conditions, Dispute Resolution, and Complete Agreement 

This offer is contingent upon a satisfactory reference check and satisfactory proof of your right to work in the United States. If the Company informs you that
you are required to complete a background check or drug test, this offer is contingent upon satisfactory clearance of such background check and/or drug test. You agree to assist as needed and to complete any documentation at the Company’s
request to meet these conditions. 
 To ensure the rapid and economical resolution of disputes that may arise in connection with your employment with the
Company, you and the Company agree that any and all disputes, claims, or causes of action, in law or equity, including but not limited to statutory claims, arising from or relating to the enforcement, breach, performance, or interpretation of this
Agreement, your employment with the Company, or the termination of your employment, shall be resolved pursuant to the Federal Arbitration Act, 9 U.S.C. § 1-16, to the fullest extent permitted by law, by
final, binding and confidential arbitration conducted by JAMS or its successor (“JAMS”), under JAMS’ then applicable rules and procedures for employment disputes before a single arbitrator (available upon request and
also currently available at http://www.jamsadr.com/rules-employment-arbitration/). You acknowledge that by agreeing to this arbitration procedure, both you and the Company waive the right to resolve any such dispute

  
 6500 River Place Blvd / Bldg. 7,
Suite 250 / Austin, TX / 78730 / Tel: 1.650.378.8100 / www.sonimtech.com 

 

 
  

 
through a trial by jury or judge or administrative proceeding. In addition, all claims, disputes, or causes of action under this section, whether by you or the Company, must be brought in
an individual capacity, and shall not be brought as a plaintiff (or claimant) or class member in any purported class or representative proceeding, nor joined or consolidated with the claims of any other person or entity. The arbitrator may not
consolidate the claims of more than one person or entity, and may not preside over any form of representative or class proceeding. To the extent that the preceding sentences regarding class claims or proceedings are found to violate applicable law
or are otherwise found unenforceable, any claim(s) alleged or brought on behalf of a class shall proceed in a court of law rather than by arbitration. This paragraph shall not apply to any action or claim that cannot be subject to mandatory
arbitration as a matter of law, including, without limitation, claims brought pursuant to the California Private Attorneys General Act of 2004, as amended, to the extent such claims are not permitted by applicable law to be submitted to mandatory
arbitration (collectively, the “Excluded Claims”). In the event you intend to bring multiple claims, including one of the Excluded Claims listed above, the Excluded Claims may be publicly filed with a court, while any other
claims will remain subject to mandatory arbitration. You will have the right to be represented by legal counsel at any arbitration proceeding. Questions of whether a claim is subject to arbitration under this agreement shall be decided by the
arbitrator. Likewise, procedural questions which grow out of the dispute and bear on the final disposition are also matters for the arbitrator. The arbitrator shall: (a) have the authority to compel adequate discovery for the resolution of the
dispute and to award such relief as would otherwise be permitted by law; and (b) issue a written statement signed by the arbitrator regarding the disposition of each claim and the relief, if any, awarded as to each claim, the reasons for the
award, and the arbitrator’s essential findings and conclusions on which the award is based. The arbitrator shall be authorized to award all relief that you or the Company would be entitled to seek in a court of law. The Company shall pay all
JAMS arbitration fees in excess of the administrative fees that you would be required to pay if the dispute were decided in a court of law. Nothing in this letter agreement is intended to prevent either you or the Company from obtaining injunctive
relief in court to prevent irreparable harm pending the conclusion of any such arbitration. Any awards or orders in such arbitrations may be entered and enforced as judgments in the federal and state courts of any competent jurisdiction. 

This letter, together with your Employee Confidential Information and Inventions Assignment Agreement, forms the complete and exclusive statement of your
employment agreement with the Company. It supersedes any other agreements or promises made to you by anyone, whether oral or written. Changes in your employment terms, other than those changes expressly reserved to the Company’s discretion in
this letter, require a written modification signed by an officer of the Company. If any provision of this offer letter agreement is determined to be invalid or unenforceable, in whole or in part, this determination shall not affect any other
provision of this offer letter agreement and the provision in question shall be modified so as to be rendered enforceable in a manner consistent with the intent of the parties insofar as possible under applicable law. This letter may be delivered
and executed via facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act or other applicable law) or other transmission method and shall be deemed
to have been duly and validly delivered and executed and be valid and effective for all purposes. 

*        *        * 

  
 6500 River Place Blvd / Bldg. 7,
Suite 250 / Austin, TX / 78730 / Tel: 1.650.378.8100 / www.sonimtech.com 

 

 
  

 Please sign and date this letter, and the enclosed Employee Confidential Information and Inventions
Assignment Agreement and return them to me by July 13, 2022 if you wish to accept employment at the Company under the terms described above. 
 We look
forward to your favorable reply and to a productive and enjoyable work relationship. 
 Sincerely, 

 

							
	 /s/ Peter Liu
	 		 		 	
	Peter Liu, Chief Executive Officer	 		 		 	
				
	Understood and Accepted:	 		 		 	
				
	 /s/ Clay Crolius
	 		 		 	  

	Clay Crolius	 		 		 	
	  
	 		 		 	

 Attachment: Employee Confidential Information and Inventions Assignment Agreement 

  
 6500 River Place Blvd / Bldg. 7,
Suite 250 / Austin, TX / 78730 / Tel: 1.650.378.8100 / www.sonimtech.com

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