Company: SONM
Filing Date: 2025-12-05
Form Type: DEFM14A
Source: 0001493152-25-026277
Chunk: 0

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-12-05
Form: DEFM14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934</div>

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

| ☐ | Preliminary Proxy Statement                                                     |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☒ | Definitive Proxy Statement                                                      |
| ☐ | Definitive Additional Materials                                                 |
| ☐ | Soliciting Material under §240.14a-12                                           |

<div align='center'>Sonim Technologies, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check all boxes that apply):

| ☐ | No            
 fee required. |

| ☒ | Fee                                         
 paid previously with preliminary materials. |

| ☐ | Fee                                                                                        
 computed on table in Exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 
 0-11.                                                                                      |

<div align='center'>Sonim Technologies, Inc.

4445 Eastgate Mall, Suite 200

San Diego, CA 92121</div>

Dear Stockholders of Sonim Technologies:

You are cordially invited to attend a special
meeting (including any adjournments or postponements thereof, the “Special Meeting”) of stockholders of Sonim Technologies,
Inc., a Delaware corporation (“Sonim,” the “Company,” or “we”). To provide the opportunity for participation
by a broader group of stockholders and provide a consistent and convenient experience to all stockholders regardless of location, the
Special Meeting will be held in a virtual-only meeting format. Stockholders will not be able to physically attend the Special Meeting.
For purposes of attendance at the Special Meeting, all references in the attached proxy statement to “present” or “in
person” shall mean virtually present at the Special Meeting.

As previously announced, on July 17, 2025, the Company,
Pace Car Acquisition LLC, (the “Buyer”), the seller representative named in the asset purchase agreement (the “Seller
Representative”), and Social Mobile Technology Holdings LLC (the