Document:

Exhibit 4.25

 

Mizrahi Tefahot

 

Date: July 23rd 2012

 

Att:
AudioCodes Ltd (hereinafter: “the company”)

 

Dear Sir or Madam,

 

Re: Letter of Undertaking dated December 12th
2011

 

Whereas on December 12th 2011 you signed on a letter
of undertaking for us (hereinafter: “the letter of undertaking”);

 

And whereas in Section 3.3 of the letter of undertaking it was
determined that the operating profit (as defined in that section) accrued for the last 4 quarters shall not be less than a total
of $3 million (hereinafter: “the aforementioned financial index “, “the abovementioned cause”);

 

At your request we confirm that we are suspending the exercise
of our right to of immediate repayment of your debts and undertakings to us due to the aforementioned cause and this until publication
of the reports of December 31st 2013 (hereinafter: “the suspension period”); on condition of compliance
with all the following conditions:

 

    	 

    	 

    

 

		1.	The operating loss (Non GAAP) of the company for 2012 shall not exceed $6 million.

 

		2.	The company shall have operating profit (Non GAAP) in the first quarter of 2013.

 

		3.	You shall pay the bank a one-time payment of $15,000 and your account shall be debited with this sum.

 

		4.	The interest on the existing loans shall be increased from today and until full defrayal by 0.75% (annual).

 

This confirmation is limited to the aforementioned cause only
and for the aforementioned period only and it shall not derogate from our right to consign your debts and undertakings for immediate
defrayal, including during the suspension period, for any other cause.

 

To avoid all doubt it is clarified that our consent should not
be seen as an amendment of the letter of undertaking and that all the terms of the letter of undertaking remain fully in force.
It shall also be clarified that this consent shall not derogate from our rights to you pursuant to any document or pursuant to
law.

 

This letter is subject to your compliance with your undertakings
to maintain any financial indices vis-à-vis any entity that you have made undertakings to or alternatively that you have
received a letter of waiver in the event that you are not complying with those same financial covenants or part of them.

 

    	2

    	 

    

 

That stated in this letter is conditional on your consent in
the margins of this letter.

 

Yours sincerely,

 

Bank Mizrahi Tefahot Ltd

Business Division - Corporations Sector

	(signature)	(signature)
	Alon Egozi	Danny Maor
	Corporations Sector Manager	Hi-tech Department Manager
	 	Commerce and Services

 

We agree to the aforementioned

(signature)

Audiocodes Ltd

 

    	3Exhibit 4.26

 

Request for receipt of
credit in foreign currency

 

	No. of type	Name of type
	 	 
	9035/9	Loan, in foreign currency at variable interest - dollar only

 

	Customer details	Credit Account (customer number)	Customer name
	 	###-######/##	AudioCodes Ltd

 

	Account details	Type of account	Account for provision	Branch	Bank	Currency of account
	 	095	######/##	978	10	0001/8 US dollars
	 	Type of account	Account for provision	Branch	Bank	Currency of account for defrayal
	 	095	######/##	978	10	0001/8 US dollars
	 	Type of account	Account for provision	Branch	Bank	Currency of account for commissions
	 	095	######/##	978	10	0001/8 US dollars
	Credit details	Sum of credit	 	 	 
	 	6,000,000.00	Six million only**********************
	 	Currency of credit	 	 	 
	 	0001/8 US dollar	 	 	 
	 	Term of credit	 	Date of provision of credit	Designation of credit
	 	60 months from the date of provision of the credit	September 28th 2011	 

 

	Credit details	Variable credit	Interest margin	Accrued period	Term of interest for definition of Libor
	 	3.1250% per annum	2.7500% per annum above “Libor” basis	### months	3 months
	 	Frequency of payment	 	 	 
	 	03 - quarterly on the 28th of each of the months December, March, June, September
	 	Date of first payment	Date of last payment	 
	 	December 28th 2011	September 28th 2016	 
	Defrayal of capital	Number of inclusive payments	Frequency of payments	 
	 	20	03 - quarterly	 
	 	On the 28th of the months December, March, June, September
	 	Total of each payment
	 	From the 1st payment and until payment of the 20th  300,000.00 US dollars
	 	 	 	 	 	 	 

 

    	 

    	 

    

 

	 	Three hundred thousand dollars only ****************** each payment
	 	 
	 	Date of first payment	Date of last payment	 
	 	December 28th 2011	September 28th 2016	 
	Additional charges	Collection fees for periodic repayment	Commissions from securities	Other charges
	 	NIS 105.40	NIS 0.00	NIS 0.00
	 	Handling fees for credit: 3100.00 US dollars
	Special details	Symbol for exchange rate	Percentage of benefit/irregular exchange rate	Symbol for exchange rate commission	Percentage of benefit from exchange rate commission
	 	0 - today/continual benefits	0.000000	0 - regular/ continual benefits	00
	 	Percentage of benefit for commission	Method of defrayal of the loan	Symbol of credit of account	Symbol for commission for loan
	 	Provision 0.00	1- regular defrayal from reported defrayal account	1 - current account	0 - regular
	 	 	 	 	 	 	 

***Irrelevant for the abovementioned type of credit

 

We agree that all the conditions noted in the second page hereinafter
apply to this request, and our signature constitutes confirmation of our consent to the abovementioned conditions and to the detailed
noted above.

 

	Signature of customer:  	Audiocodes Ltd
	 	(signature)   (signature)
	 	Private Co. 520044132

 

For internal use

 

	Renewal symbol: 2 non-renewable loan	 
	 	 
	Symbol of defrayal interest: 0 - regular interest	Symbol of average term: 0 - none
	 	 
	Exporter No:	Export document No.
	 	 
	Approving entity:	Approval No.
	 	 
	Affiliated account:	Symbol of affiliated account
	 	 
	Sum of reprocessed capital:	 

 

    	2

    	 

    

 

Exhibit 4.26

 

Request for receipt of
credit in foreign currency

 

	No. of type	Name of type
	 	 
	9035/9	Loan, in foreign currency at variable interest - dollar only

 

	Customer details	Credit Account (customer number)	Customer name
	 	###-######/##	AudioCodes Ltd

 

	Account details	Type of account	Account for provision	Branch	Bank	Currency of account
	 	095	######/##	978	10	0001/8 US dollars
	 	Type of account	Account for provision	Branch	Bank	Currency of account for defrayal
	 	095	######/##	978	10	0001/8 US dollars
	 	Type of account	Account for provision	Branch	Bank	Currency of account for commissions
	 	095	######/##	978	10	0001/8 US dollars
	Credit details	Sum of credit	 	 	 
	 	6,000,000.00	Six million only**********************
	 	Currency of credit	 	 	 
	 	0001/8 US dollar	 	 	 
	 	Term of credit	 	Date of provision of credit	Designation of credit
	 	60 months from the date of provision of the credit	September 28th 2011	 

 

	Credit details	Variable credit	Interest margin	Accrued period	Term of interest for definition of Libor
	 	3.7750% per annum	3.4000% per annum above “Libor” basis	### months	3 months
	 	Frequency of payment	 	 	 
	 	03 - quarterly on the 28th of each of the months December, March, June, September
	 	Date of first payment	Date of last payment	 
	 	December 28th 2011	September 28th 2016	 
	Defrayal of capital	Number of inclusive payments	Frequency of payments	 
	 	20	03 - quarterly	 
	 	On the 28th of the months December, March, June, September
	 	Total of each payment
	 	From the 1st payment and until payment of the 20th  300,000.00 US dollars
	 	 	 	 	 	 	 

 

    	 

    	 

    

 

	 	Three hundred thousand dollars only ****************** each payment
	 	 
	 	Date of first payment	Date of last payment	 
	 	December 28th 2011	September 28th 2016	 
	Additional charges	Collection fees for periodic repayment	Commissions from securities	Other charges
	 	NIS 105.40	NIS 0.00	NIS 0.00
	 	Handling fees for credit: 3100.00 US dollars
	Special details	Symbol for exchange rate	Percentage of benefit/irregular exchange rate	Symbol for exchange rate commission	Percentage of benefit from exchange rate commission
	 	0 - today/continual benefits	0.000000	0 - regular/ continual benefits	00
	 	Percentage of benefit for commission	Method of defrayal of the loan	Symbol of credit of account	Symbol for commission for loan
	 	Provision 0.00	1- regular defrayal from reported defrayal account	1 - current account	0 - regular
	 	 	 	 	 	 	 

***Irrelevant for the abovementioned type of credit

 

We agree that all the conditions noted in the second page hereinafter
apply to this request, and our signature constitutes confirmation of our consent to the abovementioned conditions and to the detailed
noted above.

 

	Signature of customer:  	Audiocodes Ltd
	 	(signature)   (signature)
	 	Private Co. 520044132

 

For internal use

 

	Renewal symbol: 2 non-renewable loan	 
	 	 
	Symbol of defrayal interest: 0 - regular interest	Symbol of average term: 0 - none
	 	 
	Exporter No:	Export document No.
	 	 
	Approving entity:	Approval No.
	 	 
	Affiliated account:	Symbol of affiliated account
	 	 
	Sum of reprocessed capital:	 

 

    	2Exhibit 4.27

 

Date: December 12th 2011

Att:

Bank Leumi Le’Israel Ltd

 

Dear Sir or Madam,

 

		Whereas	Mr Shabtai Adlersberg holds shares of the undersigned, Audiocodes Ltd (“the company”) and is a stakeholder
in the company, as detailed in his report to the Securities Authority in the United States in February 2008, attached as an integral
part of this document and as the term “stakeholder” is defined in the Securities Law 5728-1968 (hereinafter: “the
stakeholder”);

 

		And whereas	as one of the conditions of provision of credit, banking
services and receipt of various undertakings and guarantees from the company, you have requested that the company and the stakeholder
shall sign for you on this document and on the undertakings detailed hereinafter, and the company and the stakeholder have agreed
to this:

 

Therefore we hereby declare and undertake
as follows:

 

		1.	Financial criteria

 

We agree that the provision
of credit and banking services to our company and/or with our guarantee and their continued administration shall be dependent on
our company providing at any time all the following financial criteria:

 

    	 

    	 

    

 

Financial leverage (the
capital structure):

 

		1.1.	The sum of the tangible equity capital of the company shall not be less at any time than a total of 40 million US dollars;

 

		1.2.	The sum of the tangible equity capital of the company shall not be less at any time than 25% of the company’s
total balance sheet;

 

		1.3.	The rest of the company’s undertakings (short term and long term) vis-à-vis banks and other financial institutions,
as they appear in the financial reports, shall not exceed at any time a total of 33 million US dollars;

 

Balance sheet structure

 

		1.4.	The balance of cash in the company shall not be less at any time than a total of 20 million US dollars;

 

		1.5.	The balance of cash and investments of the company shall not be less at any time than a total of 30 million US dollars;

 

		1.6.	The balance of cash, investments and customers of the company shall not be less at any time than a total of 50 million US dollars;

 

    	 

    	 

    

 

Profitability

 

		1.7.	The operating profit of the company accrued for 4 quarters shall not be less at any time than a total equal to 3 million
US dollars.

 

To avoid doubt it is hereby
clarified that within the framework of the calculation of the operating profit expenses for deduction of intangible assets and/or
expenses up to a total of 3 million US dollars for accounting records of a value of the benefit entailed in awarding options to
employees pursuant to FAS123 shall not be taken into account.

 

In this section the following
terms shall have the following meanings:

 

“Financial reports”
means - the company’s consolidated annual and quarterly reports published by it pursuant to the customary rules of accounting
(US GAAP), including inter alia balance sheet report, profit and loss report, cash flow report, report on changes to equity
capital and every other report or annotation that shall be required pursuant to accounting standards rules and/or by any of the
authorized authorities.

 

“Investments”
means - as defined and their value in the financial reports, including long term deposits up to two years, negotiable bonds ranked
A and above for a period of up to three years.

 

“Customers”, “total
balance sheet”, “the operating profit” means - as defined and their value in the financial reports.

 

    	 

    	 

    

 

“Cash” means
- as defined and their value in the financial reports, including cash, cash equivalent and short term deposits for a period of
up to one year.

 

“Tangible equity capital”
means - equity capital as presented in the financial reports, including redeemed share capital, undivided surplus, funds, plus
the balance of the sums of owners loans capital for collection which were signed vis-à-vis the bank by the company and the
shareholders, writs of subordination less deferred expenses, intangible assets such as: goodwill, patents, trademarks, trade names,
copyrights and so forth less obligants to the company who are stakeholders and/or subsidiaries and/or affiliated companies of the
company (as these aforementioned terms are defined in the Securities Law 5728-1968) and less guarantees given by the company to
guarantee the debts of the stakeholders and/or subsidiaries and/or affiliated companies of the company.

 

As regards financial reports prepared
pursuant to IFRS the definition of the equity capital shall change according to that detailed hereinafter:

 

		a.	Minority rights appearing within the framework of the equity capital (as regards consolidated reports) shall not be included.

 

		b.	The equity capital shall also include the warrants whereby the supplement for their realizations is linked (shall appear within
the framework of the liabilities).

 

    	 

    	 

    

 

		c.	The equity capital will also include the conversion component for bonds to be converted whereby the price of their realization
is linked (in the event that they shall appear separately within the framework of the liabilities in the balance sheet).

 

		d.	No re-evaluation fund shall be included for fixed assets which was created following implementation of the re-evaluation model
during the period after consolidation of the financial stipulations.

 

In regards to the financial reports
prepared according to US GAAP standards, the definition of the equity capital (for consolidated reports) shall not include the
minority rights appearing within the framework of the equity capital.

 

The financial criteria determined
in Sections 1.1-1.7 above (hereinafter: “the financial criteria”) are based on accounting standards, accounting
rules, estimates and accounting policies (hereinafter: “accounting administration”) as they shall be implemented
in the company’s last financial reports according to the US GAAP standards, as of the date of this document (hereinafter:
“the last reports”), and the company declares that as of the date of signature on this document it is complying
with the criteria.

 

An accounting administration different
from the one on which the last financial reports are based pursuant to the US GAAP standards including, but not only, due to implementation
of International Financial Reporting Standards (“IFRS”), new / other/ any accounting standards whatsoever in Israel
or overseas, amendment of estimates and/or changes to accounting policies (all the aforementioned shall be called hereinafter,
jointly and severally: “new accounting administration”) could cause changes that shall have ramifications on
the criteria.

 

    	 

    	 

    

 

Therefore the company agrees as
follows:

 

At any time that it shall become
clear to the bank, at its absolute discretion, that changes have been caused and/or shall shortly be caused to the company’s
financial reports, due to a new accounting administration, it shall be permitted, after consulting with the company however without
requiring their consent, to inform the company which changes are required by it to the financial criteria (hereinafter: “the
amended criteria”), in order to correlate them with the aforementioned changes, and this with the intent to correlate
them to the original economic purpose according to which the criteria were determined.

 

If the bank has informed the company
as to the amended criteria - they shall obligate the company starting from the date of transfer of the bank’s notice and
this document shall be considered to include, starting from the date of the bank’s notice, the amended criteria.

 

		2.	Undertaking not to change stakeholder’s holdings

 

We undertake that there shall
be no change to the percentage of the stakeholder’s holding in the capital, shares and voting rights in the company as compared
to the status on the date of signature on this document, as such that decreases his holdings to less than the percentage of the
holdings required pursuant to the Securities Law 5728-1968, for the purpose of definition of a “stakeholder”, without
the consent of the bank in writing and in advance.

 

    	 

    	 

    

 

		3.	Undertaking not to execute a merger

 

We undertake not to execute,
not to undertake to execute and not to take any actions whatsoever for execution of a merger or division with another/other corporation/s,
without receiving the consent of the bank in writing and in advance. For this purpose we undertake to transfer to the bank immediately
any information and document, required by the bank, at its discretion, for the purpose of determining its position as regards the
merger.

 

The company’s undertakings
as aforementioned in this section are imposed as regards a merger pursuant to the eighth part or pursuant to ninth part of the
Companies Law, 5759-1999 and as regards any action the result of which shall be acquisition of the majority of the company’s
assets by an individual or another corporation or any action that as a result of which company shares are purchased which award
the buyer control of the company or any action as the result of which the company acquires, directly or indirectly, the majority
of the assets of another corporation or shares of another corporation which award it control of that same corporation.

 

    	 

    	 

    

 

		4.	Undertakings for non-execution of purchases and/or investments

 

We undertake not to execute,
not to undertake to execute and not to take any actions whatsoever to execute purchases and/or investments in any shape or form
whatsoever of and/or corporations and/or assets and/or by any other method, whether directly or indirectly, for as long as the
accumulated sum of the purchases and/or the investments as aforementioned during a period of 12 consecutive months exceeds a total
of 10 million US dollars, without receiving the consent of the bank in writing and in advance.

 

		5.	Undertaking for non-execution of dispositions for the company assets

 

We hereby undertake that
we shall not sell and/or transfer and/or deliver and/or lease and/or rent (hereinafter jointly: “the transfer”)
any assets whatsoever (including monies), in any shape or form, as they are at present and as they shall be in the future, in entirety
or in part, from our ownership and/or our possession during an entire consecutive period of 12 months, inasmuch as the value of
the assets as aforementioned shall exceed 1 million US dollars, other than during the normal course of business and for full consideration
to third parties (including if any of them are our shareholders directly or indirectly) without the consent of the bank in writing
and in advance.

 

		6.	Undertaking for liens at an equivalent degree and for non-provision of guarantees

 

We hereby declare and undertake
as follows:

 

		6.1.	Apart from that detailed in the Registrar of Companies as of the date of signature on this document, we have not created and
have not undertaken to create any pledge and/or lien of any type whatsoever on any asset whatsoever of our assets and/or part of
them, as they are at present and as they shall be in the future, in favour of any third party whatsoever.

 

    	 

    	 

    

 

		6.2.	Without derogating from the aforementioned in Section 6.1 above, we shall be permitted to create a current lien in favour of
other banks as well as a first degree fixed lien on deposits of monies that shall be deposited from time to time in those same
banks on condition of compliance with all the following terms:

 

		6.2.1.	Prior to creation of the abovementioned liens an interbank agreement shall be signed in wording to your satisfaction in regard
to division of the remuneration from realizations of the liens;

 

		6.2.2.	In the event that to guarantee our debts vis-à-vis any other bank whereby between it and yourselves an interbank agreement
shall be signed as abovementioned in Section 6.2.1, we shall provide any security, create and register the security as abovementioned
also in your favour.

 

		6.3.	If no guarantee and/or undertaking to provide a guarantee whatsoever shall be provided by us as aforementioned in favour of
any third party whatsoever, apart from guarantees during the normal course of business and/or bank guarantees (against which we
did not provide guarantees other than during the normal course of business and/or any other securities whatsoever).

 

    	 

    	 

    

 

		7.	Undertaking to present financial reports

 

We undertake to present to
you the following reports:

 

		7.1.	The company’s and the company’s consolidated financial reports no later than June 30th of each year,
including inter alia, balance sheet, profit and loss report, cash flow and any other report that shall be required by the
authorized authorities (hereinafter: “the financial reports”) annually, audited by an external CPA and relating
to December 31st of the previous year.

 

		7.2.	The company’s consolidated quarterly financial reports up to no later than 75 days from the end of each quarter as they
shall be reported to the Stock Exchange and relating to the end of the proximate quarter.

 

		7.3.	Reports signed and approved by the company’s VP Finance up to no later than 30 days from the end of each quarter, as
regards inventory, receivables, company liabilities to the banking system, and the company creditors. The abovementioned reports
shall also include inter alia the following particulars:

 

		7.3.1.	Inventory report - a report on the inventory balances pursuant to the company’s financial reports.

 

		7.3.2.	Receivables report - including details of the receivables in Israel, receivables from overseas, cheques and notes for
collection, down payments from customers (which are not against a bank guarantee) and details about aging of receivables and details
of the names of the major customers.

 

    	 

    	 

    

 

		7.3.3.	A report in regard to liabilities to the banking system and other secured creditors (detailed pursuant to each of the
banks and other creditors individually and separately) - including details in regards to short term credit (including Israel Land
Administration), long term loans, documentary credit, company import, guarantees and total obligo.

 

		7.3.4.	Balances and other debts report - including details about debts to employees (for salaries, vacation, severance compensation
and pensions), provisions for income tax at source for employees, debts to local authorities and debts to government institutions
(such as: income tax, purchase tax, national insurance, property tax and so forth).

 

		7.4.	At the bank’s request any report, document or additional information plus other clarifications inasmuch as they shall
be required, including and without derogating from the generality of the aforementioned, a detailed business plan and the reports
that the company shall transfer to its shareholders, and all in the manner and format that shall be required by the bank.

 

		8.	Undertaking to present additional reports and reporting

 

We undertake to present to
you a copy of any confirmation, notice, report or any other document that we are required to transfer to the Registrar of Companies
and/or the Securities Authority pursuant to any law, and this simultaneous to presenting them to the Registrar of Companies and/or
the Securities Authority.

 

    	 

    	 

    

 

Without derogating from the
generality of the aforementioned, we further undertake to inform you immediately of any prosecution or legal proceeding of any
kind whatsoever which has been filed or which has been opened in the court, tribunal of any other judicial institution, including
arbitration or quasi arbitration, in Israel or overseas, for a total of no less than one million US dollars.

 

		9.	Undertaking not to issue securities to the bearer of this document

 

We undertake not to issue
securities to the bearer of this document, without the consent of the bank in writing and in advance.

 

We declare that as of the
date of signature on this document no securities have been issued by the company to the bearer of this document.

 

		10.	Undertakings vis-à-vis third parties

 

		a.	We undertake to inform the bank, at a reasonable time in advance and in writing, of our intention to make an undertaking vis-à-vis
any third party whatsoever, including but not only, within the framework of issuance of shares, for undertakings that are or could
restrict, in any way whatsoever, our right to create securities in favour of the bank which are required and/or could be required
to guarantee credit and/or existing and/or anticipated banking services and to present to the bank in the wording of the undertaking
as aforementioned before its final consolidation. We are aware that the undertaking vis-à-vis a third party as abovementioned
could cause the cancellation and/or reduction of the credit lines before the end of their term and/or cancellation of the undertaking
to provide credit and/or banking services, inasmuch as such have been provided and/or shall be provided, and we agree to this.

 

    	 

    	 

    

 

		b.	We undertake to inform the bank, at a reasonable time in advance and in writing, of our intention to take upon ourselves, vis-à-vis
any third party whatsoever, including but not only, within the framework of an issuance of shares, financial criteria the breach
of which shall award or could award, to that same third party, a cause for consignment of our debts for immediate defrayal.

 

		c.	We undertake and declare that in the event that we have obligated vis-à-vis any third party whatsoever with an undertaking
which shall have priority and/or harm and/or is contradictory with our undertakings pursuant to this document (hereinafter: “the
priority undertakings”), the priority undertaking shall also be imposed in favour of the bank and we shall contact the
bank immediately in order to amend our undertakings pursuant to this document thus that they shall not be subordinate as compared
to the priority undertaking.

 

    	 

    	 

    

 

		d.	If any event shall occur the result of which could award any entity whatsoever in Israel and/or overseas pursuant to any document
whatsoever signed and/or that shall be signed by us in favour of early defrayal of our debts to it and/or consignment of our debts
for immediate defrayal, in entirety or in part, then - further to any other relief that you shall be entitled to pursuant to law
or pursuant to any other of our undertakings to you incorporated or that shall be incorporated in any document whatsoever - you
shall be permitted to consign for immediate defrayal all or some of the debts and undertakings of the company to you, and to collect
them from us together with any sum which in the opinion of the bank shall cover the losses and/or expenses that shall be caused
to the bank due to the consignment for immediate defrayal as aforementioned.

 

		11.	Additional undertakings in regard to non-defrayal of loans, non-payment of dividends and more

 

		11.1.	We shall not pay in any shape or form whatsoever, whether directly or indirectly, to any of our shareholders or to any of our
stakeholders who have signed at the foot of this document, including and without derogating from the generality of the aforementioned,
the stakeholders and/or family members of any of them and/or corporations under the control of any of them and/or any other third
party who shall come in their stead or on their behalf, any sum whatsoever from or on account of the capital notes which the company
has issued and/or shall issue in their favour and/or from or on account of loans that have been provided and/or shall be provided
to us by any of the aforementioned, or in relation to them, including, however without derogating from the generality of the aforementioned,
payments of capital, interest, commissions and expenses (all the above-mentioned sums shall be called hereinafter: “the
loans”), all without receiving your consent in writing and in advance.

 

    	 

    	 

    

 

		11.2.	We shall not pay and shall not undertake to pay in any shape or form whether directly or indirectly, from the company (from
its profits or its capital or from any other source) dividends (as defined in the Companies Law 5729-1999 as it shall be amended
from time to time) or interest or management fees or compensation fees or indemnification fees or consultancy fees or sums of money
or monetary equivalent (these sums shall be called hereinafter: “dividends”) to our shareholders or our stakeholders,
whether they have obligated to you at the foot of this document or they have not obligated to you at the foot of this document
and/or to a family member or any of them and/or to companies or corporations in which any of our shareholders is a stakeholder
and/or to any third party whatsoever who shall come in the place of any of the aforementioned or on behalf of them.

 

		11.3.	If any request shall be made by any of our shareholders and/or by any other entity of the aforementioned, for any payment whatsoever
on account of the sums of the loans and/or the dividends or in relation to them other than pursuant to this document, we shall
inform you of this immediately and at your request we shall coordinate with you the actions for cancellation of the request for
payment.

 

    	 

    	 

    

 

		11.4.	Notwithstanding the aforementioned, and for as long as no event has occurred which awards the bank the right to consign our
debts to it for immediate defrayal, we shall be permitted to pay the stakeholder, subject to the provisions of the Companies Law
and any law, a salary for that service that the stakeholder provides and/or shall provide to us as a “functionary”
in the company, including as chairman of the company’s board of directors, president and/or CEO of the company, without the
salary being considered as loans and/or dividends, and we shall be permitted to pay to our shareholders every calendar year sums
on account of the loans and/or dividends and/or to purchase, to provide financing for purchase or to undertake to purchase or to
provide financing for acquisition of company shares, in any shape or form, including but without derogating from the generality
of the aforementioned by providing a guarantee, whether directly or indirectly, by the company or by its subsidiary or by another
corporation under its control (hereinafter jointly: “acquisition of company shares”), all subject to the provisions
of the Companies Law and the law, on condition of compliance at all times with the following terms:

 

		11.4.1.	The accrued total of sums on account of the loans and/or
the dividends that the company shall pay to its shareholders every calendar year shall not exceed a total of 6.5 million US dollars;

 

		11.4.2.	The accrued total of sums on account of the acquisition
of company shares every calendar year shall not exceed a total of 20 million US dollars;

 

    	 

    	 

    

 

		11.4.3.	Also after execution of the distribution on account of
the loans and/or the dividends and/or the acquisition of the company shares, we shall comply at any time with all the financial
criteria to which we have undertaken as aforementioned.

 

In this section the following terms
shall have the following meanings:

 

“Corporations under the
control of the shareholders” - any company and any other corporation at the time of signature on this document or which
in the future shall be under the control of any of the shareholders or any of our stakeholders who have obligated to you at the
foot of this letter.

 

“Subsidiary”, “control”,
“family member”, “stakeholder” - as defined in the Securities Law 5728-1968 as shall be in force from
time to time.

 

“The company shares”
- also including securities that may be converted to company shares and securities that may be realized by company shares.

 

		12.	Validity of the undertakings

 

Our aforementioned undertakings
shall remain valid for as long as any sums whatsoever are due and/or shall be due to you on account of loans, credit and/or other
banking services that you have provided to us and/or shall provide to us in the future and/or for as long as the undertakings and
guarantees to you or in your favour shall be valid.

 

    	 

    	 

    

 

In any event that we shall
not comply with the financial criteria, in entirety or in part, or if we shall breach any of our other undertakings detailed in
this document above, in entirety or in part, then - further to any other relief to which we shall be entitled pursuant to any law
or pursuant to any other of our undertakings to you incorporated or that shall be incorporated in any document whatsoever - you
shall be permitted to consign for immediate defrayal all or some of our debts and undertakings to you, and to collect from us together
with any sum which in the opinion of the bank shall cover the losses and/or expenses that shall be caused to the bank due to the
consignment for immediate defrayal as aforementioned.

 

It is declared that if the
bank shall not take action due to a breach of a prior undertaking or due to non-compliance with one or more of our undertakings
vis-à-vis the bank, whether that same undertaking is incorporated in this document or whether it is incorporated or shall
be incorporated in any other document, this shall not be considered as neglect or a waiver by the bank of its rights and/or as
justification or a pretext for continuing with the breach and/or continuing another breach or for not additionally complying with
any of our terms or undertakings as aforementioned.

 

To avoid doubt nothing in
the aforementioned shall derogate from our undertakings to you pursuant to any document whatsoever and/or pursuant to law, and
nothing in the aforementioned shall derogate from any cause for consignment for immediate defrayal available and/or that shall
be available to you pursuant to any document whatsoever and/or pursuant to any law.

 

    	 

    	 

    

 

Yours sincerely,

		Stamp:	AudioCodes Ltd

Public Co. 520044132

(signature)     (signature)

Audiocodes Ltd

 

 

 

Date: December 12th
2011

 

Att:

Bank Leumi LeIsrael Ltd

 

		1.	I the undersigned, a shareholder, stakeholder and company CEO of Audiocodes Ltd, agree and undertake to comply with all the
undertakings aforementioned in this document, inasmuch as they shall relate to me.

 

Without derogating from the
generality of the aforementioned I undertake that no change shall be made to the percentage of my holdings in the share capital
and voting rights of the company as compared with the status on the date of signature of this document, as such that it shall reduce
my holdings to under the percentage of holdings required pursuant to the Securities Law, 5728-1968, for the purpose of definition
a “stakeholder”, unless it is with the consent of the bank in writing and in advance.

 

    	 

    	 

    

 

		2.	Furthermore, and without derogating from that stated in Section 1 above, I, the corporations under my control, and my family
members, shall not request, shall not receive, shall not request, shall not expend, directly or indirectly or by any shape or form,
any sum whatsoever from or on account of capital notes which the company has issued and/or shall issue in our favour and/or in
the favour of any of us and/or from or on account of loans which have been provided and/or shall be provided to the company, including
payments of capital, interest, commissions and expenses (all the above-mentioned sums shall be called hereinafter: “the
loans”).

 

		3.	Furthermore, I undertake that I, the corporations under my control, and my family members shall not request, shall not receive
and shall not request and shall not expend from the company (from its profits or from its capital or from any other source) whether
directly or indirectly, in any shape or form whatsoever, dividends (as defined in the Companies Law 5759-1999 as it shall be amended
from time to time) or interest or management fees or indemnification fees or compensation fees or consultancy fees or any sums
of money or monetary equivalent (this sums shall be called hereinafter: “dividends”) and we shall not demand
and shall not request from the company an undertaking to provide dividends as aforementioned.

 

		4.	Notwithstanding the aforementioned, and for as long as no event has occurred which awards the bank the right to consign the
company debts for immediate defrayal, I shall be permitted to receive from the company in every calendar year, subject to the provisions
of the Companies Law and the law, a salary for the services that I provide and/or shall provide to the company as a “functionary”,
including as chairman of the company’s board of directors, president and/or company CEO, without this salary being considered
as a loan and/or dividend, and I shall be permitted to receive from the company every calendar year sums for defrayal of loans
and/or payment of dividends subject to the provisions of the Companies Law and the law, on condition of compliance at any time
with all the following terms:

 

    	 

    	 

    

 

		4.1.	The accrued total of the sums on account of defrayal of the loans and/or payment of the dividends that the company shall pay
to me each calendar year shall not exceed a total of 6.5 million US dollars.

 

		4.2.	The accrued total of the sums on account of acquisition of company shares each calendar year shall not exceed a total of 20
million US dollars.

 

		4.3.	Even after execution of the distribution on account of the defrayal of the loans and/or payment of the dividends as aforementioned
the company shall comply at all times with the financial criteria which they have undertaken pursuant to this aforementioned letter
of undertakings.

 

		5.	Furthermore I shall not transfer to another/others whether directly or indirectly all or part of my rights, that exist and
that shall exist in the future, vis-à-vis the company for the dividends and/or the loans, without the consent of the bank
in writing and in advance.

 

    	 

    	 

    

 

		6.	Without derogating from the aforementioned, in the event that I and/or the corporations under my control and/or my family members
and/or others as aforementioned, shall receive from the company any sum whatsoever on account of or in regard to the loans or the
dividends, then we shall transfer to the bank any such sum immediately on its receipt by any of us. The bank shall be permitted
to credit as it sees fir any sum that it shall receive from us, for the purpose of defrayal on account of the sums due and/or that
shall be due from the company by any means whatsoever.

 

		7.	The bank’s books and its accounts shall serve as proof prima facie of the company’s debts to the bank.

 

		8.	The aforementioned in this document shall obligate the undersigned, even if some of the shareholders in the company shall not
sign on this document.

 

	(signature)	 	 	 	 	 
	 	 	 	 	 	 
	 	 	 	 	 	 

 

	Stamp:     	Audicodes Ltd	 	 
	 	Public Co. 520044132	 
	 	(signature)	(signature)

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