**Exhibit 4.31**

 

*FederalSupervisory Service for Communications*

 

**AddendumNo. 2**

 

**toLicense No. 30256 (Account Series A 030459)****datedDecember 30, 2003**

 

“The conditions for the performance of activities in accordance withLicense No. 30256” shall be revised to read as follows:

 

1.                                       Mobile TeleSystems OJSC (the Licensee) shall beobliged to keep the term of this License.

 

2.                                       The Licensee shall be obliged to commence theprovision of communication services under this License no later than on June30, 2005.

 

3.                                       The Licensee shall be obliged to provide mobileradiophone communication services (GSM 900/1800 networks) in accordance withthis License in the territory of the Kemerovo Region.

 

4.                                       In accordance with this License, the Licenseeshall be obliged to ensure provisioning a subscriber with*:

a)              accessto the network of the Licensee;

b)             connectionson the Licensee’s mobile radiophone communication network for receiving(transferring) voice and non-voice information ensuring the communicationcontinuity while rendering services, irrespective of location of thesubscriber, including while his moving;

c)              connectionswith subscribers and (or) users of fixed public-switched telephone networks;

d)             possibilityof using GSM 900/1800 mobile radiophone communication network while beingoutside the territory specified in the License;

e)              accessto telematic communication services and data transmission services, except fordata transmission for the purpose of voice data transfer;

f)                accessto the information and directory-inquiry service;

g)             possibilityof making free twenty-four-hour calls to emergency services.

 

5.                                       The Licensee shall be obliged to rendercommunication services in accordance with rules of rendering communicationservices approved by the Government of the Russian Federation.

 

6.                                       At rendering communication services, the Licenseeshall be obliged to observe the rules of connection and interaction ofelectrical communication networks, approved by the Government of the RussianFederation, when connecting the Licensee’s mobile radiophone communicationnetwork to the public-switched network, connecting the Licensee’s mobileradiophone communication network to other communication networks, accountingand transferring the traffic in the Licensee’s mobile radiophone communicationnetwork,

 

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accounting and transferring the traffic from/to the communicationnetworks of other operators.

 

7.                                       This Licensee has been issued based on resultsof considering the application for granting a license without tendering(auction, competition). The license requirements for the Licensee’s dischargeof obligations undertaken by the Licensee when participating in tenders(auction, competition) to obtain respective license have not been established.

 

8.                                       The Licensee shall, in the period of renderingthe services under this License, adhere to the terms and conditions as set atthe moment of frequencies allocation and radio frequency or radio frequencychannel assignment.

 

9.                                       The Licensee shall have available thecommunications network management system that conforms to the standards appliedto communications network management systems, as prescribed by the FederalExecutive Body acting in telecommunications.

 

10.                                 The Licensee, when conductingoperational-investigative activities, shall be obliged to adhere to therequirements to networks and means of communication, as prescribed by theFederal Executive Body and approved by the authorized state bodies, and to takemeasures to prevent the disclosure of organizational or tactical techniques ofconducting of the above.

 

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*Rendering the services under this License can entail rendering otherservices, which are technically integrated into mobile radiophone services andare aimed at improvement of their customer value, provided no additionallicense is required for this purpose.

 
| **Deputy Manager,**                                |       |               |
|----------------------------------------------------|------------|--------------------|
| **Federal Supervisory Service for Communications** | ** ** | **S. A. Malyanov** |
|                                               |       |               |
|                                               |       | April 16, 2007     |

 

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