Exhibit 4.20.7  Additional
Agreement No. 7  to
Contract on Network Connection  as
amended by Agreement No.1097-05 dated December 27, 2005, between OAO
Rostelecom and OJSC VolgaTelecom  Moscow
  
  Dated
  July 24, 2006  Rostelecom, Joint-Stock Company for Long-Distance
and International Telecommunications hereinafter, Rostelecom,
represented by OAO Rostelecom General Director Dmitry
Yevgenievich Yerokhin, authorized to act by the Charter, on the one
part, and VolgaTelecom, Open Joint-Stock Company, hereinafter referred to as
the Operator, represented by OAO VolgaTelecom General Director Sergey
Valeryevich Omelchenko, authorized to act by the Charter, on the other part,
hereinafter collectively referred to as the Parties, signed this Additional
Agreement  (hereinafter  Agreement) to
Contract on Network Connection No. 05-21/0155 dated October 24, 2003
(hereinafter  Contract) as follows:  1.To add the
following clauses to Appendix 9 to
the Contract: «  8.The Operator shall
in case of technical equipment or software failure and because of the effect of
other conditions resulting in garbling, loss of the data or impossibility of
timely transfer, to inform Rostelecom about the reasons of such failures
with retransmission of reliable data.  9.Cooperation in the
updating of the data on Subscribers between the Parties is realized through the
data exchange in the files of an approved format set in Appendix 9 to the
Contract. The following data should be transmitted: data on the Subscribers,
the list of which is set by Appendix 9 and which are changed through the
Reporting period.  10.Basic
unit for the cost of the Subscribers database updating service is the total
reliable information concerning one Operators Subscriber account. Reliability
of the data is the correspondence of the data to the format of Appendix 9 to
this Contract and the condition of the Operators Subscribers database on the
condition on the 1st day of the Billing period.  11.Rostelecom shall, on a
monthly basis, pay for the services in accordance with Appendix No. 1 to
this Contract and Additional Agreement No. 1 to the Contract, subject to
information on Subscribers being transmitted in good time.  12.The Operator by the 5th
day of the Billing Period sends to Rostelecom an Act and an invoice indicating
the effective volume of the Subscribers database updating services within the
Reporting period, and Rostelecom shall by the 8th of the Billing
period approves the Act. If there are any remarks in connection to the volume
of the services rendered, Rostelecom approves the Act with the remarks. The
Parties shall by the 20th day of the Billing period to reconcile
these remarks. The Form of the Act is given in Appendix 1 to this
Agreement.  13.Rostelecom pays for the
Subscribers database updating services no later than 10 days after signing of
the Act by the Parties.


14.If
information transmitted for the Operators Subscribers database updating
services was presented incorrectly or needs additional data Rostelecom sends an
inquiry to the Operator. Retransmission of the information on the Subscribers,
the correction of the data is free of charge if performed because of the fault
of the Operator  2.The agreement is
issued in the Russian language in two copies, one for  each Party.  3.All terms used in
this Agreement have a meaning, fixed for them in the Contract.  4.This Agreement is
an integral part of the Contract.  5.All the rest, not
indicated in this Agreement, is subject to the provisions of the Contract.  6.This Agreement
comes into effect on the date of its execution. The Parties recognize that the
terms and conditions of their Agreement shall apply to their relationships
arising as from the date of the Contract on connection of telecommunication
networks between OAO Rostelecom and OJSC VolgaTelecom  as amended by Agreement No. 1097-05
dated December 27, 2005 on amendments to the Contract on Network
Interaction.   Rostelecom:
  
  Operator:General Director
  
  General DirectorOAO
  Rostelecom
  
  OJSC VolgaTelecomD.Ye. Yerokhin
  
  S.V.
  OmelchenkoDate                            
  2006
  
  Date                            
  2006Seal here
  
  Seal here


Appendix No. 1 to
Agreement No.    7 dt.                      
2006  The form of the Act of Services rendered under Contract  No. 05-21/0155 dated October 24, 2003  for                
month  This Act is drawn up between Rostelecom, Open
Joint-Stock Company for Long-Distance and International Telecommunications,
hereinafter, Rostelecom, represented by OAO Rostelecom General Director Dmitry Yevgenievich Yerokhin, authorized to act by the
Charter, on the one part, and                                                         ,
hereinafter referred to as the Operator, represented by                                             ,
authorized to act by                   ,
on the other part, hereinafter collectively referred to as the Parties,
confirming the following services rendered by the Parties to each other:  Services
rendered by  the  Operator  Ref.
  No.
  
  Description of the service
  
  Measure
  unit
  
  Number
  
  Service
  Tariff,
  roubles/pcs
  
  Service Cost
  net of VAT,
  roubles
  
  VAT,
  roubles
  
  Service Cost
  inc. VAT,
  roubles1
  
  2
  
  3
  
  4
  
  5
  
  6
  
  7
  
  81
  
  Actualization of data on the Operators
  subscribers2Total  The rendered
services cost aggregated                  ,
including VAT               .  The services were presented properly and according to Agreement terms.   For
  Rostelecom :
  
  For Operator:General
  Director
  
  General DirectorOAO
  Rostelecom
  
  OJSC VolgaTelecomD.Ye. Yerokhin
  
  S.V.
  OmelchenkoDated
                              
  2006
  
  Dated                            
  2006Seal here
  
  Seal here