Exhibit 4.35.5  Additional Agreement No. 5 To the Contract on Network
Connection between OAO Rostelecom and OJSC CenterTelecom as amended by AgreementNo.6480/05-DOdated January 01,2006   Moscow
  
  dated
  25 August, 2006  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 CenterTelecom, Open Joint-Stock Company,
hereinafter referred to as the Operator, represented by OJSC CenterTelecom
General Director S.V. Pridantsev, authorized to act
by the Charter, on the other part, hereinafter collectively referred to as the Parties,
and separately referred to as Party signed this Additional Agreement
(hereinafter  Agreement) on the following addenda to Appendix No. 9  (version No. 2) to the Contract on
Network Connection (hereinafter  Contract):  1.Tables Details of recipient of the bill (Subscriber) and Subscribers
Numbers (Phone)  are changed by the
tables of the following wording:  Details
of recipient of the bill (Subscriber)  Attribute name
  
  Obligation degree
  
  Acceptable values
  
  Descriptionsubscriber_id
  
  Obligatory given as a parameter
  
  Symbol line of 15 digits
  
  The unique identifier of the Subscriber within the
  Operators companylegal_entity
  
  All subscribers
  
  0-individual
  1-legal entity
  
  Feature of a legal entitycategory
  
  All subscribers
  
  0- Budgetary organizations
  1- Self-sustained organizations
  2-population
  3-Non-incorporated individual entrepreneur
  
  Type of subscriber  Subscribers Numbers (Phone)  Attribute name
  
  Obligation degree
  
  Acceptable values
  
  Descriptionphone_number
  
  Obligatory given as a parameter
  
  Line of 10 characters (figures only)
  
  Full subscriber numberdevice
  
  All subscribers
  
  0-telephone1-call office
  
  Type of the subscriber gearprice_plan
  
  All subscribers
  
  0-office
  1-population
  2- Self-sustained organizations
  3- Budgetary organizations
  
  Tariffvat_free
  
  Diplomatic mission or their employees
  
  0- default VAT rate
  1- 0 % VAT rate
  
  The sign of 0% VAT rate application to the
  realization of the services  1


2.This Agreement is an integral part of the Contract.  3.All terms used in this Agreement have a meaning, fixed for them in the
Contract.  4.All the rest, not indicated in this Agreement, is subject to the
provisions of the Contract.  5.The Agreement is issued in the Russian language in two copies, one
for  each Party.  6.The Agreement comes into effect since the date of its execution and is
valid till 01.04.2006. If neither Party announces termination of this Agreement
within thirty (30) calendar days before its stated expiration, this Agreement
shall be automatically extended for each subsequent period of three calendar
months.The number of periods for which the effect
hereof can be prolonged is not limited.The
Parties hereby establish that terms and conditions of the Agreement entered
into thereby shall apply to their relations arisen from the date of the
Contract on Network Connection as amended by AgreementNo.6480/05-DOdated
January 01,2006.  7.After the termination of this Agreement in Appendix No. 9 (Version No. 2)
to the Contract the Tables Details of the recipient of the bill (Subscriber)
and Subscribers Phone Number Data shall be applied in the wording of
Appendix No. 9 (Version No. 2), existing on the day previous to the
day when this Agreement enters in force.  8.Signatures of the Parties:  For Rostelecom:
  For Operator:General DirectorOAO Rostelecom
  General Director
  OJSC CenterTelecomD.Ye. Yerokhin
  
  S.V.PridantsevSeal here
  Seal here  2