Exhibit 4.35.2  Additional Agreement No. 2  To the Contract on Network Connectionbetween OAO Rostelecom and OJSC CenterTelecomas amended by Agreement No. 6480/050-DO dated
January 1, 2006  Moscow
  Dated August 25,2006  Rostelecom,
Open Joint-Stock Company for Long-Distance and International Telecommunications
(OAO Rostelecom), hereinafter, Rostelecom, represented by OAO
Rostelecom General Director Dmitry Yevgenievich
Yerokhin, authorized to act by the Charter, on the one part, and
Central Telecommunication Company, Open Joint-Stock Company (OAO Rostelecom),
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 severally, as Party, have entered into this Additional Agreement
(hereinafter, the Agreement) on the incorporation of the below-listed
amendments to the Contract on Network Connection (hereinafter, the Contract),
as follows:  1.Clause 3.1.3.
of the Contract shall be excluded.  2.Clause 3.1.4.
of the Contract shall be marked as Clause 3.1.3. and shall be amended as
follows: to provide the recording and the billing of the Services according to
the traffic in accordance to the provisions of this Contract.  3.Clause3.1.5.
of the Contract shall be marked as Clause 3.1.4. of the Contract.  4.Clause3.1.6.
of the Contract shall be marked Clause 3.1.5. of the Contract.  5.To add to the Contract the
clause of the following wording: To demand from the Operator the information
on numbering capacity of the lines of the Associated Operators; mark it as
clause 3.2.5.  6.Clause3.2.5.
of the Contract shall be marked as Clause 3.2.6. of the Contract.  7.Clause 3.3.3.of
the Contractshall be amended as follows: to
provide the completeness and correctness of the information submitted to
Rostelecom on the numbering capacity of the Associated Operators and the
numbering capacity from which the Traffic transfer used for Service Telecommunication
is initiated.  8.To add to the Contract
clause 3.4.4.that states: to provide the
recording and the billing of the Services according to the traffic in
accordance to the provisions of this Contract.  9.To add to the Contract
clause 3.4.5.that states: To initiate
control of submitted by Rostelecom data on the volume of the Service for
Traffic transfer.  10.Clause marked as 5.8shall be added to the Contract:
The content and the submission procedure by the Operator of the information on
numbering capacity from which the Service Telecommunication Network traffic is
initiated necessary to Rostelecom for 
the billing for the Traffic transfer service is described in Section 6
of Appendix 5.  11.Clause 5.8
of this Contract shall be marked as clause 5.9. of the Contract and shall be
amended as follows: Structure and terms of transfer of the data related to the
Users (including the Users number initiating the call) required by Rostelecom
to perform billing for long-distance and international communication and to
consider claims are specified in Schedule No.9 attached herein. Data updating
about all the Users not connected to the activities described in clause 6
(except for paragraphs 1 and 3 of clause 6) of Appendix 9 to this Contract is
performed by the Operator in compliance with the  1


Additional Agreement to
this Contract that can be concluded by the Parties within the validity period
of this Contract.  12.Clause 5.9 of this Contract shall be marked as clause
5.10. of this Agreement.  13.Clauses 6.2.  6.10 of the Contract shall be amended
as follows:  6.2. The Operator shall
pay for the Interconnection services in accordance with rates specified in
Appendix No. 1 attached herein.  6.3. Should the rates of
Interconnection services and Traffic Admission Services be changed by the
Federal executive authority of the Russian Federation responsible for
adjustment of tariffs for such services the Parties shall introduce new tariffs
from the date specified in the order of the Federal executive authority of the
Russian Federation by means of conclusion of the Additional Agreement to this
Contract that should be signed by the Parties in this case.  6.4. Rostelecom shall pay
for Traffic Admission Services according to the procedure and within the terms
prescribed by Appendix No.7.  6.5. Payment for
Interconnection services shall be effected by the Operator on a monthly basis
no later than 10 (ten) days after the signing the Interconnection Services
Report.  6.6. For billing purposes
the Parties shall exchange the data on the volume of the Interconnection
services and Traffic Admission Services as follows:  6.6.1. The Operator no
later than the last day of the Reporting period (in accordance with calendar
possibilities) submitted to Rostelecom detailed information on number
capacities of the Associated Operators, numbering capacity from which the
traffic of the Telecommunication Service is initiated and numbers of pay
telephones and call offices in accordance to Appendices Nos 5 and 9.  6.6.2. No later than the
6th day of the Billing Period Rostelecom submits the Operator a Report on
volumes of the services rendered for the Traffic Admission Services with the
following data:  a) on the volume of the Services rendered for zone
call initiation from the Operators network including on codes 80X 100, 80X
200, 8-10-800 and on codes 80X X1X2X3 (where X1X2X3-
is the code of the IS Operator interconnected to Rostelecoms network);  b) on the volume of the Services rendered for zone
call initiation from the Associated Operators networks including on codes 80X
100, 80X 200, 8-10-800 and on codes 80X X1X2X3
(where X1X2X3- is the code of the IS Operator
interconnected to Rostelecoms network);  c) on the volume of
the Services rendered for call termination to the Operators network;  d) on the volume of
the Services rendered for call termination to the Associated Operators
networks.  Copies of the Rostelecom
Report shall be submitted to the Operator in the electronic form.  6.6.3. The Parties shall
check and reconcile the data on the volume of Traffic Admission Services
rendered (obtained) within the Reporting period in accordance with clause 6.6.2
herein.  6.7. By the 8th day of
the Billing period one Party shall submit to the other Party the Traffic
Admission Services Report with the following data:  2


6.7.1 Operator:  a) on the Services rendered for zone call initiation from the
Operators network including on codes 80X 100, 80X 200 and on codes 80X X1X2X3  (where X1X2X3-
is the code of the IS Operator interconnected to Rostelecoms network);  b) on the Services rendered for zone call initiation
from the Associated Operators networks including on codes 80X 100, 80X 200 and
on codes 80X X1X2X3 (where X1X2X3-
is the code of the IS Operator interconnected to Rostelecoms network);  c) on the Services for call termination to the Operators network;  d) on the Services
for call termination to the Associated Operators networks.  6.7.2 Rostelecom:  a) for the Interconnection services rendered.  6.8. By the 9thday of the
Billing Period each Party signs a corresponding Act: Rostelecom shall sign the
Traffic Admission Services Report; The Operator shall sign the Interconnection
services Report.  6.9. The Parties shall provide invoices for
Interconnection services and Traffic Admission Services not later than the 10th
day of the Billing period. The copies of invoices, the Act of Acceptance of
services shall be sent by fax, the originals shall be sent by mail.  6.10. Without prejudice to provisions of
clause 6.8. each Party shall be entitled to check the data submitted by the
other Party and reconcile with its own data to verify absence of discrepancies
in accordance with terms specified herein.  If discrepancies of the data
of the Parties in exceed 3 % plus/minus of the volume and cost parameters of
the services rendered according to the Act of Acceptance, one Party shall send
by the 17thday of the Billing Period at the latest to the
other Party the Reconciliation Report indicating confirmed and rejected
amounts.  In
case of discrepancies determined during the reconciliation less 3 % plus/minus
of the volume and cost parameters of the services rendered according to the Act
of Acceptance then the Parties acknowledge volume and cost parameters of the
services rendered and indicated in the Act to be true.  In case any Party presents
the Reconciliation Report the Parties shall carry on the activities to correct
and to eliminate the discrepancies as prescribed in Appendix 6 of this
Contract. After the reasons of discrepancies have been revealed the Parties
sign the Act on the regulation of the discrepancies indicating the approved
volumes and costs of the services. Differences in volumes and costs of the
services indicated in the Acts of Acceptance and the Acts on the regulation of
the discrepancies  is set off in the
following Billing period.  14.Paragraphs 6.11, 6.12 of
Contract shall be excluded, clauses 6.13-6.17 of the Contract shall be marked
as clauses 6.11-6.15.  15.Clause 9.6 of the Contract
shall be amended as follows: The Operator is responsible for the timely and
complete data submission on the numbering capacity of the Associated Operator,
the numbering capacity from which the traffic connected to the Service
Telecommunication is initiated and on the numbering capacity of the pay phones
and call offices.  16.Clause 9.7 of the Contract
shall be amended as follows:  If invalid data has been
submitted by Rostelecom (or failure to submit the data, or delayed submission
of the data) on the volumes of the traffic transfer service by the Operator on
the stipulation that, the Associated Operator receiving traffic (incoming
traffic) from Rostelecoms network through Operators network, has submitted to
the Operator a claim for forfeit and/or indemnity for the losses and the amount
of funds payable for incoming traffic to this 
Operators network calculated on the basis of invalid data provided is
less than the amount   3


payable for actual services rendered, then
the Operator shall be entitled to claim indemnity for the losses from
Rostelecom  including expenses of the
Operator, inflicted in connection with aforesaid claims by such Associated
Operator. This forfeit must be paid by Rostelecom to the Operator within the
period of ten (10) banking days from the moment of the receipt of the
corresponding payment demand.  17.Appendix No. 5 of the
Contract shall be amended as follows:  Attachment No. 5to Contracton Network Connectionas amended by Agreement No. 6480/05-DO dated
  January 1, 2006  Order of Interaction between Rostelecom and the Operator Participating
in the Process of Exchange of Information on the Services Rendered  1.     This Appendix determines the order of interaction between
Rostelecom and the Operator participating in the process of exchange of
information on the Traffic admission Services.  2.     This Appendix determines:  2.1. the format and order of submission by the Operator of the
information on the numbering capacity of the networks of Associated Operators;  2.2. the format and order of submission of the data on traffic admission
Services.  3.     The Operator shall, within the terms indicated in Clause 6.6.1
hereof, submit to Rostelecom data on the numbering capacity of the Associated
Operators networks in the format of Table 1 hereof, data on the numbering
capacity from which service traffic is initiated - in the format shown in
Appendix 9.  4.     The Operator submits the information about changes in numeral
capacities, allotted by the Associated Operators during the Reporting period,
in the format of Table 1 of this Agreement.  5.     Rostelecom submits to the Operator monthly reports on the volume
of the rendered Traffic admission Services, containing the data:  a) on the volume and cost of the Services rendered for
long-distance initiation of call from the Operators network, including the
codes 80X 100, 80X 200, 8-10-800 and 80X X1X2X3
(where X1X2X3- is the code of the Inquiry
System (IS) Operator connected to the network of Rostelecom);  b) on the volume and cost of the
Services rendered for call transit (long-distance call initiation of zone
initiation of call from the Associated Operators network, including the codes
80X 100, 80X 200, 8-10-800 and 80X X1X2X3  (where X1X2X3-
is the code of the ISS Operator connected to the network of Rostelecom));  c) on the volume and cost of the
Services rendered for termination of call to the Operators network;  d) on the volume and cost of the
Services rendered for termination of call to the Associated Operators network.  6.     The requirements for the formation of reports:  ·in volume figures only the actually
performed traffic must be considered, i.e. the traffic registered on the commutator
by response of the called number;  4


·the volume of the traffic admission
services rendered is estimated for the point of connection of the Operators
network to the network of Rostelecom;  ·Service traffic
(the traffic for the service network) is not included into reports;  ·the long-distance and international
telecommunications traffic via pay phones and call offices is included onto
reports;  ·the tarification is performed in
accordance with para. 6.1. of the Agreement;  ·reports on the Service of long-distance
initiation of call from the Operators network and the Call Transit Service
shall include details of incoming long-distance and international ABC codes;  ·the reports on the Service of call end
indicate the summary volume of the outgoing ABC codes;  ·the reports are drawn up in the Excel
format. The form of data presentation is specified in Table 2.1 of this
Appendix.  The
format of data presentation  Table 1. The structure of the file for
submission of information about numbering capacity of Associated Operators  Short
  nameof the
  
  Indication
  
  
  
  Full
  name
  
  Symbol
  
  Numbering
  capacityOperator/
  
  of
  
  Number
  
  of
  
  name of
  
  Beginning
  
  End of
  
  Date of
  
  Date ofOperators
  
  agreement
  
  of
  
  Associated
  
  Associated
  
  of
  number
  
  number
  
  number
  
  numbersubsidiary
  
  conclusion
  
  agreement
  
  Operator
  
  Operator
  
  range
  
  range
  
  opening
  
  closure1
  
  2
  
  3
  
  4
  
  5
  
  6
  
  7
  
  8
  
  9  Notes
to completion of Table 1:  1.     The data must be presented
by the Operator in the Excel format.  2.     The
transferred files must be named in accordance with the following name
structure:  XXXXZZZZZZCCCNU.XLS. where XXXX  four-digit sign-digit operator number assigned
by Rostelecom ZZZZZZ  reporting period in the form YYYYMM CCC  code of the outgoing ABC (up to three digits); N  indication of the information presented in the
file (must always be present in the file name) UU  ordinal number for the report. The ordinal number
of the document sent by the telecommunications Operator to Rostelecom in the
reporting period is always 0. Every new version of the file for the same
Reporting period is formed by means of increasing the document ordinal number
by 1.  3.     The
Operator having subsidiaries draws up the report on numbering capacities of the
Associated Operators individually for every subsidiary and submits the reports
conjointly.  4.     In the column<<Symbol name of
Associated Operator>>the
abbreviated name of Associated Operator is indicated.  5.     In the
column<<Indication of
agreement conclusion>>the following
codes are indicated dependent on the state of the agreement with the
corresponding Associated Operator: 0  agreement is not concluded; 1 
agreement is concluded; 2  agreement is denounced.  6.     In the
column<<Beginning of
number range>>and<<End of number range>>full numbers
allotted to the operator together with the ABC code are indicated. By absence
of number range, i.e. when one number is allotted, the same number is indicated
in these columns.  5


7.     In the
fields<<Date>>the date of opening or
closure of number range is indicated, in the format: (DD.MM.YYYY)  Table
2.1 . Rostelecom report on natural and cost parameters related to Traffic
Admission Services. <Name
of Operator> <Name
of Operators subsidiary> Period
from  <the starting date of the
reporting period> till <the ending date of the reporting period> Type
of traffic <incoming/ outgoing>  Number
  of calls
  
  Duration,
  min
  
  RUR/minDirection name
  
  Code
  
  pcs.
  
  min.
  
  Tariff
  
  Cost,
  roublesTotal  Table
2.2 .  Number
  
  Duration,
  min
  
  Tariff
  
  Cost,Operators full name
  
  Code
  
  pcs.
  
  min.
  
  RUR/min
  
  roublesTotal  Notes
to completion of Traffic admission Services data  1.     The data must be presented in the Excel format.  2.     In the field<<Type of traffic>>service type relative to the
network of Rostelecom is indicated: incoming  for initiation of call, outgoing
 for termination of call to the Operators network.  For Rostelecom:
  
  For Operator:General Director
  
  General DirectorOAO Rostelecom
  
  OJSC CenterTelecom:D.Ye. Yerokhin
  
  
  S.V.PridantsevSeal
  here
  
  Seal
  here  >>  18.Appendix No. 6 of the
Contract shall be amended as follows:  Appendix No. 6to Contracton Network Connectionas amended by Agreement No. 6480/05-DOdated January 1, 2006  Interaction
between Rostelecom and the Operator in the Course of Reconciliation of Data on
Long-Distance and International Traffic Admission.  6


1.     ThisAppendixestablishes the list of actions that
must be performed by the Parties (Rostelecom and the Operator) for the
regulation of disputes arising by discrepancy of traffic admission data.  2.     This
Appendix establishes the methods of data reconciliation on the admitted
traffic, the format, the terms and ways of data submission on every stage of
reconciliation.  3.     The
performance of reconciliation can be initiated by one of the Parties within the
validity term of the current Agreement on the condition of observance of statue
of limitation established by current law of the Russian Federation.  4.     The basis
for the beginning of the data reconciliation actions is the discrepancy between
summary volume or cost figures on the services rendered during the Reporting
period (in accordance with the data of Rostelecom and the Operator), exceeding
3 (three) % plus/minus.  5.Thefollowing actions can be performed in
the reconciliation:  ·The
reconciliation of data submitted by Rostelecom and the Operator,  ·detailedreconciliation  ·comprehensivetechnical study;  6.     Thereconciliationof data submitted by Rostelecom and the
Operator:  6.1. ThePartyinitiating the reconciliation forms and
submits to the other Party the report in the form of Table 1 presented in this
Appendix.  6.2. ThePartyreceiving the report indicated in para.
6.1, performs counter-analysis of the execution of the conditions hereunder in
the billing:  ·minimalnon-tariff limit of the calls,  ·type of the
traffic round-off,  ·tariffs.  ·criteria
of traffic accounting (switching, trunks, numbering capacity).  6.3. If as a
result the Party has detected a mistake and its correction has eliminated the
discrepancies, the Parties agree on the date of correction of the mistake and
the date of re-calculation in accordance with the conditions hereof.  6.4. If the
mistake was not detected and its correction did not effect the elimination of
the discrepancies, the Party initiating the reconciliation chooses the
directions (no more than five (5)) for which the maximal discrepancies were
detected, the volumes must be sufficient for the performance of reconciliation.
The data shall be input into Table 2 in compliance with the for specified
attached herein.  The other Party, no later
than within 5 (five) days upon receipt of the report draws up the Act on the
results of the counter-analysis and submits it to be approved by the associated
Party.  7.     Detailed
reconciliation  7.1. Thebasisfor the beginning of a detailed
reconciliation is the coordinated at the previous stage acts and reports on the
condition of absence of detected causes of discrepancies.  7.2. The Parties
adjust the following parameters of the detailed reconciliation:  ·timefactors(month, week, day, hour and so on),  ·ancillaryparameters (switchboards, trunks,
numbering capacity),  ·aspect
of the detailed reconciliation,  ·size
of the detailed reconciliation,  7


·dataexchange type.  The format sample for
accordance of measured call service data for a detailed reconciliation,
indicated in Table 3 of the Appendix, can be changed depending on technical
abilities of the Parties.  7.3.Detailedreconciliation
is conducted under the agreement of the Parties using the resources of
Rostelecom and/or Operator.The results of the reconciliation, performed by Rostelecom, shall be
sent to the address of Operator within seven (7) business days from
concordance of the parameters, indicated in para. 7.2 hereof.  7.4. The parties
conduct analysis of the results of the detailed reconciliation.  If one of the Parties has
detected a mistake and its correction has eliminated the discrepancies, the
Parties agree on the date of correction of the mistake and the date of
re-calculation in accordance with the conditions hereof.  7.5. If no errors
are detected or after correction of errors discrepancies are not eliminated the
results of the analysis shall be revealed in relevant Act within three (3) business
days from the date of reconciliation agreed by the Parties. The Parties will
co-ordinate the next steps:  ·Another
addition, ancillary parameters of the revise are selected (repeated execution
of the stage of the detailed reconciliation),  ·comprehensive
technical study should be performed.  8.     Comprehensive
technical study.  8.1. The reason
for the realization of the comprehensive technical study is coordinated on the
previous stages statements and the absence of the ascertained reasons for
discrepancies.  8.2. In the
context of the comprehensive technical study it can be realized by the
associated Parties:  ·verification
of capacity for work of communication channels;  ·verification
of the recording completeness of the tariff files;  ·verification
of recording conditions of the tariff files;  ·registration
of the probing calls;  ·verification
of the routing Regulations;  ·verification
of the software, used in the system of collection and processing of tariff
information and so on;  ·using
indirect methods of research.  8.3. After
getting the results the report is organized and agreed by the Parties, the used
methods, conclusions, recommendations for eliminating the reasons, caused the
discrepancies, the terms of removal such reasons are indicated inside this
report.  On the basis of the
results of the complex technical analysis report, the decision about
re-calculation is taken in accordance with the conditions hereof.  Table 1. The form of data
reconciliation report  OperatorDescription of telecommunication services with
  discrepancies detectedDate and registration number of agreement/contract
  for the services renderedTerms of tariffing for the service (minimum
  non-payable threshold, round-up per second/per minute)Accounting criteria of the service - terms of
  connection (switching, trunks, numbering capacity)  8


DiscrepanciesPeriod datesTraffic direction (incoming/outgoing/transit)Type of traffic
  (long-distance/international/local)Charges for traffic according to RostelecomCharges for traffic according to the Telecommunications
  OperatorDiscrepancies in chargesVolume of traffic according to RostelecomVolume of traffic according to the
  Telecommunications OperatorDiscrepancies between volumes  Table
2. Dedicated reconciliation form  Rostelecom
  data
  
  Operator
  data
  
  DiscrepanciesTariffOutgoing
  
  
  
  
  
  
  
  tariff
  
  
  
  
  
  %ABC code
  
  
  
  Direction
  
  
  
  (rubles/
  
  
  
  
  
  (roubles)
  
  
  
  %
  
  %Period
  
  min
  
  Direction
  
  code
  
  min
  
  min.)
  
  total
  
  min
  
  min
  
  total
  
  (min)
  
  (roubles)  Table 3. Format of call service data  Data should be presented in
electronic file using format dbf or xls  Tel_A*
  
  Tel_B
  
  Mn_I*
  
  Mn_O*
  
  Date*
  
  Time*
  
  D_sec*  * fill-in spaces are marked  1.Field Tel_A*: Number of the
subscriber A phone 2.Field Tel_B*: Number of the
subscriber B phone 3.Field Mn_I*: Mnemonics of
incoming group of channels 4.Field Mn_O*: Mnemonics of
outgoing group of channels 5.Field Date*: Date of the
call begininng (DDMMYY) 6.Field Time*: Time of the
call beginning (HHMMSS) 7.Field D_sec*: Call duration
(in seconds)  For Rostelecom:
  
  For Operator:General Director
  
  General DirectorOAO Rostelecom
  
  OJSC CenterTelecom:D.Ye. Yerokhin
  
  
  S.V.PridantsevSeal
  here
  
  Seal
  here  »  19.This Agreement is an
integral part of the Contract.  20.All terms used in this
Agreement have a meaning, fixed for them in the Contract.  21.All the rest, not indicated
in this Agreement, is subject to the provisions of the Contract.  22.The agreement is issued in
the Russian language in two original counterparts, one for  each Party.  9


23.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 as
amended by Agreement No. 6480/05- dated January 01, 2006.  24.Signatures of the Parties:  For Rostelecom:
  
  For Operator:General Director
  
  General DirectorOAO Rostelecom
  
  OJSC CenterTelecom:D.Ye. Yerokhin
  
  
  S.V.PridantsevSeal
  here
  
  Seal
  here  10