Exhibit 4.18.1  Additional Agreement No. 1  to Contract on Connection of
Telecommunication Networks between OAO Rostelecom and OJSC Dalsvyaz No. 1-DVF
dated August 08, 2003  Moscow
  
  Dated: June 9, 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 Far East Telecommunications Company, Open Joint-Stock Company,
hereinafter referred to as the Operator, represented by General Director Anton Alekseyevich Alekseyev, 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.In clause 1.6. of the Contract - to delete the last paragraph.  2.Clause 1.7.
of the Contract shall be amended as follows:  1.7. Associated Operator shall mean a telecommunications
operator who meets all of the following criteria:  a) the telecommunication
network of such an operator is interconnected into the network of the Operator
on the local and/or zonal level;  b) such a telecommunications on
the basis of a correspondent contract concluded between this operator and
Rostelecom, or between this operator and The Operator on behalf of Rostelecom
performs billing with its Users for Long-Distance and International
Telecommunication services rendered by Rostelecom or the Operator on behalf of
Rostelecom performs billing with the Users of such an operator for
Long-Distance and International Telecommunication Services rendered by
Rostelecom.  3.Clause 1.12
of the Contract shall be deleted.  4.Clause1.13
of the Contract shall be marked as Clause 1.12. and shall be amended as
follows:  Traffic Admission Servicescollectively mean
zone termination of call to the Associated Operators network; zone termination
of call to the Operators network; zone initiation of call; zone initiation of
call from the Associated Operators network in the course of long-distance and
international telecommunications provided by Rostelecom to the Users.  5.Clause 3.1.3.
of the Contract shall be deleted.  6.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.  7.Clause3.1.5.
of the Contract shall be marked as Clause 3.1.4. of the Contract.  8.Clause3.1.6.
of the Contract shall be marked Clause 3.1.5. of the Contract.  9.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.  10.Clause3.2.5.
of the Contract shall be marked as Clause 3.2.6. of the Contract.  11.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  1


the Associated Operators and the
numbering capacity from which the Traffic admission used for Service
Telecommunications is initiated.  12.Clause 3.3.6.
of the Contractshall be amended as follows: To
render zone call initiation services on codes specified in Appendix No. 2
hereof and on codes specified in written notices sent by Rostelecom to the
Operator within 15 days before the introduction of such codes.  13.To add to the Contract clause 3.3.11.that states: to provide the recording and the
billing of the Services according to the traffic in accordance to the
provisions of this Contract.  14.To add to the Contract clause 3.3.12.that states: To inform Rostelecom on the numbering
capacity of the Associated Operators and its changes. The Operator no later
than the last day of the Accounting Period submits to Rostelecom the detailed
information on numbering capacity of the Associated Operators in accordance to
Appendix 5.  15.To add to the Contract clause 3.4.4.that states: To initiate control of submitted by
Rostelecom data on the volume of the Service for Traffic transfer.  16.Clause 4.7.
of the Contract shall be amended as follows: The entire relationship of the
Parties hereunder shall be subject to the confidentiality terms and conditions
as set forth in the Confidentiality Agreement No. 37-06-30 entered into by
the Parties on                       2006. Any exchange of information between the Parties hereunder shall be in a
manner which shall allow for it to be kept in confidence in accordance with the
Confidentiality Agreement Provisions.  17.Clause 4.10.
of the Contractshall be amended as follows: The
Operator, in the course of providing zone initiation of call, and Rostelecom,
in the course of receipt of zone termination of call to the network of an
Associated Operator, zone termination of call to the Operators network shall
each, subject to technical feasibility, communicate to each other information
on the number of the User calling the telecommunication facilities of the other
Party. In case of any discrepancies in the information on the Users number who
has actually performed the call the Party providing such information shall be
liable to the other Party in accordance with terms specified herein.  18.In clause 5.6.
of the Contract the reference to clause 1.13. of the Contract shall be
substituted by reference to clause 1.12. of this Agreement.  19.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.  20.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 Additional Agreement to this
Contract that can be concluded by the Parties within the validity period of
this Contract.  21.Clause 5.9
of this Contract shall be marked as clause 5.10. of this Agreement.  22.Clauses 6.1.  6.10
of the Contractshall be amended as follows:  6.1 Terms of payment for Traffic admission Services:  6.1.1. Rostelecom shall pay for Traffic admission Services in
accordance with tariffs specified in Appendix No. 1 hereof.  2


6.1.2. Rendering Traffic Admission Services billing is calculated on a
minutely basis commencing from the 1st second of the connection and
the rounding up of the time of the connection up to the whole minute;  6.1.3. To calculate the time of the connections performed, besides the
Traffic Admission Services through codes 803 X1X2X3,
a protection Interval is applied (non-billed limit) of 5 seconds;  6.1.4. Time of the connections performed through codes 803 X1X2X3is calculated from the 1st second of the connection.  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 Accounting 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 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.  6.6.3. The
Parties shall check and reconcile the data on the volume of Traffic Admission
Services rendered (obtained) within the Accounting 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:  3


6.7.1.
Operator:  a) on the volume of 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 volume of 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 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.  6.7.2.
Rostelecom:  a) for the Interconnection services rendered.  6.8. By the 9th day 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 by 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 17th day of the
Billing Period at the latest to the other Party the Reconciliation Report
indicating confirmed and rejected amounts.  In case of discrepancies of the data determined during the
reconciliation within 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.  23.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
Telecommunications is initiated and on the numbering capacity of the pay phones
and call offices.  24.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  4


payable for incoming traffic to this  Operators network calculated on the basis of
invalid data provided is less than the amount 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.  25.Clause 12.1.
of the Contract shall be amended as follows:  The Agreement is valid for the period of one year from the moment of
its coming into effect. If neither Party announces termination of this
Agreement thirty (30) calendar days before its stated expiration, this
Agreement shall be automatically extended for each subsequent year. The number
of periods for which the effect hereof can be prolonged is not limited.  26.Appendix 1
shall be amended in version 2:  27.Appendix 5
shall be amended in version 2:  28.Appendix 6
shall be amended in version 2:  29.Appendix 7
shall be amended in version 2:  30.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 the approved format set in Appendix No. 9 to the
Contract.  The following data should be
transmitted: data on the Subscribers, the list of which is set by Appendix No. 9
and which are changed through the Accounting 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 makes monthly payment
for the services under Appendix 1 to this Contract per 1 base unit of reliable
and timely transmitted data on the Subscribers of the Operator.  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
Accounting 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  31.This Agreement is an inseparable
part of the Contract.  5


32.All terms used in this Agreement
have a meaning, fixed for them in the Contract.  33.All the rest, not indicated in
this Agreement, is subject to the provisions of the Contract.  34.The agreement is issued in the
Russian language in two original counterparts, one for  each Party.  35.The Agreement shall become
effective as of its date and shall remain in effect until the expiry of the
Contract on connection of telecommunication networks  No. 1- dated August 01,
2003. The Parties recognize that the terms and conditions of their Agreement
shall apply to their relations arising as from the date of the Agreement on
amendments to the Contract on network interaction No.1- dated August 01,
2003, i.e. as from January 01, 2006.  36.Details and Signatures of the
Parties  OAO
  Rostelecom:
  OJSC
  DalsvyazLegal
  address: 5, Delegatskaya st.,
  Legal
  address: 57, Svetlanskaya st.,Moscow,
  127091
  Vladivostok,
  690950General
  DirectorGeneral
  DirectorA.A.
  AlekseyevDt.                               2006D.Ye.
  Yerokhin
  Seal hereDt.                                  2006Seal here  6