Exhibit 4.18.4  Additional Agreement No. 4  To the Contract on Network Connection between OAO Rostelecom
and OJSC Dalsvyaz No. 1-DVFdated August 01, 2003
as amended by the Agreement dated January 01, 2006 Moscow
  
  August 10 2007  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 No. 1-DVFdated August 01,
2003 as amended by the Agreement dated January 01, 2006 (hereinafter, the
Contract), as follows:  1.Section 1 shall be
supplemented with Clause 1.12 as follows:  1.12Service of
zone termination of call to a mobile telecommunication network shall mean the
service of zone termination of call to the Operators mobile telecommunication
network which is not identifiable geographically within the RF territory and
using the numbering capacity of the numbering zone which is not identifiable
geographically, and the service of zone termination of call to a mobile
telecommunication network which is  not
identifiable geographically within the RF territory and using the numbering
capacity of the numbering zone which is not identifiable geographically,
another operator with zone call transit within the territory of a single
settlement.  2.Clause 1.12
of the Contract shall be marked as Clause 1.13and set forth as follows:  1.13Traffic
Admission Services  shall mean
the service of zone initiation of call from the Operators network; the service
of zone initiation of call from an Associated Operators network in connection
with Rostelecoms rendering to Users of long-distance and international
telecommunication services and the service of zone termination of call to an
Associated Operators network, the service of zone termination of call to the
Operators network; and the service of zone termination of call to a mobile
telecommunication network.  3.Clause 6.1.2 of the Contract
shall be amended as follows:  6.1.2.In the course
of rendering Traffic Admission Services including connections through codes 803
X1X2X3, tariffing is performed per second from
the 1st second of connection. The total volume for each service during the
Accounting Period is approximated to full minutes in the direction of the bigger
figure.  4.Clauses 6.1.3
and 6.1.4 of the Contract to be deleted.  5.Clause 6.6.2 of the Contract
shall be supplemented with a subparagraph as follows:  
e) on the volumes of Services rendered for zone termination of call to the
mobile telecommunication network.  6.Clause 6.7.1 of the Contract
shall be supplemented with a subparagraph as follows:  e)
for Services rendered for zone termination of call to the mobile
telecommunication network.  1


7.Clause 1.1 Appendix 1 of the
Contract shall be amended as follows:  1.1.Traffic admission Services rendered by
the  Operator:  Billing rate,rouble/minABC
  
  ABC
  
  ABC
  
  ABC
  
  ABC
  
  ABC
  
  ABCNo.
  
  Description of the service
  
  =416
  
  =415
  
  =426
  
  =424
  
  =423
  
  =421
  
  =4131
  
  Zone initiation of call
  from the Operators network
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.522
  
  Zone initiation of call
  from the network of the Associated Operator
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.523
  
  Zone termination of call
  to the Operators network
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.524
  
  Zone termination of call
  to the network of the Associated Operator
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.52
  
  1.525
  
  Service of zone
  termination of call to the Operators mobile telecommunication network which
  is not identifiable geographically within the RF territory and using the
  numbering capacity of the numbering zone which is not identifiable
  geographically
  
  0
  
  0.95
  
  0
  
  0
  
  0
  
  0
  
  0.956
  
  Service of zone
  termination of call to a mobile telecommunication network which is not
  identifiable geographically within the RF territory and using the numbering
  capacity of the numbering zone which is not identifiable geographically, of
  another operator with call zone transit within the territory of a single
  settlement.
  
  1,04
  
  1.05
  
  1.04
  
  1.06
  
  1.03
  
  1.04
  
  1.06  »  8.Item 1) of Note of Appendix No. 1
to the Contract shall be amended as follows:  1)
In the course of settlements for rendered service of zone initiation of call
from the Operators network except for traffic through codes 80X, in addition
to the accounting rate a compensation charge shall be levied which charge is
established, as from January 1, 2006, in accordance with Order N736-c/10
of the RF Federal Tariff Service dated December 12, 2005, in the amount of
0.78 roubles rubles per minute, and a compensation charge established, as from February 1,
2007 in accordance with Order of the RF Federal Tariff Service No. 280-c/4
dated November 17, 2006, in the amount of 0.54 rubles per minute.  2


 Appendix No. 4
shall be amended as follows:  Appendix No. 4
to Contract No.1-DVF
dated August 01, 2003 as amended by the Agreement on January 01, 2006  Traffic Admission Services Report Form Under Contract No.               
dt. for                       
month  This Report is drawn up between Rostelecom, Open Joint-Stock Company
for Long-Distance and International Telecommunications, hereinafter, Rostelecom,
represented by                                authorized
to act by Power of attorney No.                                              
dt.                     
on the one part, and     OJSC Dalsvyaz , hereinafter
referred to as Operator represented by                                                           ,    acting
on the ground of                                                                               ,
hereinafter altogether referred to as the Parties, confirming the following
services rendered by Operator to Rostelecom: Services rendered by the Operator  Ref.
  No.
  
  Description of the service
  
  Measurement
  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
  
  Zone initiation of call
  from the Operators network2
  
  Zone initiation of call
  from the network of the Associated Operator3
  
  Zone termination of call
  to the Operators network4
  
  Zone termination of call
  to the network of the Associated Operator5
  
  Service of zone
  termination of call to the Operators mobile telecommunication network which
  is not identifiable geographically within the RF territory and using the
  numbering capacity of the numbering zone which is not identifiable
  geographically6
  
  Service of zone
  termination of call to a mobile telecommunication network which is not
  identifiable geographically within the RF territory and using the numbering
  capacity of the numbering zone which is not identifiable geographically, of
  another operator with call zone transit within the territory of a single
  settlement.7
  
  Update of the information on
  Subscribers of the Operator8
  
  Update of the information on
  subscribers of Associated OperatorsTotal  The rendered services cost
aggregated                  ,
including VAT               . The services were presented
properly and according to Agreement terms.  Note: The
Parties shall sign the Services Report on each Operators affiliate providing
services and Consolidated Report on services rendered in general by the
Operator  3


For
  Rostelecom:
  For
  Operator:OAO
  Rostelecom
  OJSC
  Dalsvyaz200
  200Seal
  here
  Seal
  here  »  9.Clause 5 of Appendix No.5 to
the Contract shall be supplemented with the following sub-paragraphs:  
e) on the volumes of services rendered for zone termination of call to the
Operators mobile telecommunication network which is not identifiable
geographically within the RF territory and using the numbering capacity of the
numbering zone which is  not identifiable
geographically  f) on the volumes of services rendered for
zone termination of call to a mobile telecommunication network which is not
identifiable geographically within the RF territory and using the numbering
capacity of the numbering zone which is 
not identifiable geographically, of another operator with call zone
transit within the territory of a single settlement.  10.All terms used in this
Agreement have a meaning, fixed for them in the Contract.  11.All the rest, not indicated
in this Agreement, is subject to the provisions of the Contract.  12.The agreement is issued in
the Russian language in two copies, one for 
each Party.  13.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
as amended by the Agreement dated January 01, 2006. The Parties recognize
that the terms and conditions of their Agreement, except for Clauses 3 and 4,
shall apply to their relations arising as from July 01, 2006.  14.The Parties recognize that
this Agreement, with regard to Clauses 3 and 4 of the Agreement, shall apply to
relations between the Parties arising as from January 01, 2007.  15.Details and Signatures of
the Parties  AO Rostelecom:
  OJSC DalsvyazLegal address:
  Legal address:15, Dostoyevsky st.,
  57, Svetlanskaya st.,Saint Petersburg, 191002
  Vladivostok, 690950General Director
  General DirectorD.Ye. Yerokhin
  A.A.
  Alekseyev2007
  2007Seal here
  Seal here  4