Equant (Orange BS)
Phone: +7 (495) 620-95-00 / 705-92-29
Fax: +7 (495) 620-94-84

Metrocom
Phone: +7 (812) 118-31-22
Fax: +7 (812) 118-31-12

Relline
Phone: +7 (495) 916-51-79
Fax: +7 (495) 681-32-82

COMSTAR
Phone: +7 (495) 234-38-75
Fax: +7 (495) 956-02-38

PETERSTAR
Phone: +7 (812) 329-98-87
Fax: +7 (812) 329-90-01

Macomnet
Phone: +7 (495) 796-90-07 / 250-66-37
Fax: +7 (495) 973-40-10 / 230-60-05

MTU INFORM
Phone: +7 (495) 721-34-71
Fax: +7 (495) 258-78-70

Golden Telecom (Sovintel)
Phone: +7 (495) 787-10-00
Fax: +7 (495) 787-10-10

See also: Hardware and Software requirements.