UNTC Company uses resolutions under mark SI3000 which provide compatibility with networks of various generations. The equipment of this ruler gives a basis for convergence of the fixed and mobile networks.

SI3000 MSAN provides all types of broadband access — ADSL2 +, SHDSL, FE before classical POTS-access.

UNTC uses integrated product SI3000 MSAN (Multi Service and Access Node) which unites all forms of access.

System basis SI3000 MSAN is the section in which 20 demountable blocks are established. The section connects the central switching module with network interfaces, user's board ADSL and g. SHDSL, and also boards with speech dividers. One section SI3000 MSAN is calculated on connection of 608 subscribers DSL. Telephone services are provided with narrow-band knot SI3000 SAN or AN, or standard knot of any other firm-manufacturer of telephone exchanges. In one case with the standard size of 2,2 m it is possible to place 3 sections with 1824 subscribers of broadband access. The open architecture of construction of system allows using new xDSL technologies.

SI3000 Call Server renders services of management by calls (vocal and video-sessions), and also services for classical and corporate groups of users. Thus granting of services is carried out through an existing infrastructure (networks of broadband access and so forth). The switchboard also provides interaction with united networks alarm systems №7, has possibility to support alarm systems with the allocated alarm channel which have become outdated, but are still widely used in national networks

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