E1/T1
A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
Modern design and use of advanced technologies in the field of data and multimedia information makes this fashion phone indispensable in negotiating and managing geographically dispersed offices. Based on the concept of „All-in-one” AP-VP300 videophone offers following services: VoIP, video conferencing, data routing, "Video on Demand”, „IPTV”, video surveillance, media player, it can act as a receiver/source for audio/video broadcast and can be used for "Distant Education".
Central Telegraph
JSC Central Telegraph is one of the leading carriers in Russia; its history is more than 150 years long. The history of Central Telegraph is closely related with the development of communication in Russia. Telecommunication technologies developed, the lif
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