E1/T1

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).

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DNIS Support

DNIS SupportThe service for determining from which number a client has called. This helps to decide how to answer on the incoming call. A telephone company sends DNIS number to the telephone client’s system during establishing connection. As a rule, DNIS number consists from 4 to 10 digits.

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United States First Communications, LLC

First Communications is an integrated telecommunications company providing local, long-distance and data services to over 200,000 residential and commercial customers throughout the country. Over the past 8 years, First Communications has become one of th

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