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).
The 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.
IPPN Networks LTD
IPPN Inc., is the leading provider of service delivery and creation systems for next-generation communication networks. IPPN`s mission is to enable rapid and economical design and deployment of powerful enhanced services to business and residential custom
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