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.
Surfcreek Communications, Inc.
Surfcreek Communications is a Pittsburgh, Pennsylvania based Wholesale and Retail VOIP Carrier. Surfcreek has interconnection agreements with more than 150 carriers worldwide. We operate switches in POP's in New York, Los Angeles and London. Our goals are
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