DNIS Support

DNIS Support

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.

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Detailed description of SIP protocol

Detailed description of SIP protocolSIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.

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United Kingdom Annatel Global Networks

The Annatel Networks company is registered in France. We offer a telephony service via Internet accessible throughout the world. Annatel offers innovative services in the field of telecoms, pushing the boundaries of technology and threatening the supremac

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