SS7
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URL: http://forum.onestoptesting.com/forum_posts.asp?TID=376
Printed Date: 03Feb2025 at 9:52pm
Topic: SS7
Posted By: vidhya
Subject: SS7
Date Posted: 29Mar2007 at 1:58am
SS7 - Signaling System 7
SS7 supports the exchange of special-purpose messages on public
telephone networks. For example, using SS7, telephone companies can
implement modern consumer telephone services such as call forwarding.
SS7 messages pass over a separate channel than that used for voice
communication. This technique is commonly referred to as "out of band"
signaling.
Out-of-band communication techniques like those in SS7 are commonly
utilized in computer networking. The File Transfer Protocol (FTP), for
example, communicates out-of-band by utilizing two different channels
and TCP port numbers, one for data traffic and one for "control"
information.
What is VoIP?
VoIP is a technology that allows telephone calls to be made over computer networks like the Internet.
VoIP converts analog voice signals into digital data packets and
supports real-time, two-way transmission of conversations using Internet Protocol (IP).
VoIP calls can be made on the Internet using a VoIP service provider
and standard computer audio systems. Alternatively, some service
providers support VoIP through ordinary telephones that use special
adapters to connect to a home computer network. Many VoIP
implementations are based on the http://www.beijinginsight.com/tester/viewtopic.php?t=82 -
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