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I S P  G L O S S A R Y
Your source for the most up-to-date terms, definitions, and acronyms for and about internet service providers.

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border
Last modified: Wednesday, May 02, 2007 

The handoff point of any IP-enabled infrastructure. This is where a session passes from one network to another and can be defined as the edge of a carrier's network or the point between an enterprise and its carrier.

  Related Links

Enterprise VoIP Planet
The IT Manager's Guide to Voice over IP

Network World: Session controller
A session controller provides services between H.323 and SIP endpoints. In effect, this hardware/software combination operates simultaneously as an H.323 gatekeeper and SIP proxy server. In addition, it provides the SIP/H.323 interworking function that enables any-to-any connectivity between endpoints.

Quick Reference: Internet Telephony
Internet telephony can be basically broken down into three categories consisting of PC-to-PC telephony, PC to Phone, and Phone to Phone.

Related Categories

Internet Telephony

Telecommunications

Related Terms

call

call agent

call controller

call detail record

call signaling

carrier

enterprise

Internet telephony

jitter

session border controller

session hijacking

Session Initiated Protocol

VoIP

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