August 1999
Intermediate to advanced
328 pages
8h 50m
English
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SUMMARY
Gatekeepers and Call Agents are the brains of the VoIP network. Gateways are the muscle. The Gateways act on the directions for the Gatekeepers and the Call Agents.
H.232 and the MGCP are based on the user of Gateways, Gatekeepers, and Call Agents. All are partners in setting up, maintaining and tearing down the telephony connections of the VoIP.