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The top documents tagged [pstn telephony]
VoIP Presentation
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Adobe Connect powered by Arkadin
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What is VoIP?. PC-to-PC telephone call – no PSTN Tandem switch replacement (with or w/or IP) – Interexchange carriers. Copyright 2005-2013 © by Elliot
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Internet, Part 2 1) Session Initiating Protocol (SIP) 2) Quality of Service (QoS) support 3) Mobility aspects (terminal vs. personal mobility) 4) Mobile
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NGNs – Network Nirvana? David Goldie, Chairman. This document is uncontrolled if printed or saved to a non-authorised site. Slide 2 Opal, the B2B division
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