SIP and IP Call Flow - Carrier Interconnect - Megaco
Length 116 minutes. 54-page 8.5" x 11" softcover bound student manual.
ISBN 1-894887-53-0.
The third course explains SIP and how connections are made. You 'll understand the SIP trapezoid, how it works, demystify jargon like proxy server and location server, understand how SIP fits in with softswitches and call managers, and trace the establishment of an IP phone call step by step.
In the second part, we'll cover connecting to carriers using traditional DS0 PBX trunks and PRIs, how Megaco fits in to the story, plus IP interconnect, co-existence with legacy systems, integrated messaging and more.
Teracom Video
Teracom DVD Video Course V10: Understanding VoIP 3
Teracom Video Tutorial VT-10: SIP Location Service
http://www.teracomtraining.com/video_courses.htm
https://www.teracomtraining.com/samples/video/v10-preview.htm
https://www.teracomtraining.com/samples/video/videotutorial-v10-sip-location-service.htm
https://www.youtube.com/watch?v=idAA7Iu98ZY