Thursday, December 10, 2015

Asterisk

https://en.wikipedia.org/wiki/Asterisk_(PBX)
http://www.voip-info.org/wiki/view/Asterisk+SIP+not-proxy



Asterisk can thus be described best as a "back-to-back user agent" (B2BUA), which is also consistent with the use of the term "PBX".


















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