Old documentation
VoIP - PSTN gateway Connect the existing PBX to alternative VoIP providers.
Connecting to IAXTel IAX_number - it's the number that iaxtel provides...
H323 To SIP Signalling Proxy Yate is proxying between the H.323 and SIP protocols.
SIP SBC - session border controller
SS7 - Initiation PHP - External modules YAYPM- Yet Another Python Module Javascript - Initiation Jabber server