Resumen de Voice over IP with Asterisk
Asterisk is a software based PBX that runs under Linux "BSDs and Mac OS X. IT can also be used as a VoIP gateway and can provide a bridge to the PSTN (Public Switched Telephone Network, a.k.a. Plain Old Telephone Service). IAX (Internet Asterisk eXchange), pronunced "eeks", is a protocol used by Asterisk as an alternative to SIP, H.323, etc. when connecting to other VoIP devices that support IAX.
