Introduction - If you have any usage issues, please Google them yourself
PSTN to PSTN Dialing via SIP Network.This i 's a representation, as a slide show. of the SIP examples detailed in RFC 3666- RFC366 6 SIP PSTN Call Flow.
Packet : 17869306ti-sip3666-4.2(v1.1).rar filelist
Ti-SIP 3666-4.2 (v1.1).pdf