[general] TRUNK=Zap/g1 static=yes writeprotect=yes [local-phones] include => outbound-pstn include => services exten => 3000,1,Dial(SIP/grandstream1,20,tT) exten => 3000,2,Hangup exten => 3001,1,Dial(SIP/xlite1,20,tT) exten => 3001,2,Hangup exten => 3002,1,Dial(SIP/xlite2,20,tT) exten => 3002,2,Hangup [services] ; demo echo test 'extension 121' exten => 121,1,NoCDR() exten => 121,2,Answer exten => 121,3,Playback(demo-echotest) exten => 121,4,Playback(beep) exten => 121,5,Echo exten => 121,6,Playback(demo-echodone) exten => 121,7,Hangup [inbound-pstn] exten => _.,1,Dial(SIP/grandstream1&SIP/xlite1&SIP/xlite2,20,tT) exten => _.,2,hANGUP [outbound-pstn] exten => _[89]XXXXX.,1,Dial(Zap/g1/${EXTEN}) exten => _0[28]XXXX.,1,Dial(ZAP/g1/${EXTEN}) exten => _04XXXXX.,1,Dial(ZAP/g1/${EXTEN})