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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>I'm hoping someone has a suggestion for us. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>We have an ITSP that sends inbound traffic to us. Unannounced to us last week they started alternately sending traffic from two IP addresses, instead of the one we knew about. Some calls would pass, and others would be dumped as unauthenticated.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>I added the 2<sup>nd</sup> IP to the sip.conf file to allow for this, and everything was fine until this morning.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>This morning the first IP started being rejected even though it was listed in the sip.conf file. As soon as I commented out the .45 IP address that I added last week traffic flowed again.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>We need to authorize traffic from both IP addresses.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>Any suggestions? <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>Sip.conf:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>[incoming-trunk]<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>type=peer<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>insecure=port,invite<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>context=default-incoming<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>host=XX.XXX.XXX.40<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>canreinvite=nonat<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>qualify=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>disallow=all<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>allow=ulaw<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>nat=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>[incoming-trunk]<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>type=peer<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>insecure=port,invite<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>context=default-incoming<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>host=XX.XXX.XXX.45<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>canreinvite=nonat<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>qualify=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>disallow=all<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>allow=ulaw<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>nat=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>Default-incoming in extensions.conf is:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>[default-incoming]<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>; Create extensions 1234 & 1235 for evaluating echo latency.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1234,1,Playback(demo-echotest) ; Let them know what's going on<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1234,n,Playback(beep) ; Beep to let them know the test has started<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1234,n,Echo ; Do the echo test<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1234,n,Playback(demo-echodone) ; Let them know it's over<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1234,n,Goto(s,6) ; Start over<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>; send a 1KHz test tone<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1235,1,MilliWatt<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>; play the hold music<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1236,1,Answer<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => 1236,n,MusicOnHold(default)<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'>exten => _X.,1,Dial(DAHDI/R0/${EXTEN:4})<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#0037E6'><o:p> </o:p></span></p></div></body></html>