search for: t38udpfec

...ation/sdp Content-Length: 293 v=0 o=root 2048302926 2048302927 IN IP4 xx.xx.xx.xx s=Asterisk PBX 1.6.2.7-rc3 c=IN IP4 xx.xx.xx.xx t=0 0 m=image 4575 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxFillBitRemoval a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:1400 a=T38FaxUdpEC:t38UDPFEC SIP/2.0 400 Bad Request ... CSeq: 102 INVITE Error-Info: <sip:+number at xx.xx.xx.xx>;cause="[line 023] SIP syntax error" Content-Length: 0 WARNING[32389] app_fax.c: Transmission error

Hi, folks. I'm having a heck of a time trying to get outgoing T38 faxing (I don't need inbound right now) working with FFA and Gafachi. G711 faxing works (as well as can be expected over the internet), but I want the higher reliability of T38. I'm running Asterisk 10-beta1. When I drop my callfile in to make the call, I get this: -- Attempting call on SIP/18884732963 at

...UDPTL (SIP/runcentral_outbound-00000074): Buffer overflow detected (59 + 134 > 175) Has anyone ever seen this before? I have the following configuration. udptl.conf: [general] udptlstart = 4000 udptlend = 4999 udptlfecentries = 3 udptlfecspan = 3 use_even_ports = no T38FaxUdpEC = t38UDPFEC udptlchecksums = no sip.conf: faxdetect=yes t38pt_rtp=no t38pt_tcp=no t38pt_udptl=yes,fec t38pt_usertpsource=yes Any help at all would be greatly appreciated. Thanks; John Tech Support Tech Support VoIP Business Solutions 240-215-3479 <mailto:fsd at voipbusiness.us> sup...

...PTL end configure start and end addresses ; udptlstart=4000 udptlend=4999 ; ; Whether to enable or disable UDP checksums on UDPTL traffic ; ;udptlchecksums=no ; ; The number of error correction entries in a UDPTL packet ; udptlfecentries = 3 ; ; The error correction type to be sent ; ;T38FaxUdpEC = t38UDPFEC T38FaxUdpEC = t38UDPRedundancy ; ; The maximum length of a UDPTL packet ; ;T38FaxMaxBuffer = 200 T38FaxMaxDatagram = 400 VoipFaxMaxRate = 5 ; The span over which parity is calculated for FEC in a UDPTL packet ; udptlfecspan = 3 ; ; Some VoIP providers will only accept an offer with an even-numbere...

...RTP bridge) Content-Type: application/sdp Content-Length: 257 v=0 o=root 473469291 473469292 IN IP4 172.16.2.1 s=Asterisk PBX 11.5.0 c=IN IP4 172.16.2.1 t=0 0 m=image 4506 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:849 a=T38FaxUdpEC:t38UDPFEC --- <--- SIP read from UDP:172.16.2.12:5061 ---> SIP/2.0 488 Not Acceptable Here To: myline <sip:myline at 172.16.2.1>;tag=2d2e7e5ad74dec0co1 From: <sip:4250 at 172.16.2.1>;tag=as1a0daffe Call-ID: c8278ef2-b80a5454 at 172.16.2.12 CSeq: 102 INVITE Via: SIP/2.0/UDP 172.16.2.1:5060...

...plication/sdp Content-Length: 287 v=0 o=root 2087714374 2087714375 IN IP4 192.168.0.10 s=Asterisk PBX 11.18.0 c=IN IP4 192.168.0.10 t=0 0 m=image 5720 udptl t38 c=IN IP4 192.168.0.10 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:849 a=T38FaxUdpEC:t38UDPFEC <--- Transmitting SIP response (376 bytes) to UDP:192.168.0.10:5060 ---> SIP/2.0 488 Not Acceptable Here Via: SIP/2.0/UDP 192.168.0.10:5060;rport=5060;received=192.168.0.10;branch=z9hG4bK4fd84f1 7 Call-ID: 57283616-94e0-4052-bdff-491b31fdd229 From: <sip:40ZZZZZZ at gw.sysnux.pf>;tag=as...

Hi All I have been looking around and haven not been able to find a working example I have a fresh/new install of Asterisk 1.6.2.0 with dahdi 2.2.1 and libpri 1.4.10.2 I use a sangoma A200 card so I am using wanpipe 3.4.7 If I use zaptel which I read I need for app_rxfax then asterisk crashes with segfaults on startup asterisk[2624]: segfault at 30353466 ip b7eb538b sp bffda26c error 4 in

...ype: application/sdp Content-Length: 269 v=0 o=root 505811356 505811358 IN IP4 ZZZ.ZZZ.ZZZ.ZZZ s=Asterisk PBX 10.5.0-digiumphones c=IN IP4 ZZZ.ZZZ.ZZZ.ZZZ t=0 0 m=image 4464 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:2400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:507 a=T38FaxUdpEC:t38UDPFEC --- <--- SIP read from UDP:XXX.XXX.XXX.XXX:5060 ---> SIP/2.0 100 Trying Via: SIP/2.0/UDP YYY.YYY.YYY.YYY:5060;branch=z9hG4bK7ef2185a;rport=5060 From: <sip:6024667281 at YYY.YYY.YYY.YYY>;tag=as40d4ca92 To: <sip:4803836933 at XXX.XXX.XXX.XXX;isup-oli=0>;tag=gK020b0efc Call-ID: 335...

...ength: 288....v=0..o=root 2128364626 2128364627 IN IP4 209.167.0.151..s=Asterisk PBX 1.6.1.1..c=IN IP4 209.167.0.151..t=0 0..m= image 4240 udptl t38..a=T38FaxVersion:0..a=T38MaxBitRate:9600..a=T38FaxRateManagement:transferredTCF..a=T38FaxMaxBuffer:400..a= T38FaxMaxDatagram:400..a=T38FaxUdpEC:t38UDPFEC.. # U 2009/07/15 22:30:12.141353 74.13.233.143:5060 -> 209.167.0.151:5060 SIP/2.0 100 Trying..Via: SIP/2.0/UDP 209.167.0.151:5060;branch=z9hG4bK00000000;received=209.167.0.151;rport=5060..From: <sip:19 05 at 20...

...cation/sdp Content-Length: 290 v=0 o=root 525135648 525135648 IN IP4 192.168.222.160 s=Asterisk PBX 1.6.0.6 c=IN IP4 192.168.222.160 t=0 0 m=image 4222 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:9600 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:400 a=T38FaxMaxDatagram:400 a=T38FaxUdpEC:t38UDPFEC # U +0.015757 10.100.222.201:5060 -> 192.168.222.160:5060 SIP/2.0 488 Not Acceptable Media Reason: Q.850;cause=65 Date: Tue, 10 Mar 2009 11:29:18 GMT From: "22222" <sip:22222 at 192.168.222.160 <sip%3A22222 at 192.168.222.160> >;tag=as43e12927 Allow-Events: telephone-event...

...4 XX.XX.XX.66 s=Asterisk PBX 1.6.0.5 c=IN IP4 XX.XX.XX.66 t=0 0 m=image 4729 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:9600 a=T38FaxFillBitRemoval:0 a=T38FaxTranscodingMMR:0 a=T38FaxTranscodingJBIG:0 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:400 a=T38FaxMaxDatagram:400 a=T38FaxUdpEC:t38UDPFEC --- engeplus*CLI> <--- SIP read from UDP://XX.XX.XX.67:1024 ---> SIP/2.0 100 Trying From: sip:2007 at XX.XX.XX.66;tag=as46031e07 To: 2005618<sip:2005618 at XX.XX.XX.66>;tag=74tf2-7Q4xE0 Call-ID: CcD6S0-VFf0Z8f2 at XX.XX.XX.66 CSeq: 102 INVITE Via: SIP/2.0/UDP XX.XX.XX.66:5060;branch...