[Freeswitch-users] linksys spa-3102 fax t38 + freeswitch media proxy

Rob Forman rob4manhere at gmail.com
Wed Oct 7 17:11:54 PDT 2009


> Can you advise sip-providers offering t38?

Gafachi has T38 fax support.


On Oct 7, 2009, at 4:26 PM, Vladimir Elizarov wrote:

> Kristian Kielhofner пишет:
>> Since no one else has responded I'll chime in with some general  
>> advice.
>>
>> It's troubling to see that your "provider" is using Asterisk to face
>> you (the customer).
>>
>> I've never had any luck getting T.38 to work (at all, in any mode)
>> using Asterisk.  I've heard of other people making it work but
>> consider the chain here:
>>
>> Their provider (they appear to be using DIDx, hmmm) -> Callwithus
>> (using Asterisk) -> You (FreeSWITCH) -> Your device
>>
>> I don't see anything specific in your case but there are many, many
>> places for T.38 to go wrong in this scenario.  I'd recommend
>> attempting T.38 against a local gateway or known Tier 1 provider
>> supporting T.38 with known equipment.
>>
> Can you advise sip-providers offering t38?
>> Otherwise, do you have any updates for us?
>>
> No. I can not add anything.
>
>
>> On Tue, Oct 6, 2009 at 3:06 PM, Vladimir Elizarov
>> <xengelpublicx at gmail.com> wrote:
>>
>>> Hello.
>>>
>>> I want to set up faxing via the gateway linksys spa-3102 (with  
>>> support
>>> for t38) via SIP.
>>>
>>> SIP-client -> linksys spa3102 -> fs -> provider
>>>
>>>   <gateway name="callwithus">
>>>       ....
>>>       <param name="inbound-late-negotiation" value="true"/>
>>>       <param name="stun-enabled" value="true"/>
>>>   </gateway>
>>>
>>> <extension name="Fax">
>>>   <condition field="destination_number" expression="^(30)(\d{11})$">
>>>           <action application="set" data="proxy_media=true"/>
>>>           <action application="set" data="bypass_media=false"/>
>>>           <action application="bridge"
>>> data="sofia/gateway/callwithus/*4087$2 at sip.callwithus.com"/>
>>>       </condition>
>>> </extension>
>>>
>>> I make a call, press start on the fax. Fax not sent. Get this in  
>>> the log
>>> (UA freeswitch not trunk-12805):
>>>
>>>   
>>> ------------------------------------------------------------------------
>>>  INVITE sip:*408774957558438 at sip.callwithus.com SIP/2.0
>>>  Via: SIP/2.0/UDP  
>>> 77.239.230.202:5080;rport;branch=z9hG4bK8yjrHeUprX2Hr
>>>  Max-Forwards: 99
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302430 INVITE
>>>  Contact: <sip:gw+callwithus at 77.239.230.202:5080;transport=udp>
>>>  User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-12805
>>>  Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>>> REGISTER, REFER, NOTIFY
>>>  Supported: timer, precondition, path, replaces
>>>  Allow-Events: talk, refer
>>>  Content-Type: application/sdp
>>>  Content-Disposition: session
>>>  Content-Length: 250
>>>  Remote-Party-ID: "Mihailova Ludmila"
>>> <sip:214 at sip.callwithus.com>;party=calling;screen=yes;privacy=off
>>>
>>>  v=0
>>>  o=- 216896551 216896551 IN IP4 192.168.50.51
>>>  s=-
>>>  c=IN IP4 77.239.230.202
>>>  t=0 0
>>>  m=audio 32404 RTP/AVP 0 100 101
>>>  a=rtpmap:0 PCMU/8000
>>>  a=rtpmap:100 NSE/8000
>>>  a=fmtp:100 192-193
>>>  a=rtpmap:101 telephone-event/8000
>>>  a=fmtp:101 0-15
>>>  a=ptime:30
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> send 1333 bytes to udp/[38.99.70.232]:5060 at 15:05:34.485226:
>>>   
>>> ------------------------------------------------------------------------
>>>  INVITE sip:*408774957558438 at sip.callwithus.com SIP/2.0
>>>  Via: SIP/2.0/UDP  
>>> 77.239.230.202:5080;rport;branch=z9hG4bK97BHK9BtN6r4K
>>>  Max-Forwards: 99
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302431 INVITE
>>>  Contact: <sip:gw+callwithus at 77.239.230.202:5080;transport=udp>
>>>  Expires: 3600
>>>  User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-12805
>>>  Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>>> REGISTER, REFER, NOTIFY
>>>  Supported: timer, precondition, path, replaces
>>>  Allow-Events: talk, refer
>>>  Content-Type: application/sdp
>>>  Content-Disposition: session
>>>  Content-Length: 250
>>>  Remote-Party-ID: "Mihailova Ludmila"
>>> <sip:214 at sip.callwithus.com>;party=calling;screen=yes;privacy=off
>>>
>>>  v=0
>>>  o=- 216896551 216896551 IN IP4 192.168.50.51
>>>  s=-
>>>  c=IN IP4 77.239.230.202
>>>  t=0 0
>>>  m=audio 32404 RTP/AVP 0 100 101
>>>  a=rtpmap:0 PCMU/8000
>>>  a=rtpmap:100 NSE/8000
>>>  a=fmtp:100 192-193
>>>  a=rtpmap:101 telephone-event/8000
>>>  a=fmtp:101 0-15
>>>  a=ptime:30
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 100 Giving a try
>>>  Via: SIP/2.0/UDP
>>> 192.168.50.10:5080;rport=5080;branch=z9hG4bK97BHK9BtN6r4K
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302431 INVITE
>>>  Server: CWU SIP GW
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> recv 836 bytes from udp/[38.99.70.232]:5060 at 15:05:49.641312:
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 183 Session Progress
>>>  Via: SIP/2.0/UDP
>>> 192.168.50.10:5080;rport=5080;branch=z9hG4bK97BHK9BtN6r4K
>>>  Record-Route:
>>> <sip:38.99.70.232;lr=on;ftag=HXjrDKpHHX8ZN;did=e8e.089fc2b6>
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302431 INVITE
>>>  User-Agent: CWU SIP-GW
>>>  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
>>>  Supported: replaces
>>>  Contact: <sip:*408774957558438 at 204.74.213.1:5062>
>>>  Content-Type: application/sdp
>>>  Content-Length: 209
>>>
>>>  v=0
>>>  o=root 31797 31797 IN IP4 4.55.17.66
>>>  s=session
>>>  c=IN IP4 4.55.17.66
>>>  t=0 0
>>>  m=audio 14104 RTP/AVP 0 101
>>>  a=rtpmap:0 PCMU/8000
>>>  a=rtpmap:101 telephone-event/8000
>>>  a=fmtp:101 0-16
>>>  a=ptime:20
>>>  a=sendrecv
>>>   
>>> ------------------------------------------------------------------------
>>> v=0
>>> o=root 31797 31797 IN IP4 4.55.17.66
>>> s=session
>>> c=IN IP4 4.55.17.66
>>> t=0 0
>>> m=audio 14104 RTP/AVP 0 101
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=ptime:20
>>>
>>> 2009-10-06 19:03:31.112988 [NOTICE] sofia.c:3449 Pre-Answer
>>> sofia/external/*408774957558438 at sip.callwithus.com!
>>> 2009-10-06 19:03:31.112988 [DEBUG] switch_channel.c:1822 Send signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia_glue.c:2095 Set Codec
>>> sofia/external/*408774957558438 at sip.callwithus.com PROXY/8000 20  
>>> ms 160
>>> samples
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia_glue.c:2372 PROXY AUDIO RTP
>>> [sofia/external/*408774957558438 at sip.callwithus.com]
>>> 192.168.50.10:32404->4.55.17.66:14104 codec: 0 ms: 20
>>> 2009-10-06 19:03:31.112988 [DEBUG] switch_rtp.c:1163 Not using a  
>>> timer
>>> 2009-10-06 19:03:31.112988 [DEBUG] switch_ivr_originate.c:2154
>>> sofia/internal/214 at pbx0.tssec.lan receive message [PROGRESS]
>>> 2009-10-06 19:03:31.112988 [INFO] switch_ivr_originate.c:2154  
>>> Sending
>>> early media
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia_glue.c:1322
>>> sofia/internal/214 at pbx0.tssec.lan Patched SDP
>>> ---
>>> v=0
>>> o=root 31797 31797 IN IP4 4.55.17.66
>>> s=session
>>> c=IN IP4 4.55.17.66
>>> t=0 0
>>> m=audio 14104 RTP/AVP 0 101
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=ptime:20
>>>
>>> +++
>>> v=0
>>> o=root 31797 31797 IN IP4 4.55.17.66
>>> s=session
>>> c=IN IP4 192.168.50.10
>>> t=0 0
>>> m=audio 32698 RTP/AVP 0 101
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=ptime:20
>>>
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia_glue.c:2372 PROXY AUDIO RTP
>>> [sofia/internal/214 at pbx0.tssec.lan]
>>> 192.168.50.10:32698->192.168.50.51:16474 codec: 0 ms: 30
>>> 2009-10-06 19:03:31.112988 [DEBUG] switch_rtp.c:1163 Not using a  
>>> timer
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia_glue.c:2508 Set comfort  
>>> noise
>>> payload to 13
>>> 2009-10-06 19:03:31.112988 [DEBUG] sofia.c:3462
>>> sofia/internal/214 at pbx0.tssec.lan receive message [PROGRESS]
>>> 2009-10-06 19:03:31.116989 [NOTICE] mod_sofia.c:1521 Pre-Answer
>>> sofia/internal/214 at pbx0.tssec.lan!
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_ivr_originate.c:2196  
>>> Originate
>>> Resulted in Success: [sofia/external/*408774957558438 at sip.callwithus.com 
>>> ]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_channel.c:182
>>> sofia/external/*408774957558438 at sip.callwithus.com receive message
>>> [AUDIO_SYNC]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_channel.c:182
>>> sofia/internal/214 at pbx0.tssec.lan receive message [AUDIO_SYNC]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_ivr_bridge.c:911
>>> sofia/external/*408774957558438 at sip.callwithus.com receive message  
>>> [BRIDGE]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/external/*408774957558438 at sip.callwithus.com [BREAK]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_ivr_bridge.c:918
>>> sofia/internal/214 at pbx0.tssec.lan receive message [BRIDGE]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_ivr_bridge.c:962
>>> (sofia/external/*408774957558438 at sip.callwithus.com) State Change
>>> CS_CONSUME_MEDIA -> CS_EXCHANGE_MEDIA
>>> 2009-10-06 19:03:31.116989 [DEBUG] sofia.c:3359 Channel
>>> sofia/internal/214 at pbx0.tssec.lan entering state [early][183]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_session.c:932 Send  
>>> signal
>>> sofia/external/*408774957558438 at sip.callwithus.com [BREAK]
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_state_machine.c:306
>>> (sofia/external/*408774957558438 at sip.callwithus.com) Running State
>>> Change CS_EXCHANGE_MEDIA
>>> 2009-10-06 19:03:31.116989 [DEBUG] switch_core_state_machine.c:343
>>> (sofia/external/*408774957558438 at sip.callwithus.com) State  
>>> EXCHANGE_MEDIA
>>> 2009-10-06 19:03:31.116989 [DEBUG] mod_sofia.c:430 SOFIA LOOPBACK
>>> recv 822 bytes from udp/[38.99.70.232]:5060 at 15:05:58.503701:
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 200 OK
>>>  Via: SIP/2.0/UDP
>>> 192.168.50.10:5080;rport=5080;branch=z9hG4bK97BHK9BtN6r4K
>>>  Record-Route:
>>> <sip:38.99.70.232;lr=on;ftag=HXjrDKpHHX8ZN;did=e8e.089fc2b6>
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302431 INVITE
>>>  User-Agent: CWU SIP-GW
>>>  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
>>>  Supported: replaces
>>>  Contact: <sip:*408774957558438 at 204.74.213.1:5062>
>>>  Content-Type: application/sdp
>>>  Content-Length: 209
>>>
>>>  v=0
>>>  o=root 31797 31798 IN IP4 4.55.17.66
>>>  s=session
>>>  c=IN IP4 4.55.17.66
>>>  t=0 0
>>>  m=audio 14104 RTP/AVP 0 101
>>>  a=rtpmap:0 PCMU/8000
>>>  a=rtpmap:101 telephone-event/8000
>>>  a=fmtp:101 0-16
>>>  a=ptime:20
>>>  a=sendrecv
>>>   
>>> ------------------------------------------------------------------------
>>> send 762 bytes to udp/[38.99.70.232]:5060 at 15:05:58.507702:
>>>   
>>> ------------------------------------------------------------------------
>>>  ACK sip:*408774957558438 at 204.74.213.1:5062 SIP/2.0
>>>  Via: SIP/2.0/UDP  
>>> 192.168.50.10:5080;rport;branch=z9hG4bKaH59m4vXjFFQF
>>>  Route: <sip:38.99.70.232;lr=on;ftag=HXjrDKpHHX8ZN;did=e8e.089fc2b6>
>>>  Max-Forwards: 70
>>>  From: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  To: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 121302431 ACK
>>>  Contact: <sip:gw+callwithus at 77.239.230.202:5080;transport=udp>
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> 2009-10-06 19:03:39.975377 [DEBUG] sofia.c:3359 Channel
>>> sofia/external/*408774957558438 at sip.callwithus.com entering state
>>> [ready][200]
>>> 2009-10-06 19:03:39.975377 [DEBUG] switch_channel.c:1935 Send signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:39.975377 [NOTICE] sofia.c:3814 Channel
>>> [sofia/external/*408774957558438 at sip.callwithus.com] has been  
>>> answered
>>> 2009-10-06 19:03:39.975377 [DEBUG] switch_channel.c:182
>>> sofia/external/*408774957558438 at sip.callwithus.com receive message
>>> [AUDIO_SYNC]
>>> 2009-10-06 19:03:39.975377 [DEBUG] sofia.c:3819
>>> sofia/internal/214 at pbx0.tssec.lan receive message [ANSWER]
>>> 2009-10-06 19:03:39.975377 [DEBUG] sofia_glue.c:1322
>>> sofia/internal/214 at pbx0.tssec.lan Patched SDP
>>> ---
>>> v=0
>>> o=root 31797 31797 IN IP4 4.55.17.66
>>> s=session
>>> c=IN IP4 4.55.17.66
>>> t=0 0
>>> m=audio 14104 RTP/AVP 0 101
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=ptime:20
>>>
>>> +++
>>> v=0
>>> o=root 31797 31797 IN IP4 4.55.17.66
>>> s=session
>>> c=IN IP4 192.168.50.10
>>> t=0 0
>>> m=audio 32698 RTP/AVP 0 101
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=ptime:20
>>>
>>> 2009-10-06 19:03:39.975377 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:39.975377 [NOTICE] sofia.c:3819 Channel
>>> [sofia/internal/214 at pbx0.tssec.lan] has been answered
>>> 2009-10-06 19:03:39.975377 [DEBUG] switch_channel.c:182
>>> sofia/internal/214 at pbx0.tssec.lan receive message [AUDIO_SYNC]
>>> 2009-10-06 19:03:39.975377 [DEBUG] sofia.c:3359 Channel
>>> sofia/internal/214 at pbx0.tssec.lan entering state [completed][200]
>>> 2009-10-06 19:03:39.991381 [DEBUG] sofia.c:3359 Channel
>>> sofia/internal/214 at pbx0.tssec.lan entering state [ready][200]
>>> recv 1054 bytes from udp/[38.99.70.232]:5060 at 15:06:05.577607:
>>>   
>>> ------------------------------------------------------------------------
>>>  INVITE sip:gw+callwithus at 192.168.50.10:5080;transport=udp SIP/2.0
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKc406.1d5670f7.0
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK41d48157;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Contact: <sip:*408774957558438 at 204.74.213.1:5062>
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 102 INVITE
>>>  User-Agent: CWU SIP-GW
>>>  Max-Forwards: 69
>>>  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
>>>  Supported: replaces
>>>  X-asterisk-info: SIP re-invite (T38 switchover)
>>>  Content-Type: application/sdp
>>>  Content-Length: 350
>>>
>>>  v=0
>>>  o=root 31797 31799 IN IP4 32.50.63.192
>>>  s=session
>>>  c=IN IP4 32.50.63.192
>>>  t=0 0
>>>  m=image 14104 udptl t38
>>>  a=T38FaxVersion:0
>>>  a=T38MaxBitRate:9600
>>>  a=T38FaxFillBitRemoval:0
>>>  a=T38FaxTranscodingMMR:0
>>>  a=T38FaxTranscodingJBIG:0
>>>  a=T38FaxRateManagement:transferredTCF
>>>  a=T38FaxMaxBuffer:176
>>>  a=T38FaxMaxDatagram:176
>>>  a=T38FaxUdpEC:t38UDPRedundancy
>>>   
>>> ------------------------------------------------------------------------
>>> send 443 bytes to udp/[38.99.70.232]:5060 at 15:06:05.577607:
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 100 Trying
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKc406.1d5670f7.0
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK41d48157;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 102 INVITE
>>>  User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-12805
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia.c:3359 Channel
>>> sofia/external/*408774957558438 at sip.callwithus.com entering state
>>> [received][100]
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia.c:3366 Remote SDP:
>>> v=0
>>> o=root 31797 31799 IN IP4 32.50.63.192
>>> s=session
>>> c=IN IP4 32.50.63.192
>>> t=0 0
>>> m=image 14104 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:9600
>>> a=T38FaxFillBitRemoval:0
>>> a=T38FaxTranscodingMMR:0
>>> a=T38FaxTranscodingJBIG:0
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:176
>>> a=T38FaxMaxDatagram:176
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia.c:3683 Passing SDP to  
>>> other leg.
>>> v=0
>>> o=root 31797 31799 IN IP4 32.50.63.192
>>> s=session
>>> c=IN IP4 32.50.63.192
>>> t=0 0
>>> m=image 14104 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:9600
>>> a=T38FaxFillBitRemoval:0
>>> a=T38FaxTranscodingMMR:0
>>> a=T38FaxTranscodingJBIG:0
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:176
>>> a=T38FaxMaxDatagram:176
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia.c:3696
>>> sofia/internal/214 at pbx0.tssec.lan receive message [MEDIA_REDIRECT]
>>> 2009-10-06 19:03:47.049284 [DEBUG] mod_sofia.c:1195
>>> sofia/internal/214 at pbx0.tssec.lan Sending media re-direct:
>>> v=0
>>> o=root 31797 31799 IN IP4 32.50.63.192
>>> s=session
>>> c=IN IP4 32.50.63.192
>>> t=0 0
>>> m=image 14104 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:9600
>>> a=T38FaxFillBitRemoval:0
>>> a=T38FaxTranscodingMMR:0
>>> a=T38FaxTranscodingJBIG:0
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:176
>>> a=T38FaxMaxDatagram:176
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia_glue.c:1101 Remote  
>>> address:port
>>> [192.168.50.51:16474] has not changed.
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia_glue.c:1322
>>> sofia/internal/214 at pbx0.tssec.lan Patched SDP
>>> ---
>>> v=0
>>> o=root 31797 31799 IN IP4 32.50.63.192
>>> s=session
>>> c=IN IP4 32.50.63.192
>>> t=0 0
>>> m=image 14104 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:9600
>>> a=T38FaxFillBitRemoval:0
>>> a=T38FaxTranscodingMMR:0
>>> a=T38FaxTranscodingJBIG:0
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:176
>>> a=T38FaxMaxDatagram:176
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> +++
>>> v=0
>>> o=root 31797 31799 IN IP4 32.50.63.192
>>> s=session
>>> c=IN IP4 192.168.50.10
>>> t=0 0
>>> m=image 32698 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:9600
>>> a=T38FaxFillBitRemoval:0
>>> a=T38FaxTranscodingMMR:0
>>> a=T38FaxTranscodingJBIG:0
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:176
>>> a=T38FaxMaxDatagram:176
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> 2009-10-06 19:03:47.049284 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/internal/214 at pbx0.tssec.lan [BREAK]
>>> 2009-10-06 19:03:47.049284 [DEBUG] sofia.c:3359 Channel
>>> sofia/internal/214 at pbx0.tssec.lan entering state [calling][0]
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia_glue.c:1101 Remote  
>>> address:port
>>> [192.168.50.51:16474] has not changed.
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia.c:3158 Passing 200 OK to  
>>> other leg
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia.c:3170
>>> sofia/external/*408774957558438 at sip.callwithus.com receive message  
>>> [RESPOND]
>>> 2009-10-06 19:03:47.077291 [DEBUG] mod_sofia.c:1427 Responding  
>>> with 200 [OK]
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia_glue.c:1322
>>> sofia/external/*408774957558438 at sip.callwithus.com Patched SDP
>>> ---
>>> v=0
>>> o=- 216899808 216899808 IN IP4 192.168.50.51
>>> s=-
>>> c=IN IP4 192.168.50.51
>>> t=0 0
>>> m=image 16474 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:14400
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:200
>>> a=T38FaxMaxDatagram:200
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> +++
>>> v=0
>>> o=- 216899808 216899808 IN IP4 192.168.50.51
>>> s=-
>>> c=IN IP4 77.239.230.202
>>> t=0 0
>>> m=image 32404 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:14400
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:200
>>> a=T38FaxMaxDatagram:200
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia_glue.c:1110 AUDIO RTP  
>>> CHANGING
>>> DEST TO: [32.50.63.192:14104]
>>> 2009-10-06 19:03:47.077291 [DEBUG] switch_core_session.c:630 Send  
>>> signal
>>> sofia/external/*408774957558438 at sip.callwithus.com [BREAK]
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia.c:3359 Channel
>>> sofia/internal/214 at pbx0.tssec.lan entering state [ready][200]
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia.c:3366 Remote SDP:
>>> v=0
>>> o=- 216899808 216899808 IN IP4 192.168.50.51
>>> s=-
>>> c=IN IP4 192.168.50.51
>>> t=0 0
>>> m=image 16474 udptl t38
>>> a=T38FaxVersion:0
>>> a=T38MaxBitRate:14400
>>> a=T38FaxRateManagement:transferredTCF
>>> a=T38FaxMaxBuffer:200
>>> a=T38FaxMaxDatagram:200
>>> a=T38FaxUdpEC:t38UDPRedundancy
>>>
>>> send 1003 bytes to udp/[38.99.70.232]:5060 at 15:06:05.605615:
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 200 OK
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKc406.1d5670f7.0
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK41d48157;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 102 INVITE
>>>  Contact: <sip:gw+callwithus at 77.239.230.202:5080;transport=udp>
>>>  User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-12805
>>>  Accept: application/sdp
>>>  Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>>> REGISTER, REFER, NOTIFY
>>>  Supported: timer, precondition, path, replaces
>>>  Content-Type: application/sdp
>>>  Content-Disposition: session
>>>  Content-Length: 274
>>>
>>>  v=0
>>>  o=- 216896551 216896552 IN IP4 192.168.50.51
>>>  s=-
>>>  c=IN IP4 77.239.230.202
>>>  t=0 0
>>>  m=image 32404 udptl t38
>>>  a=T38FaxVersion:0
>>>  a=T38MaxBitRate:14400
>>>  a=T38FaxRateManagement:transferredTCF
>>>  a=T38FaxMaxBuffer:200
>>>  a=T38FaxMaxDatagram:200
>>>  a=T38FaxUdpEC:t38UDPRedundancy
>>>   
>>> ------------------------------------------------------------------------
>>> 2009-10-06 19:03:47.077291 [DEBUG] sofia.c:3359 Channel
>>> sofia/external/*408774957558438 at sip.callwithus.com entering state
>>> [completed][200]
>>> 2009-10-06 19:03:47.285347 [INFO] switch_rtp.c:1905 Auto Changing  
>>> port
>>> from 32.50.63.192:14104 to 4.55.17.66:14104
>>> recv 527 bytes from udp/[38.99.70.232]:5060 at 15:06:05.817672:
>>>   
>>> ------------------------------------------------------------------------
>>>  ACK sip:gw+callwithus at 192.168.50.10:5080;transport=udp SIP/2.0
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKc406.1d5670f7.2
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK5ffd72cd;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Contact: <sip:*408774957558438 at 204.74.213.1:5062>
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 102 ACK
>>>  User-Agent: CWU SIP-GW
>>>  Max-Forwards: 69
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> 2009-10-06 19:03:47.289349 [DEBUG] sofia.c:3359 Channel
>>> sofia/external/*408774957558438 at sip.callwithus.com entering state
>>> [ready][200]
>>> recv 476 bytes from udp/[38.99.70.232]:5060 at 15:06:47.588933:
>>>   
>>> ------------------------------------------------------------------------
>>>  BYE sip:gw+callwithus at 192.168.50.10:5080;transport=udp SIP/2.0
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKd406.f8553e14.0
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK0f2cff01;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 103 BYE
>>>  User-Agent: CWU SIP-GW
>>>  Max-Forwards: 69
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>> 2009-10-06 19:04:29.060609 [NOTICE] sofia.c:328 Hangup
>>> sofia/external/*408774957558438 at sip.callwithus.com  
>>> [CS_EXCHANGE_MEDIA]
>>> [NORMAL_CLEARING]
>>> 2009-10-06 19:04:29.060609 [DEBUG] switch_channel.c:1726 Send signal
>>> sofia/external/*408774957558438 at sip.callwithus.com [KILL]
>>> 2009-10-06 19:04:29.060609 [DEBUG] switch_core_session.c:932 Send  
>>> signal
>>> sofia/external/*408774957558438 at sip.callwithus.com [BREAK]
>>> 2009-10-06 19:04:29.060609 [DEBUG] switch_core_state_machine.c:437
>>> thread mismatch skipping state handler.
>>> send 574 bytes to udp/[38.99.70.232]:5060 at 15:06:47.588933:
>>>   
>>> ------------------------------------------------------------------------
>>>  SIP/2.0 200 OK
>>>  Via: SIP/2.0/UDP 38.99.70.232;branch=z9hG4bKd406.f8553e14.0
>>>  Via: SIP/2.0/UDP  
>>> 204.74.213.1:5062;branch=z9hG4bK0f2cff01;rport=5062
>>>  From: <sip:*408774957558438 at sip.callwithus.com>;tag=as22d3d3b0
>>>  To: "Mihailova Ludmila"
>>> <sip:544620048 at sip.callwithus.com;transport=udp>;tag=HXjrDKpHHX8ZN
>>>  Call-ID: 8978ece2-2d2c-122d-9c9d-00163e90370f
>>>  CSeq: 103 BYE
>>>  User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-12805
>>>  Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>>> REGISTER, REFER, NOTIFY
>>>  Supported: timer, precondition, path, replaces
>>>  Content-Length: 0
>>>
>>>   
>>> ------------------------------------------------------------------------
>>>
>>>
>>>
>>> _______________________________________________
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>>
>>>
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> _______________________________________________
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