[Freeswitch-users] Anyone using t38modem with FS (gatewaying from audio<>t38) and Hylafax successfully?

[Alex Crow]

On 09/11/11 18:21, Brian West wrote:
> You're missing the ever critical t38_passthru=true variable remove all 
> else about t38 since those are valid for termination/originate with FS 
> itself... don't need t38_gateway at all.... then don't worry about the 
> rest.
>
> /b
>
> On Nov 9, 2011, at 12:17 PM, Alex Crow wrote:
>
>> <extension name="from_mitel" >
>> <condition field="network_addr" expression="10.10.0.2"/>
>> <condition field="context" expression="public"/>
>> <condition field="destination_number" expression="(^1001$)">
>> <action application="set" data="hangup_after_bridge=true"/>
>> <action application="set" data="fax_enable_t38=true"/>
>> <action application="set" data="fax_enable_t38_request=true"/>
>> <action application="set" data="execute_on_answer=t38_gateway peer"/>
>> <action application="bridge" data="user/t38modem@${domain_name}"/>
>> </condition>
>> </extension>
>
>
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Brian,

I am afraid is is still not working. Freeswitch seems to abort the call 
with these logs:

2011-11-09 21:16:08.468151 [DEBUG] switch_core_session.c:788 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:16:08.488151 [DEBUG] sofia_glue.c:166 
sofia/internal/5470 at 10.10.0.2 image media sdp:
v=0
o=FreeSWITCH 1320855245 1320855247 IN IP4 192.168.20.245
s=FreeSWITCH
c=IN IP4 192.168.20.245
t=0 0
m=image 18122 udptl t38
a=T38FaxVersion:0
a=T38MaxBitRate:9600
a=T38FaxRateManagement:transferredTCF
a=T38FaxMaxBuffer:500
a=T38FaxMaxDatagram:500
a=T38FaxUdpEC:t38UDPRedundancy

2011-11-09 21:16:08.488151 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:16:08.488151 [DEBUG] sofia.c:5283 Channel 
sofia/internal/5470 at 10.10.0.2 entering state [calling][0]
2011-11-09 21:16:08.508150 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:16:08.508150 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:16:08.508150 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:16:08.508150 [DEBUG] sofia.c:4868 Passing 415 Unsupported 
Media Type to other leg
2011-11-09 21:16:08.508150 [DEBUG] switch_core_session.c:788 Send signal 
sofia/internal/sip:t38modem at 192.168.20.245:6060 [BREAK]
2011-11-09 21:16:08.508150 [DEBUG] sofia.c:5283 Channel 
sofia/internal/5470 at 10.10.0.2 entering state [ready][415]
2011-11-09 21:16:08.508150 [DEBUG] sofia_glue.c:4730 Audio Codec Compare 
[PCMA:8:8000:20:64000]/[PCMA:8:8000:20:64000]
2011-11-09 21:16:08.508150 [DEBUG] sofia_glue.c:2782 Already using PCMA
2011-11-09 21:16:08.508150 [DEBUG] sofia_glue.c:4851 Set 2833 dtmf 
send/recv payload to 101
2011-11-09 21:16:08.528161 [DEBUG] mod_sofia.c:2298 Responding with 415 
[Unsupported Media Type]
2011-11-09 21:16:08.528161 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/sip:t38modem at 192.168.20.245:6060 [BREAK]
2011-11-09 21:16:08.528161 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/sip:t38modem at 192.168.20.245:6060 [BREAK]
2011-11-09 21:16:08.528161 [DEBUG] sofia.c:5283 Channel 
sofia/internal/sip:t38modem at 192.168.20.245:6060 entering state [ready][415]
2011-11-09 21:16:08.528161 [DEBUG] switch_core_session.c:726 Send signal 
sofia/internal/sip:t38modem at 192.168.20.245:6060 [BREAK]
2011-11-09 21:17:01.788147 [DEBUG] switch_core_session.c:872 Send signal 
sofia/internal/5470 at 10.10.0.2 [BREAK]
2011-11-09 21:17:01.808150 [DEBUG] switch_channel.c:2826 
(sofia/internal/5470 at 10.10.0.2) Callstate Change ACTIVE -> HANGUP

Any ideas to get around this would be most gratefully received.

Best regards,

Alex

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