[Freeswitch-users] Can't get fax working

[Boris Kovalenko]

Hello!

     This is one of I tried.

> Hello Boris,
>   That's exactly the problem I had with my MP-124. If you send me its 
> configuration file I will look on it next week and compare it to mine.
> It is related to T.38 re-invite.
>                               __Yehavi:
>
>
> 2011/7/21 Boris Kovalenko <boris at tagnet.ru <mailto:boris at tagnet.ru>>
>
>     Hello!
>
>
>         I collected tcpdump between Freeswitch and Audiocodes MP-114
>     and found something strange. The sequence of packets is:
>     FS  INVITE with SDP
>     MP 100 Trying
>     MP 180 Ringing
>     MP 200 OK with SDP
>     FS/MP RTP/RTP
>     MP ReINVITE with SDP
>     FS 100 Trying
>     ---- long pause and call disconnected
>     MP BYE
>     FS 200 OK with SDP !!!!! CSeq: INVITE !!!!!
>     FS 200 OK CSeq BYE
>     FS 200 OK with SDP !!!!! CSeq: INVITE !!!!!
>     FS 200 OK with SDP !!!!! CSeq: INVITE !!!!!
>     FS 200 OK with SDP !!!!! CSeq: INVITE !!!!!
>
>     Thinking this is a problem of T.38 operation. Sometimes, IMHO,
>     Freeswitch is buffering??? 200 OK response and session can not be
>     established. Where may I place dump for gurus may look at it?
>
>>     Hello!
>>
>>         I need help with fax configuration. My network is:
>>
>>     PSTN E1 --- Cisco AS5350 -- Freeswitch -- Audiocodes MP-114 -- Fax
>>
>>     FS version: FreeSWITCH Version 1.0.head (git-062f07f 2011-07-16
>>     12-35-25 +0200)
>>     Audiocodes firmware: 6.00A.038.004
>>     I can't get faxes working :( In FS profiles there is a parameter
>>     <param name="t38-passthru" value="true"/>
>>     Cisco DP fax settings:
>>     fax-relay ecm disable
>>      fax rate 9600
>>      fax protocol t38 ls-redundancy 2 hs-redundancy 1 fallback
>>     pass-through g711alaw
>>      no vad
>>
>>     On Audiocodes there is also T38 enabled (as I think) but there is
>>     no T38. There are messages on MP-114:
>>     ErrMgs=16 T38Decoder received Non-T38 Packet
>>     and
>>     ||
>>     Modem Relay Is Not Supported! Forcing Bypass Mode
>>
>>
>>     Please, help! What information I need to collect to help solve the problem?
>>     -- 
>>     Regards,
>>     Boris
>>
>>
>>
>>     _______________________________________________
>>     Join us at ClueCon 2011, Aug 9-11, Chicago
>>     http://www.cluecon.com  877-7-4ACLUE
>>
>>     FreeSWITCH-users mailing list
>>     FreeSWITCH-users at lists.freeswitch.org  <mailto: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
>
>
>     -- 
>     Regards,
>     Boris
>
>
>
>     _______________________________________________
>     Join us at ClueCon 2011, Aug 9-11, Chicago
>     http://www.cluecon.com 877-7-4ACLUE
>
>     FreeSWITCH-users mailing list
>     FreeSWITCH-users at lists.freeswitch.org
>     <mailto: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
>
>
>
>
> _______________________________________________
> Join us at ClueCon 2011, Aug 9-11, Chicago
> http://www.cluecon.com 877-7-4ACLUE
>
> 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


-- 
Regards,
Boris


-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20110722/5880b5cf/attachment-0001.html 
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: BOARD-3.ini
Url: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20110722/5880b5cf/attachment-0001.pl