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[Freeswitch-users] Empty SDP in 200 OK on received re-invite while faxing with T.38


 
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simpot at gmail.com
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PostPosted: Wed Mar 09, 2016 6:01 am    Post subject: [Freeswitch-users] Empty SDP in 200 OK on received re-invite Reply with quote

Hi all,


I found that some of my faxes failed to be sent/received bcz remote PBX drop the calls after my FreeSWITCH send empty (without SDP) 200 OK message on received re-invite from remote party while sending or receiving fax with T.38.


CLIENT > INVITE (G.711) > FS

FS > 200 OK > CLIENT

CLIENT > INVITE (T.3Cool > FS

FS > 200 OK > CLEINT
...

now receiving fax

while fax is received, client send me reinvite with the same SDP T.38 details as in initial T.38 INVITE message. usually it happens after 900 or 1800 seconds - probably it kind of keepalive...

FS > 200 OK (with no SDP) > CLEINT

now call is dropped(


freeswitch: Version 1.5.15b git 3d64402 2015-03-21 19:55:21Z 64bit

centos 6 x64



any ideas?
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brian at freeswitch.org
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PostPosted: Wed Mar 09, 2016 2:24 pm    Post subject: [Freeswitch-users] Empty SDP in 200 OK on received re-invite Reply with quote

Ok, without some logs, or traces I can only guess here, happen to have those handy in a pastebin?

On Wed, Mar 9, 2016 at 4:59 AM, Dmitry Saratsky <simpot@gmail.com (simpot@gmail.com)> wrote:
Quote:
Hi all,


I found that some of my faxes failed to be sent/received bcz remote PBX drop the calls after my FreeSWITCH send empty (without SDP) 200 OK message on received re-invite from remote party while sending or receiving fax with T.38.


CLIENT > INVITE (G.711) > FS

FS > 200 OK > CLIENT

CLIENT > INVITE (T.3Cool > FS

FS > 200 OK > CLEINT
...

now receiving fax

while fax is received, client send me reinvite with the same SDP T.38 details as in initial T.38 INVITE message. usually it happens after 900 or 1800 seconds - probably it kind of keepalive...

FS > 200 OK (with no SDP) > CLEINT

now call is dropped(


freeswitch: Version 1.5.15b git 3d64402 2015-03-21 19:55:21Z 64bit

centos 6 x64



any ideas?


_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting@freeswitch.org (consulting@freeswitch.org)
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://confluence.freeswitch.org
http://www.cluecon.com

FreeSWITCH-users mailing list
FreeSWITCH-users@lists.freeswitch.org (FreeSWITCH-users@lists.freeswitch.org)
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org




--

Brian West
brian@freeswitch.org (brian@freeswitch.org)


Twitter: @FreeSWITCH , @briankwest
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com
https://www.gofundme.com/freeswitch_ubuntu
Got Bugs? Report them here! | Reddit: /r/freeswitch
T:+19184209001 | F:+19184209002 | M:+1918424WEST (9378)
iNUM:+883 5100 1420 9001 | ISN:410*543 | Skype:briankwest
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mike at jerris.com
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PostPosted: Thu Mar 10, 2016 9:49 am    Post subject: [Freeswitch-users] Empty SDP in 200 OK on received re-invite Reply with quote

also make sure you are testing latest master, we fixed some fax issues last week

On Wednesday, March 9, 2016, Brian West <brian@freeswitch.org (brian@freeswitch.org)> wrote:
Quote:
Ok, without some logs, or traces I can only guess here, happen to have those handy in a pastebin?

On Wed, Mar 9, 2016 at 4:59 AM, Dmitry Saratsky <[url=javascript:_e(%7B%7D,'cvml','simpot@gmail.com');]simpot@gmail.com[/url]> wrote:
Quote:
Hi all,


I found that some of my faxes failed to be sent/received bcz remote PBX drop the calls after my FreeSWITCH send empty (without SDP) 200 OK message on received re-invite from remote party while sending or receiving fax with T.38.


CLIENT > INVITE (G.711) > FS

FS > 200 OK > CLIENT

CLIENT > INVITE (T.3Cool > FS

FS > 200 OK > CLEINT
...

now receiving fax

while fax is received, client send me reinvite with the same SDP T.38 details as in initial T.38 INVITE message. usually it happens after 900 or 1800 seconds - probably it kind of keepalive...

FS > 200 OK (with no SDP) > CLEINT

now call is dropped(


freeswitch: Version 1.5.15b git 3d64402 2015-03-21 19:55:21Z 64bit

centos 6 x64



any ideas?


_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
[url=javascript:_e(%7B%7D,'cvml','consulting@freeswitch.org');]consulting@freeswitch.org[/url]
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://confluence.freeswitch.org
http://www.cluecon.com

FreeSWITCH-users mailing list
[url=javascript:_e(%7B%7D,'cvml','FreeSWITCH-users@lists.freeswitch.org');]FreeSWITCH-users@lists.freeswitch.org[/url]
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org




--

Brian West
[url=javascript:_e(%7B%7D,'cvml','brian@freeswitch.org');]brian@freeswitch.org[/url]


Twitter: @FreeSWITCH , @briankwest
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com
https://www.gofundme.com/freeswitch_ubuntu
Got Bugs? Report them here! | Reddit: /r/freeswitch
T:+19184209001 | F:+19184209002 | M:+1918424WEST (9378)
iNUM:+883 5100 1420 9001 | ISN:410*543 | Skype:briankwest












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simpot at simpot.com
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PostPosted: Sun Mar 13, 2016 3:17 am    Post subject: [Freeswitch-users] Empty SDP in 200 OK on received re-invite Reply with quote

Yesterday I have updated to latest git to see if issue is still exists.
Will update later
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