| Summary: | ASTERISK-16791: 1.4 Passthru Receives T38 Re-Invite and passes on a non-T38 invite to other peer. | ||
| Reporter: | alexr1 (alexr1) | Labels: | |
| Date Opened: | 2010-10-12 01:05:10 | Date Closed: | 2011-07-26 15:30:03 |
| Priority: | Minor | Regression? | No |
| Status: | Closed/Complete | Components: | Channels/chan_sip/T.38 |
| Versions: | Frequency of Occurrence | ||
| Related Issues: | |||
| Environment: | Attachments: | ( 0) fail.txt ( 1) failwithpatch.txt ( 2) working.txt | |
| Description: | INCOMING Fax from PSTN. ENSR has full T38 Gateway support. Analogue fax -> PSTN -> ENSR2.5.4 -> Ast1.4.37 -> Ast1.6.1.20 The problem happens when 1.6 re-invites with a T38 Offer to 1.4. 1.4 see's the T38 offer (and sends TRYING to 1.6), but re-invites to ENSR with G711 instead of T38. Upon close inspection of the Debug log, Asterisk sends TRYING and then chooses to "DEFER" sending the T38 re-invite to ENSR. What happens after that, I'm not exactly sure. ****** ADDITIONAL INFORMATION ****** Asterisk 1.4.37 has realtime enabled. The Asterisk 1.6.1.20 peer (on the 1.4 box) is REALTIME, NAT=YES, CANREINVITE=NO. Very similar result if I invert these values. Attached is two logs. "Working.txt" and "Fail.txt". Fail.txt is a logfile of what happens in the above described scenario. "Working.txt" is what happens when I sent a fax to a non-realtime, non-nat, canreinvite=yes peer (Running Asterisk 1.6.2.8 with ReceiveFax app) | ||
| Comments: | By: alexr1 (alexr1) 2010-10-13 18:43:48 Bounty: $250 USD via Paypal to the person who can solve this problem. By: Ramon Peek-Fares (ramonpeek) 2010-10-14 02:33:55 Try patching the 1.4 system with the patch I created in ASTERISK-16658 ;-) By: alexr1 (alexr1) 2010-10-14 20:09:12 We're getting somewhere. Previously all the caller heard was silence, but now after a couple of seconds of silence, fax tones come on (Which I thought meant a successful T.38 handshake) Again: Analogue fax -> PSTN -> ENSR2.5.4 -> Ast1.4.37 -> Ast1.6.1.20 This time the fax is actually communicating via T38 but appears to fail after some time. By: alexr1 (alexr1) 2010-10-14 20:09:40 Bounty increased to $300 USD via Paypal By: Ramon Peek-Fares (ramonpeek) 2010-10-15 01:12:35 Since I don't have your setup (and can't replicate it), could you send me the log file of Asterisk (debug & sip debugging enabled) + a pCAP trace of the network traffic? I really need it in order to figure out whats happening.. By: Matthew Nicholson (mnicholson) 2011-07-26 15:29:55.020-0500 Per the Asterisk maintenance timeline page at http://www.asterisk.org/asterisk-versions maintenance (bug) support for the 1.4 and 1.6.x branches has ended. For continued maintenance support please move to the 1.8 branch which is a long term support (LTS) branch. For more information about branch support, please see https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions If this is still a problem in 1.8, open a new issue. | ||