My results so far
Now that I look at my spandsp, I wonder if I should upgrade...
1317498 Feb 21 15:15 /usr/local/lib/libspandsp.so.0.0.2
Grandstream
Product Model: HT286 REV 3.0
Software Version: Program-- 1.0.8.33 Bootloader-- 1.0.8.11 HTML--
1.0.8.33 VOC-- 1.0.0.12
OpenPBX.org svn-trunk SVN-2542 built on blah, a i686 running Linux on
2007-02-21 18:00:56 UTC
ATA -> OPBX T38 (verified in debug log output) rxfax works flawlessly,
multiple pages
Asterisk 1.2.16 w/ PRI -> IAX or SIP -> OPBX T38Gateway -> ATA fails
Multiple tries of sending the fax using txfax usually seg faults
openpbx.
I used the faxout example from the Wiki...tried both w/ and without ecm.
I hear the fax roller twitch then the line hangs up.
OPBX txfax to ATA: fails
-- Attempting call on SIP/extension/extension for [EMAIL PROTECTED]:1 (Retry
1)
Mar 12 13:31:28 DEBUG[3060960160] chan_sip.c: Our T38 capability (12048)
Mar 12 13:31:28 DEBUG[3060960160] chan_sip.c: Setting NAT on RTP to 1
Mar 12 13:31:28 DEBUG[3060960160] chan_sip.c: Setting NAT on UDPTL to 1
Mar 12 13:31:28 DEBUG[3060960160] chan_sip.c: Outgoing Call for
extension
Mar 12 13:31:28 DEBUG[3060960160] chan_sip.c: Our T38 capability
(12048), joint T38 capability (12048)
Mar 12 13:31:47 DEBUG[3060960160] rtp.c: Had to change frame MS from 0
to 20
Mar 12 13:31:47 DEBUG[3060960160] rtp.c: Able to create smoother :) ms:
20 len 160
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: Activating UDPTL on
response [EMAIL PROTECTED] (1)
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: T38 state changed to 4 on
channel SIP/extension-a184
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: FaxVersion: 0
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: T38MaxBitRate: 9600
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: FillBitRemoval: 0
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: Transcoding MMR: 0
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: Transcoding JBIG: 0
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: RateMangement:
transferredTCF
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: MaxBufferSize:400
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: FaxMaxDatagram: 280
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: UDP EC: t38UDPRedundancy
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: T38MaxFaxRate 9600 found
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: T38 state changed to 5 on
channel SIP/extension-a184
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: T38mode enabled for
channel SIP/extension-a184
Mar 12 13:31:52 DEBUG[3060960160] app_txfax.c: T38 switchover detected
Mar 12 13:31:52 DEBUG[3062586272] chan_sip.c: Stopping retransmission on
'[EMAIL PROTECTED]' of Response 34770: Match
Found
Mar 12 13:32:17 DEBUG[3060960160] generator.c: Trying to deactivate
generator in SIP/extension-a184
Mar 12 13:32:17 DEBUG[3060960160] generator.c: Generator on
SIP/extension-a184 stopped after 0 iterations
Mar 12 13:32:17 DEBUG[3060960160] app_txfax.c: Got hangup
Mar 12 13:32:17 DEBUG[3060960160] app_txfax.c:
========================================================================
======
Mar 12 13:32:17 DEBUG[3060960160] app_txfax.c: Fax send not successful -
result (61) The call dropped prematurely.
Bill
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Johann
Steinwendtner
Sent: Monday, March 12, 2007 1:17 PM
To: [email protected]
Subject: [Openpbx-users] fax report
Hello list !
Here are my findings about fax support in openPBX.
I 'm running openPBX 1.2 svn 2549
spandsp version: spandsp-0.0.3pre28.tgz
SIP ATA Grandstream FW version: 1.0.8.32
T.38 Support:
=============
app_txfax: T.38 faxing from oPBX to GS 486 does not work. bug report
will follow, although
there are already some reports open.
app_rxfax: T.38 faxing to oPBX "seems" to work. A one page fax came
through. Success Rate (9/10)
T38 gateway: (I' have backported t38gateway into openPBX 1.2.)
FAX machine --> SIP ATA HT486 --> oPBX, zaptel --> Meridian 1 PBX (call
pilot)
I had problems with fax switchover, I 'm using currently following
workaround:
exten => _X.,1,Set(FAX_EXTEN=${EXTEN})
exten => _X.,n,FaxDetect(4)
exten => _X.,n,Goto(from_sip, ${EXTEN},1)
exten => fax,1,SipT38SwitchOver()
exten => fax,n,T38Gateway(Zap/g1/${FAXEXTEN}|debug)
exten => fax,n,Hangup()
exten => talk,1,SipT38SwitchOver()
exten => talk,n,T38Gateway(Zap/g1/${FAX_EXTEN}|debug)
exten => talk,n,Hangup()
Mostly there was a hangup from the zap interface. (success rate 4/10)
The other direction:
Fax --- > Meridian 1--> oPBX --> ATA HT 486 --> fax machine
did not work. (may be because of T.38 does not work in direction oPBX
--> Grandstream Adapter)
open bug reports: #270 and #271
T.30 Support:
=============
app_txfax: Normal T.30 faxing does not work.
Bug report will follow.
app_rxfax: seems to work (both, ecm and non-ecm)
Best regards
Hans
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