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Summary:ASTERISK-15096: T.38 Fax Termination Failing
Reporter:Eric Olsen (eolsen)Labels:
Date Opened:2009-11-06 13:20:45.000-0600Date Closed:2011-06-07 14:08:00
Priority:MinorRegression?No
Status:Closed/CompleteComponents:Channels/chan_sip/T.38
Versions:Frequency of
Occurrence
Related
Issues:
Environment:Attachments:( 0) debugging_output.txt
Description:I am trying to send a fax to Asterisk via a Cisco SPA2102 and I am always receiving SIP/2.0 488 Not acceptable here from Asterisk after the SPA2102 sends the T.38 SIP Re-Invite.

The fax session then falls back to G711 and completes successfully.

****** ADDITIONAL INFORMATION ******

Asterisk SVN-branch-1.6.0-r228500 built by root @ ubunagio on a i686 running Linux on 2009-11-06 18:27:16 UTC

Fax For Asterisk Components:
Applications: 1.6.0_1.0.14
Digium Fax T.38 Driver: 1.6.0_1.0.11 (optimized for pentium4m_32)
Digium Fax G.711 Driver: 1.6.0_1.0.11 (optimized for pentium4m_32)

sip.conf
[general]
context=default
allowguest=no
bindport=5060
bindaddr=0.0.0.0
nat=no
localnet=10.1.0.0/16
disallow=all
allow=ulaw
dtmfmode=rfc2833
t38pt_udptl=yes,redundancy
t38pt_rtp=no
t38pt_tcp=no

[faxmachine]
context=inbound_fax
type=friend
username=faxmachine
secret=faxmachine
callerid=Fax Machine
host=dynamic
nat=no
canreinvite=yes
t38pt_udptl=yes,redundancy
t38pt_rtp=no
t38pt_tcp=no
Comments:By: Eric Olsen (eolsen) 2009-11-06 13:44:46.000-0600

SPA2102 Firmware Version: 5.2.10

By: Joshua C. Colp (jcolp) 2009-11-16 09:07:40.000-0600

This issue has already been fixed in SVN as of revision 229913.