[asterisk-bugs] [Asterisk 0008677]: Asterisk does not reinvite peer for G.711 after T.38 negotiated failed with a "488" Event
Asterisk Bug Tracker
noreply at bugs.digium.com
Mon Feb 22 15:35:19 CST 2010
The following issue has been set as RELATED TO issue 0016692.
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https://issues.asterisk.org/view.php?id=8677
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Reported By: alex-911
Assigned To: file
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Project: Asterisk
Issue ID: 8677
Category: Channels/chan_sip/T.38
Reproducibility: always
Severity: minor
Priority: normal
Status: closed
Asterisk Version: SVN
JIRA:
Regression: No
Reviewboard Link:
SVN Branch (only for SVN checkouts, not tarball releases): 1.4
SVN Revision (number only!): 59083
Request Review:
Resolution: fixed
Fixed in Version:
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Date Submitted: 2006-12-27 08:13 CST
Last Modified: 2010-02-22 15:35 CST
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Summary: Asterisk does not reinvite peer for G.711 after T.38
negotiated failed with a "488" Event
Description:
I have a linksys ATA connected to asterisk, configured for G.711 fax
passthru. asterisk is connected to a Cisco PSTN gateway. the default fax
protocol of the PSTN gateway is T.38, so if the Cisco media gateway detects
faxtone, there is a reinvite for T.38.
asterisk passes the reinvite down to the ATA. the ATA answers correctly
with a "488 not acceptable here".
instead of passing the 488 up to the proxy, asterisk seems to stop here.
it receives the retransmit of the reinvite and answers with a "503
Unavailable".
I would expect asterisk to pass the 488 up what would trigger another
reinvite for T.30 fax (G.711 passthru).
I'll post the simple call flow and the console log below. let me know if
more details are required.
10.10.10.23: ATA
172.16.16.111: *
172.16.16.155: SIP Proxy
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Relationships ID Summary
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has duplicate 0009345 Problems
related to 0016692 [patch] Missing fallback to audio fax f...
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Issue History
Date Modified Username Field Change
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2010-02-22 15:35 lmadsen Relationship added related to 0016692
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