[asterisk-bugs] [Asterisk 0012471]: No ringback toward SIP trunk on inbound SLA call (Again)

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=12471 
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Reported By:                mthomasslo
Assigned To:                
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Project:                    Asterisk
Issue ID:                   12471
Category:                   Applications/SLA
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.19 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             2008-04-17 14:24 CDT
Last Modified:              2008-08-11 11:41 CDT
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Summary:                    No ringback toward SIP trunk on inbound SLA call
(Again)
Description: 
When a call is inbound from a SIP trunk, the ousside caller hears silence
while the SLATrunk(xxx) is executing and the SLAStations are ringing. 
All
other inbound SIP calls return a ringback to the caller.
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 (0091304) SpiritedBB (reporter) - 2008-08-11 11:41
 http://bugs.digium.com/view.php?id=12471#c91304 
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I am having same issue with interop testing. Engineers said that Asterisk
is 'sitting in middle' and not sending its own ringback when connecting
with certain GW's. Failure to send 183...
any fix on this? 

Issue History 
Date Modified    Username       Field                    Change               
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2008-08-11 11:41 SpiritedBB     Note Added: 0091304                          
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