[asterisk-bugs] [LibSS7 0011779]: Echo Canceler not working with SS7 and wrong DPC running multiple DPCs

noreply at bugs.digium.com noreply at bugs.digium.com
Mon Feb 18 14:55:50 CST 2008


The following issue has been CLOSED 
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http://bugs.digium.com/view.php?id=11779 
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Reported By:                danbic
Assigned To:                mattf
====================================================================== 
Project:                    LibSS7
Issue ID:                   11779
Category:                   General
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     closed
Asterisk Version:           SVN 
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
Resolution:                 open
Fixed in Version:           
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Date Submitted:             01-16-2008 15:14 CST
Last Modified:              02-18-2008 14:55 CST
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Summary:                    Echo Canceler not working with SS7 and wrong DPC
running multiple DPCs
Description: 
We detected 2 problems we tried to work around:

1) We were getting echo on SS7 calls (no matter the echo-canceler we
configured). I detected echo canceler was not activated during call
setup.

2) Connecting same linkset to more than one DPC (different E1s), when
replying SS7 messages addressed to a CIC associated to one DPC, the
answer message included wrong PC address.

Attached my libss7 patches and chan_zap. These patches are running last
3 weeks with no problem.

Please validate them.

PS: sorry about my "DB" remarks but this helps me to keep track on
changes. I will remove it upon your validation.
====================================================================== 

Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
02-18-08 14:55  mattf          Status                   assigned => closed  
======================================================================




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