[asterisk-bugs] [Asterisk 0015971]: [patch] Support for physical tapping in PRI lines

Asterisk Bug Tracker noreply at bugs.digium.com
Sat May 22 23:12:43 CDT 2010


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15971 
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Reported By:                moy
Assigned To:                
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Project:                    Asterisk
Issue ID:                   15971
Category:                   Channels/chan_dahdi/NewFeature
Reproducibility:            N/A
Severity:                   feature
Priority:                   normal
Status:                     ready for testing
Asterisk Version:           SVN 
JIRA:                       SWP-1484 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 220626 
Request Review:              
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Date Submitted:             2009-09-26 20:27 CDT
Last Modified:              2010-05-22 23:12 CDT
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Summary:                    [patch] Support for physical tapping in PRI lines
Description: 
It is possible to tap E1/T1 links physically and receive 2 E1/T1 cables to
receive Tx and Rx media and signaling in another box for the tapped line.
This patch and Asterisk branch allows to handle this tapping lines.
Asterisk (through chan_dahdi.so) will detect a call in any direction (to or
from CPE/NET) and create a new call in the monitoring PBX, of course any
transmission is disabled (therefore dahdi_write drop any frames being
sent). Given that tx and rx are separated in 2 dahdi chans, chan_dahdi
creates internally a dahdi conference that is used to mix the tx and rx
streams into a single stream that dahdi_read will use to return frames to
the core.
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 (0122279) moy (reporter) - 2010-05-22 23:12
 https://issues.asterisk.org/view.php?id=15971#c122279 
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jtodd: I totally agree with you, I'll put up a document in the following
days. 

Issue History 
Date Modified    Username       Field                    Change               
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2010-05-22 23:12 moy            Note Added: 0122279                          
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