[asterisk-bugs] [Asterisk 0011778]: DTMF received through rfc2833 having double digits, missing digits, wrong information

[noreply at bugs.digium.com]

The following issue has been RESOLVED. 
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http://bugs.digium.com/view.php?id=11778 
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Reported By:                unservices
Assigned To:                qwell
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Project:                    Asterisk
Issue ID:                   11778
Category:                   Channels/chan_sip/General
Reproducibility:            random
Severity:                   major
Priority:                   normal
Status:                     resolved
Asterisk Version:           1.2.24 
SVN Branch (only for SVN checkouts, not tarball releases): N/A  
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
Resolution:                 won't fix
Fixed in Version:           
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Date Submitted:             01-16-2008 10:05 CST
Last Modified:              01-16-2008 10:18 CST
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Summary:                    DTMF received through rfc2833 having double digits,
missing digits, wrong information
Description: 
We have a sip trunk connected with a origination/termination provider. We
receive and make calls through SIP, therefore no dialogic cards or any
other trunks are directly connected to our server. Everything in
registration, authentication, answering, dialing out and talking/voice are
working fine. They do support ulaw, alaw and g729 codecs.

When calling from a standard phone into their SIP, if we press digits in
the standard phone we get erratically them in the asterisk. Sometimes is
better, sometimes worse. Obviously we tested with different standard phone
lines and phone device. Sometimes we have a digit that we pressed once
appearing 2 or 3 times, other times a digit is missing.

The dtmfmode=rfc2833, they don't seem to support inband (at least, when we
turn inband nothing comes in).

To our understanding, with the rfc2833 the dtmf detection would be on
their side, and any de-bouncing would be done there. They have sonus
switches and keep saying everything is okay on their end. 

So we are basically looking into a mod/diff that might be able to adjust
better the dtmf detection in our end through rfc2833, if possible.

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 qwell - 01-16-08 10:18  
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Closing, as 1.2 is in security maintenance mode.  Only security related bug
fixes will be looked at.

Also, the DTMF situation is immensely better in 1.4. 

Issue History 
Date Modified   Username       Field                    Change               
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01-16-08 10:18  qwell          Note Added: 0080764                          
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