[asterisk-bugs] [Asterisk 0011443]: Call hangup if send a DTMF during phone ringing in DTMF HYBRID MODE

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A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=11443 
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Reported By:                eferro
Assigned To:                
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Project:                    Asterisk
Issue ID:                   11443
Category:                   Channels/chan_mgcp
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.15  
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:             12-03-2007 06:19 CST
Last Modified:              12-10-2007 18:39 CST
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Summary:                    Call hangup if send a DTMF  during phone ringing in
DTMF HYBRID MODE
Description: 
If from A phone y dial to B phone, when B phone start ringing, if I press a
digit in A phone, asterisk send:

RQNT 30 aaln/2 at mta248.lab.voip MGCP 1.0 
X: 626395fe
R: L/hd(N)
S: 5

So, even if B phone is ON HOOK asterisk try to send the digit (in this
case "5"), the other phone reply with:

402 30 Phone Already Onhook

And asterisk hangup the call.

I test the same process with asterisk 1.4.4 and asterisk don't send
anything to the B phone before the off hook transition. So when B is
ringing anything happens if I press a digit.

I have a little patch to workaround this problem but is not a good
solution becouse it check for ON/OFF HOOK state before send the digit with
mgcp...

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---------------------------------------------------------------------- 
 eferro - 12-10-07 18:39  
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The dtmf_control_hybrid-inband-mode.patch control the RQNT message using
the OFFHOOK/ONHOOK state. So if the mode is hybrid or in-band it not
request the DTMFs events.

This patch also change mgcp_senddigit_begin and mgcp_senddigit_end because
in the previous version allways send the DTMF using MGCP signaling... even
if we are using in-band/hybrid mode. 

Issue History 
Date Modified   Username       Field                    Change               
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12-10-07 18:39  eferro         Note Added: 0075170                          
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