[asterisk-bugs] [Asterisk 0014570]: AMD hangs, leaving orphaned channel

[Asterisk Bug Tracker]

The following issue has been UPDATED. 
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https://issues.asterisk.org/view.php?id=14570 
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Reported By:                grant
Assigned To:                
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Project:                    Asterisk
Issue ID:                   14570
Category:                   Applications/app_amd
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     closed
Asterisk Version:           SVN 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 179021 
Request Review:              
Resolution:                 suspended
Fixed in Version:           
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Date Submitted:             2009-02-27 11:38 CST
Last Modified:              2009-06-10 12:34 CDT
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Summary:                    AMD hangs, leaving orphaned channel
Description: 
An outgoing call is originated through the manager interface, one of the
early steps in the dialplan is the execution of AMD within a macro

exten => s, 1, amd(1500,1900,555,5500,,,7,256)

The last event received through the manager interface is:

Event: Newexten
Privilege: dialplan,all
Timestamp: 1235752914.930024
Channel: SIP/robert-08fb7ce8
Context: macro-detectMachineHuman
Extension: s
Priority: 1
Application: AMD
AppData: 1500,1900,555,5500,,,7,256
Uniqueid: 1235752890.625

There are no more manager events delivered for this channel.

The asterisk verbose log shows these as the last few entries:

[2009-02-27 11:41:54] VERBOSE[3786] pbx.c: [2009-02-27 11:41:54]        >
Channel SIP/robert-08fb7ce8 was answered.
[2009-02-27 11:41:54] DEBUG[3806] pbx.c: Launching 'Answer'
[2009-02-27 11:41:54] VERBOSE[3806] pbx.c: [2009-02-27 11:41:54]     --
Executing [s at pjtypePL:1]
^[[1;36mAnswer^[[0m("^[[1;35mSIP/robert-08fb7ce8^[[0m", "^[[1;35m^[[0m") in
new stack
[2009-02-27 11:41:54] DEBUG[3806] pbx.c: Launching 'Macro'
[2009-02-27 11:41:54] VERBOSE[3806] pbx.c: [2009-02-27 11:41:54]     --
Executing [s at pjtypePL:2]
^[[1;36mMacro^[[0m("^[[1;35mSIP/robert-08fb7ce8^[[0m",
"^[[1;35mdetectMachineHuman^[[0m") in new stack
[2009-02-27 11:41:54] DEBUG[3806] pbx.c: Launching 'AMD'
[2009-02-27 11:41:54] VERBOSE[3806] pbx.c: [2009-02-27 11:41:54]     --
Executing [s at macro-detectMachineHuman:1]
^[[1;36mAMD^[[0m("^[[1;35mSIP/robert-08fb7ce8^[[0m",
"^[[1;35m1500,1900,555,5500,,,7,256^[[0m") in new stack
[2009-02-27 11:41:54] VERBOSE[3806] app_amd.c: [2009-02-27 11:41:54]    
-- AMD: SIP/robert-08fb7ce8 8042349043 (null) (Fmt: 64)
[2009-02-27 11:41:54] VERBOSE[3806] app_amd.c: [2009-02-27 11:41:54]    
-- AMD: initialSilence [1500] greeting [1900] afterGreetingSilence [555]
totalAnalysisTime [5500] minimumWordLength [100] betweenWordsSilence [50]
maximumNumberOfWords [7] silenceThreshold [256] maximumWordLength [5000]
[2009-02-27 11:41:54] DEBUG[3806] dsp.c: Setup tone 1100 Hz, 500 ms,
block_size=160, hits_required=21
[2009-02-27 11:41:54] DEBUG[3806] dsp.c: Setup tone 2100 Hz, 2600 ms,
block_size=160, hits_required=116

also ...

*CLI> sip show channels
Peer             User/ANR    Call ID          Format           Hold    
Last Message    Expiry
127.234.152.9     2610847742  7ff7cfdd7de4195  0x4 (ulaw)       No      
Tx: ACK
1 active SIP dialog


It is as if AMD hangs. The channel remains in list for a long time after
the call is finished.
This is an intermittent problem, the dialplan executed AMD successfully on
283 other originations before this one failed.

Is there a way I can provide more useful info?
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---------------------------------------------------------------------- 
 (0106227) lmadsen (administrator) - 2009-06-10 12:34
 https://issues.asterisk.org/view.php?id=14570#c106227 
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Closed due to lack of response from the reporter. If you can provide the
requested information, please reopen this issue and attach the information.
Thanks! 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-06-10 12:34 lmadsen        Note Added: 0106227                          
2009-06-10 12:34 lmadsen        Status                   feedback => closed  
2009-06-10 12:34 lmadsen        Resolution               open => suspended   
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