[asterisk-bugs] [Asterisk 0012152]: No sound during bringe ZAP<->SIP

[noreply at bugs.digium.com]

The following issue requires your FEEDBACK. 
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http://bugs.digium.com/view.php?id=12152 
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Reported By:                kowalma
Assigned To:                
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Project:                    Asterisk
Issue ID:                   12152
Category:                   Channels/chan_sip/General
Reproducibility:            random
Severity:                   minor
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.4.18 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!): 106038 
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             03-05-2008 14:42 CST
Last Modified:              03-05-2008 17:06 CST
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Summary:                    No sound during bringe ZAP<->SIP
Description: 
I've got problem with no sound between SIP <-> ZAP. Problem causes
randomly. rasterisk says:

-- B-channel 0/1 successfully restarted on span 4
    -- Accepting call from '240' to '511' on channel 0/31, span 4
    -- Executing [511 at na-miasto:1] NoCDR("Zap/124-1", "") in new stack
    -- Executing [511 at na-miasto:2] Dial("Zap/124-1",
"SIP/kowal&SIP/kowal2|600") in new stack
    -- Called kowal
    -- Called kowal2
    -- SIP/kowal2-0847a790 is ringing
    -- SIP/kowal-08475448 is ringing
    -- SIP/kowal2-0847a790 answered Zap/124-1
[Mar  5 21:16:25] WARNING[3937]: rtp.c:2047 ast_rtp_stop: Unable to cancel
schedule ID 0.  This is probably a bug (rtp.c: ast_rtp_stop, line 2047).
== Spawn extension (na-miasto, 511, 2) exited non-zero on 'Zap/124-1'
    -- Executing [h at na-miasto:1] Hangup("Zap/124-1", "16") in new stack
  == Spawn extension (na-miasto, h, 1) exited non-zero on 'Zap/124-1'
    -- Hungup 'Zap/124-1'
    -- B-channel 0/2 successfully restarted on span 4
    -- Remote UNIX connection disconnected
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 file - 03-05-08 17:06  
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You need to provide much more information as attachments, such as sip debug
and rtp debug as well as a general network topology. Are the devices behind
NAT, are you, etc. 

Issue History 
Date Modified   Username       Field                    Change               
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03-05-08 17:06  file           Note Added: 0083509                          
03-05-08 17:06  file           Status                   new => feedback     
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