[asterisk-bugs] [JIRA] (ASTERISK-21799) Dropouts/distortion in MixMonitor recording when recording RTP with ptime of 60ms

[Michael Walton (JIRA)]

Michael Walton created ASTERISK-21799:
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             Summary: Dropouts/distortion in MixMonitor recording when recording RTP with ptime of 60ms
                 Key: ASTERISK-21799
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21799
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_mixmonitor
    Affects Versions: 11.4.0
         Environment: Ubuntu 10.04.4 LTS
            Reporter: Michael Walton
            Severity: Minor


When using MixMonitor to record a SIP call, the recording is heavily distorted due to repeated discontinuities in the recorded stream. Rate of dropout is 10-20 times per second. 

The bug has been found in main/slinfactory.c and exists in at least 1.8 and 11 SVN revisions. The problem is in the hold buffer logic in ast_slinfactory_read(). A patch will be attached with a tested solution.

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