[asterisk-bugs] [JIRA] (ASTERISK-26224) Asterisk not sending out some rtp packets from ConfBridge App

[Marco Nicoloso (JIRA)]

Marco Nicoloso created ASTERISK-26224:
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             Summary: Asterisk not sending out some rtp packets from ConfBridge App
                 Key: ASTERISK-26224
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26224
             Project: Asterisk
          Issue Type: Information Request
      Security Level: None
          Components: Applications/app_confbridge
    Affects Versions: 11.13.0
         Environment: Linux CentOS 6.5 x64
            Reporter: Marco Nicoloso


Starting this thread as Information Request.
Our system, based on Asterisk 11.13 has as much as 100 SIP channels continuously recorded and inside conference app_confbridge.
Users on demand can connect to these conference bridges, hear and talk into conference.
Hardware is correctly dimensioned to hold up to nearly 2000 simultaneous conferences in the confbridge with 2 channels present in each of them.
The effect is that users can hear with their client some short audio breaks  (20ms-60ms) when connected to these conferences. The problem happens quite frequently and we discovered that is not a network problem, as RTP traffic is correctly QoS-prioritized and we have no packet drops.
The problem showed up evidently when we started the registration of channels through Confbridge App. On 1 hour of registration we lose about 70 seconds of samples. (That's about 600000 samples at 8 kHz)
We are using u-law everywhere.
Even when the remote channels are located in very different networks, on the historical VuMeter of our client we can see short audio holes at the same time on those channels.
That's why I am addressing this question...
Could the issue be related to timing source? Can I have an advice on how to solve the issue?
Thanks.




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