rtp debug on the calls that do not work correctly shows packets from server to client only, none from client to server.

I do have

nat=no
directmedia=no

in sip.conf.  Are there other settings that might apply?

This last instance that I looked at, the problem persisted even after restarting the client softphone program. It was fixed after rebooting the client computer.

Any ideas on a next step for debugging? I was thinking I would start a wireshark trace to see if the rtp packets are actually leaving the client computer.



Mitch

On 03/19/2013 08:28 AM, Bharat Lalcheta wrote:
rtp set debug ip 1.2.3.4
where 1.2.3.4 is ip of your particular agent.
Say your x agent is not getting voice, rtp debu his ip.
You got rtp packet from and to for that ip. If you find rtp packet from
your agent to your server ip and rtp packet from your server to agent
ip, then no need to check anything in asterisk. Its related to your
agent pc problem
If you find any single side rtp, then its problem related to nat or
direct media etc.
if mix monitor is on storage than only you can face problem and thats
also very rare. In that case you get voice in break, but it will be from
both side not in single side. So, this is not your problem at all.
Hope you will get something in rtp debug.
R u using any trunk then also check rtp debug between your server and trunk
regards,

Bharat Lalcheta


On Tue, Mar 19, 2013 at 6:39 PM, Mitch Claborn <[email protected]
<mailto:[email protected]>> wrote:

    Thanks for the suggestions.

    1) directmedia was taking the default of "yes".  I set to "no".
      Will watch and see.

    2) NAT is turned off (nat=no).  I've never done any RTP debugging.
      Is that "rtp set debug on ip 1.2.3.4"?  How would I interpret the
    output?

    3) mixmonitor recordings are stored on a local disk (RAID array,
    very fast)

    4) This would have to be a last resort option, as there is a
    business requirement to record the agent calls


    Mitch

    On 03/19/2013 12:01 AM, Bharat Lalcheta wrote:

        1) Check directmedia option in sip. If enabled set it to no
        2) Check NAT option and RTP debug in live scenario for any
        particular agent
        3) if not solved yet, Where are your storing your mixmonitor
        recording?
        On any storage ? If yes, try to record on local harddisk.
        4) Remove mixmonitor and test again
        Hope you find can find problem 99% in above scenario.
        Regards,
        Bharat Lalcheta

        On Tue, Mar 19, 2013 at 10:21 AM, Satish Barot
        <[email protected] <mailto:[email protected]>
        <mailto:satish4asterisk@gmail.__com
        <mailto:[email protected]>>> wrote:


             On Tue, Mar 19, 2013 at 12:00 AM, Mitch Claborn
             <[email protected] <mailto:[email protected]>
        <mailto:[email protected] <mailto:[email protected]>>> wrote:

                 Asterisk 11.1.0
                 Various soft-phone SIP clients
                 call center with 10-12 agents online at once using
        asterisk queue

                 Occasionally an agent will get a call (or more often a
        series of
                 calls in a row) where neither party can hear the other,
        or can
                 only hear each other sporadically.  A MixMonitor
        recording of
                 the call plays only the caller - none of the agent's
        audio is
                 heard in the recording.

                 Looking for ideas on how to begin to diagnose this or clues
                 about what might be wrong.
                 Is there a console command that will show details of a
        specific
                 call in progress that might have some clues?

                 --

                 Mitch


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             Silly guess, If there is no then NAT did you check that your
             headphones work properly every time you start the
        softphone? This
             has happened to me in past.

             --Satish Barot
             Ahmedabad, India.

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