[Freeswitch-users] calls appear to be dropping ... from landlines

Dale Trub daletrub at gmail.com
Thu May 21 19:15:20 PDT 2009

We're running FreeSwitch as part of a teleconferencing service, inside a
telcom (so no
internet latency/NAT issues) and using g.729

We are receiving some complaints of dropped calls,
including from landlines.   This means they join the conference, and x
minutes in they simply drop.

I know that cellphones tend to drop calls frequently, but landlines
are pretty reliable, and we're hearing it a lot.  From the FreeSwitch side
of things, it just
looks like those callers hung up (but then dialed back in just a moment

I'm attaching two different snippets of the FS log files where these issues
are occurring.

Does anyone have any recommendations about how to troubleshoot this?

Any known issues/patches in FS that could be biting us?

Is there some SIP logging we can do to debug?

Are there any paid contractors avail who would have the expertise to look
into this?

Any help appreciated ... this is a major issue for us!

Thanks much,


daletrub at gmail.com
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