[Freeswitch-users] Parallel Outbound Dialing Failure Causes

Colin Morelli colin.morelli at gmail.com
Thu Jul 7 21:18:50 MSD 2016

Hey all,

I'm trying to initiate a parallel outbound bridge to a SIP user and pickup
group combination. I have devices on mobile networks that don't register
(my experience has been that doing SIP registrations on mobile devices
makes little sense - better off to just send a push notification and allow
them to call into FS with a pickup group)

Anyway, it seems like the call is immediately terminated when FS receives a
final response from my SIP endpoint, whether the call_timeout value has
been reached or not. I've tried setting
fail_on_single_reject=CALL_REJECTED, FS immediately closes the pickup group
channel and terminates the bridge, even when the response from the SIP
endpoint is UNALLOCATED_NUMBER (404).

Am I missing something else here - is this a bug or is this how pickup
groups are supposed to work? If the latter, is there something else I can
do to ensure the channel bridge attempt stays active and ringing until the
timeout is reached, unless one of the legs responds with an explicit

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