[Freeswitch-users] 5 second delay when taking a phone off hold

[Dave Horton]

It turns out the bug (if it is one) is different than I thought.  When handling the on-hold re-INVITE, I was attempting to play moh to the caller via a lua script that I had set a variable for initially.  It turns out that script was trying to play a non-existent file.  The SIP call itself was not affected, but then when I went off hold I encountered the 5-sec delay apparently because the state of channel for the leg was in a state due to the play failure (or the script failure, as the lua script itself exited ungracefully) such that the attempt to set the CF_BROADCAST flag to false failed.

Not sure if you consider this a bug or not.

Dave
On Sep 14, 2016, at 1:07 PM, Michael Jerris <mike at jerris.com> wrote:

Please test latest code first.

> On Sep 13, 2016, at 10:29 AM, Dave Horton <daveh at beachdognet.com> wrote:
> 
> I have noticed that when I put a phone on hold, and then later take it off hold that there is a 5 second delay when Freeswitch handles the re-INVITE off-hold (no such delay going on hold).
> 
> My app is a fairly simple bridging application, where call is placed from A to B through Freeswitch; the B leg goes on hold and then later attempts to go off hold.
> 
> I have tracked the 5 second delay to this line of code in switch_core_media.c:
> 
> 			if (b_channel) {
> 				if (switch_channel_test_flag(session->channel, CF_HOLD)) {
> 					switch_ivr_unhold(b_session);
> 					switch_channel_clear_flag(session->channel, CF_SUSPEND);
> 					switch_channel_clear_flag(session->channel, CF_HOLD);
> 				} else {
> 					switch_channel_stop_broadcast(b_channel);
> 					switch_channel_wait_for_flag(b_channel, CF_BROADCAST, SWITCH_FALSE, 5000, NULL);  <== 5 second delay happens here
> 				}
> 			}
> 
> 
> Couple of other data points:
> 1.  When I go on hold, the INVITE on hold that Freeswitch receives on one leg is not propagated out the associated leg, for whatever reason
> 2.  I am using late negotiation of the SDP between the A and B legs.
> 3.  I am running version 1.68
> 
> Is this a bug and should I open a Jira?  I can obviously provide traces but wanted to first know if this is a bug or some configuration issue
> 
> Dave

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