[asterisk-users] Delay between answer and pickup ?

[Olivier]

2010/7/11 Julian Lyndon-Smith <asterisk at dotr.com>

> Anyone got a clue  ? (he asks in desperation!)
>
> Julian
>
> On 9 July 2010 17:48, Julian Lyndon-Smith <asterisk at dotr.com> wrote:
> > We are having a situation on our dialler here where our agents are
> > claiming that when they receive a call because it has been answered,
> > it seems as if the call had been answered several seconds earlier -
> > IOW, they are hearing "hello ? Hello ?" and often hear the phone being
> > put down as an initial part of the call.
> >
> > We have verified this by checking the voice recordings.
> >
> > Yet, the logs of asterisk don't show this discrepancy.
> >
> > We are using a local channel to dial a landline through a sip
> > provider.
>

Could it be possible that the firewall is waiting for outbound RTP media,
before letting inbound RTP come in ?


> When the call is answered, the agent's phone is then
> > dialled.
> >
> > the logs go something like this
> >
> >
> > [Jul  9 13:29:26] VERBOSE[23396] logger.c: [Jul  9 13:29:26]     --
> > SIP/provider-0001ed6e is making progress passing it to
> > Local/SomeNumber at dialleroutbound-4c93,2
> > [Jul  9 13:29:44] VERBOSE[23396] logger.c: [Jul  9 13:29:44]     --
> > SIP/provider-0001ed6e answered
> > Local/01577864929 at dialleroutbound-4c93,2
>

What would rtp debug show ?


> > ..
> >
> > [Jul  9 13:29:45] VERBOSE[23416] logger.c: [Jul  9 13:29:45]     --
> > Executing [*0086*@diallerconnected:2]
> > Dial("Local/SomeNumber at dialleroutbound-4c93,1",
> > "SIP/*0086*|5|iA(autoanswer)") in new stack
> > [Jul  9 13:29:45] VERBOSE[23416] logger.c: [Jul  9 13:29:45]     --
> > Local/SomeNumber at dialleroutbound-4c93,1 requested special control 20,
> > passing it to SIP/*0086*-0001ed73
> > [Jul  9 13:29:46] VERBOSE[23416] logger.c: [Jul  9 13:29:46]     --
> > Local/SomeNumber at dialleroutbound-4c93,1 requested special control 20,
> > passing it to SIP/*0086*-0001ed73
> > [Jul  9 13:29:46] VERBOSE[23416] logger.c: [Jul  9 13:29:46]     --
> > Local/SomeNumber at dialleroutbound-4c93,1 requested special control 20,
> > passing it to SIP/*0086*-0001ed73
> > [Jul  9 13:29:46] VERBOSE[23416] logger.c: [Jul  9 13:29:46]     --
> > SIP/*0086*-0001ed73 answered Local/SomeNumber at dialleroutbound-4c93,1
> >
> > ..
> >
> > as you can see, the call is answered at 13:29:44 and the agent gets
> > called (auto-answer phones) at 13:29:46, yes if you listen to the call
> > recording, there is a 6 second gap between the person saying "hello"
> > and the agent being connected.
> >
> > Is it possible that the call was answered 5 seconds *before* I get
> > notification of the answer ? i.e. is the provider taking too long
> > notifying me of the answer ?
> >
> > Julian
> >
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>               http://www.asterisk.org/hello
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20100713/c6506065/attachment.htm