[asterisk-users] Having problems with BLF

[John]

You absolute beauty!

SIP ALG was enabled in our router, so that was obviously intercepting
the NOTIFY messages. I've disabled that and the busy lamp works fine,
and I'm getting no (queued) messages

Thanks so much for all your time and help

John

On 8 March 2010 05:09, Philipp von Klitzing
<klitzing at pool.informatik.rwth-aachen.de> wrote:
> Hi!
>
>> Have just tried the asterisk setup on an old server that I placed on
>> our LAN (i.e. server and extensions all on same subnet). BLF worked as
>> expected, no "queued" messages. Could NAT be the problem?
>
> Possibly - this is what chan_sip.c says just before "(queued)":
>
> "We already have a NOTIFY sent that is not answered. Queue the state up.
> If many state changes happen meanwhile, we will only send a notification
> of the last one."
>
> But of course there is always the chance to uncover a bug. :-)
>
> You might want to check if your router is somehow "SIP aware", acts as a
> SIP proxy (possibly a transparent proxy), and if yes, try to turn that
> off. And maybe share what routers (or routerS) you employ.
>
> Philipp
>
>
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-- 

JA Taylor
MA VetMB MRCVS
Mansion Hill Veterinary Practice
133-137 Main Road
Middleton Cheney OX17 2PP
01295 712110