[asterisk-users] BLF with Aastra

[Steve Langstaff]

What did you change? 

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matt
> Sent: 14 August 2007 20:46
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] BLF with Aastra
> 
> Well that was it... it is no longer timing out.
> 
> On 8/14/07, James FitzGibbon <james.fitzgibbon at gmail.com> wrote:
> > On 8/14/07, Matt <mhoppes at gmail.com> wrote:
> > > I have a 536i expansion module attached to a 57i-CT.   
> The BLF lights
> > > on the 536i will light up and work fine for a while... 
> however after 
> > > a bit they seem to loose their ability to see if someone 
> is on a phone.
> > > They still work to dial, if I try to dial, however, they 
> don't light
> > > up when someone makes a call, or if their phone rings.    
>  If I reboot
> > > the phone, the lights start working again (for a while).
> > >
> >
> > Does 'sip show subscriptions' indicate that the 57i is still 
> > subscribed to the extension for updates?  If not, you might 
> have to do 
> > a test with 'sip debug peer aastraname' to confirm that the 
> > subscription is being made properly on phone startup and not being 
> > removed by the phone in response to some state change.
> >
> > A quick glance at chan_sip.c indicates that if a user agent 
> tries to 
> > subscribe with an expiry time greater than 'maxexpiry' from 
> sip.conf 
> > (default 3600 seconds), the subscription expiry in Asterisk will be 
> > silently changed to whatever the allowed maximum is.  So if 
> the Aastra 
> > is trying to subscribe for say 3 hours and Asterisk doesn't allow 
> > subscriptions greater than one hour, then notify messages will stop 
> > being sent after one hour until the Aatra re-subscribes.  I haven't 
> > delved in very deep, so I can't tell if the response to the UA 
> > indicates the actual expiry Asterisk used, but even so 
> you'd have to 
> > be certain that the Aastra respects an expiry in the 
> response that differs from what it asked for.
> >
> > When you're doing the debug (hopefully on a quiet system), 
> watch the 
> > phone boot, then use 'sip show subscriptions' to get the call-id of 
> > the subscription.  Then watch for console messages 
> indicating that the 
> > call has been destroyed (which should come at the 1 hour mark or 
> > whatever time the Aastra used for it's subscription length.
> >
> > --
> > j.
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