[cisco-voip] Group Pickup of SIP device is taking about 10 seconds to transfer to the user

[Robert Kulagowski]

On Wed, Feb 3, 2010 at 4:00 PM, Robert Kulagowski <rkulagow at gmail.com> wrote:
> We have multicast speakers which can also register as a 3rd party SIP
> device.  They're configured to register with CM 7.1(3) as DN *71.  The
> receptionist forwards the main number to *71 and the speakers act as
> overhead bells.
>
> They are in pickup group 111.  When users dial GPickup 111, it takes about
> 10 seconds after pressing "111" before the call gets transferred to the
> person that did the dial.  When we had analog bells on an ATA using SCCP the
> delay wasn't so extreme.
>
> Is there some way to shorten this time?  Is this something inherent in how
> SIP does things that's causing the delay?
>
> It shouldn't be any sort of interdigit delay, is it?  A route plan report
> doesn't show that there are any DNs or anything else similar which could be
> causing a digit delay as far as I can see.

It turns out that we weren't looking at the route plan report
carefully enough; there was a CTI that had a 11XXXXXX pattern that was
in the CSS of the devices.  Once we changed the partition to something
that wasn't visible to the users trying to do the GPickup, it all
started to work as expected.