SX20 : how to configure default SIP extension

[CNS]

Hi, How can we configure the default extension when calling a SIP address ?

So far, when we use the shortname of a unit (for example 2221), the system automatically appends a wrong SIP extension {@xrce.xeroxlabs.com). We would like the system to add instead the right extension which is @10.64.84.20. Where do we specify this in the System settings please ?

[Syed]

Login to SX20 - System Configuration - SIP - change URI and save.

[CNS]

Thanks for your answer,

But when we call 2201 for example, we had 2201@xrce.xeroxlabs.com and I want : 2201@10.64.84.20

I want to change this one : @"..."

[Patrick Sparkman]

What protocol are you using when dialing from the SX20?
Is the SX20 registered to a call control server, or is standalone?