[reSIProcate] User domain and authorization name

[resiprocate <resiprocate@xxxxxxxxx>]

Hi all, I'm new to reSIProcate, I have make my test UA can register to server and un-register from server.
 
But there I have two questions.
 
1: How to set the user domain ? I mean, for example,
 
My real SIP server is: 
192.168.1.100
My SIP Uri is:  sip:myaccount@xxxxxxxx - the user "myaccount" on the domain test.com
 
The how to let sip:myaccount@xxxxxxxx register to SIP server?
 
 
2: I saw the eyeBeam have a authorization name option, how to set the authorization name with reSIProcate?
 
 
I'm newbie, I really need your helps. I have search in the mailist and check the wiki, but I can't solve my quesitons.
Please help me, thank you in advance.