How to register to the SIP trunk using SIP register to start a session. In document "
Cisco Unified Communications Manager Express Call Monitoring Interface Guide" the following example was given.
 
1) What  is CRS_controller ( Is this SIP trunk or route point).
2) Will the call monitoring in Cisco Unfied communication manager enterprise also.
3) How to setup CRS_controller ?
 
Please let me know.
 
 

REGISTER sip:192.0.2.105:5060;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 192.0.2.200:5060;branch=z9hG4bK4sucdtfC.Aj0pZt8vaxhRw~~1
Max-Forwards: 70
To: <sip:CRS_controller@192.0.2.105>
From: <sip:CRS_controller@192.0.2.105>;tag=ds3dbf7342
Call-ID: 11739854999401@192.0.2.200
CSeq: 2 REGISTER
Content-Length: 0
Contact: <sip:CRS_controller@192.0.2.200:5060;transport=tcp>;expires=300
Allow: INVITE, BYE, CANCEL, ACK, NOTIFY
User-Agent: Cisco-CRS/5.0
X-cisco-session-server: CISCO-L2IZ31WFE_1170978599000
Authorization: Digest
username=''axluser'',realm='''',nonce=''C6F5410C0001A22A'',qop=auth,nc=00000001,
cnonce=''08LAFIdaSVbCs+RsyyCLGQ=='',response=''eb08a551a403b4362af2832e5456ada2'',
uri=''sip:192.0.2.105:5060;transport=tcp'',algorithm=MD5