You need to establish a connection from your Cisco Unified CallManager cluster to a service provider’s registrar server. Which trunk type should you select?
A.
intercluster trunk (non-gatekeeper-controlled)
B.
intercluster trunk (gatekeeper-controlled)
C.
H.225 trunk (gatekeeper-controlled)
D.
SIP trunk
Explanation:
There are three types of SIP server (SIP User Server)
Proxy Servers,
Redirect Servers,
Registar Servers – A registrar server processes requests from UACs (User Agent Client) for registration of their current location.