Which device is the initiator of a StationD message in a Cisco Unified Communications Manager

SDI trace?

A.
SCCP IP phone

B.
SIP IP phone

C.
Cisco Unified Communications Manager

D.
MGCP analog gateway

E.
digital voice gateway

Explanation:
All messages to and from a skinny device are preceded by either the words Stationd
or StationInit. StationD messages are sent from call manager to IP phone.Skinny message
transmission such as this between the IP phone and CallManger occurs for every action
undertaken by the IP phone,including initialization,registration,on-hook,off-hook,dialing of the
digits,key press on the phone,and so much more.