Which protocol is used by presence-enabled users in Cisco IM and Presence to control phones
that are registered to Cisco Unified Communications Manager?

A.
AXL/SOAP

B.
CTI/QBE

C.
SIP/SIMPLE

D.
LDAP

E.
XMPP

Explanation:
The CTI gateway provides desk phone control when users are configured for phone
association mode. Proper installation calls upon information to specify CTI gateway server names,
addresses, ports, and protocols on CUPS.Configured correctly, the CTI gateway enables users
logging in to CUPC to reach the cti gateway.