300-085 · Question #195
Cisco Unified Communications Manager IM & Presence supports which two protocols? (Choose two.)
The correct answer is B. CT1/QBE C. XMPP. Cisco Unified CM IM and Presence Service supports XMPP for standards-based messaging and CT1/QBE as a Cisco-proprietary client control protocol.
Question
Cisco Unified Communications Manager IM & Presence supports which two protocols? (Choose two.)
Options
- AH.323
- BCT1/QBE
- CXMPP
- DMVA
- EMGCP
How the community answered
(47 responses)- A4% (2)
- B94% (44)
- E2% (1)
Why each option
Cisco Unified CM IM and Presence Service supports XMPP for standards-based messaging and CT1/QBE as a Cisco-proprietary client control protocol.
H.323 is a voice and video call signaling protocol and is not used by IM and Presence Service for messaging or presence functions.
CT1/QBE (Computer Telephony Integration Quick Buffer Encoding) is a Cisco-proprietary protocol used by IM and Presence to provide client control and integration capabilities with Cisco Unified CM.
XMPP (Extensible Messaging and Presence Protocol) is the industry-standard protocol natively supported by Cisco IM and Presence Service for instant messaging, presence state publishing, and federation with other XMPP-compliant servers.
MVA is not a recognized protocol supported by Cisco Unified CM IM and Presence Service.
MGCP (Media Gateway Control Protocol) is a telephony gateway control protocol and has no role in IM or presence functionality.
Concept tested: Cisco IM and Presence supported protocols
Source: https://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-im-presence-service/products-installation-and-configuration-guides-list.html
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