Refer to the exhibit. Which protocol is used for communication between Cisco IM and Presence and Microsoft Exchange Server?

The correct answer is C. EWS. EWS (Exchange Web Services) is the SOAP/HTTPS-based API that Microsoft Exchange exposes for programmatic access to mailbox data. Cisco IM and Presence uses EWS to query Exchange calendars so it can update a user's presence status based on meeting availability (e.g., 'In a Meeting

Cisco Unified IM and Presence

Question

Exhibit

Options

APOP3
BIMAP
CEWS
DXMPP

How the community answered

(28 responses)

A
7% (2)
C
89% (25)
D
4% (1)

Explanation

EWS (Exchange Web Services) is the SOAP/HTTPS-based API that Microsoft Exchange exposes for programmatic access to mailbox data. Cisco IM and Presence uses EWS to query Exchange calendars so it can update a user's presence status based on meeting availability (e.g., 'In a Meeting'). POP3 and IMAP are legacy email retrieval protocols and are not used by IM&P for this integration. XMPP is the protocol Cisco IM&P uses internally for instant messaging and presence federation - it has no role in communicating with Exchange Server.

Topics

#Cisco IM and Presence#Microsoft Exchange integration#EWS protocol#Collaboration protocols

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