300-085 · Question #168
With which client is the MWI synchronized with an IP phone after an email that contains a voice message is opened and the voice message is listened to?
The correct answer is A. IMAP. IMAP is the only protocol that synchronizes message read-state back to the server, allowing Unity Connection to clear the MWI on the IP phone when a voicemail is played.
Question
With which client is the MWI synchronized with an IP phone after an email that contains a voice message is opened and the voice message is listened to?
Options
- AIMAP
- BSMS
- CExchange
- DPOP3
- EMMS
How the community answered
(60 responses)- A87% (52)
- B7% (4)
- C2% (1)
- D2% (1)
- E3% (2)
Why each option
IMAP is the only protocol that synchronizes message read-state back to the server, allowing Unity Connection to clear the MWI on the IP phone when a voicemail is played.
IMAP maintains a persistent, server-side message state, so when a user opens and listens to a voice message via an IMAP client, the server is notified that the message is read. Cisco Unity Connection monitors this IMAP read-state change and uses it to trigger MWI deactivation on the associated IP phone.
SMS is a text messaging transport protocol and has no mechanism for delivering voicemail content or synchronizing MWI state.
Exchange is a mail server platform, not a client protocol; it does not directly handle the per-message read-state signaling required for MWI sync in this context.
POP3 downloads messages and deletes or leaves them on the server without transmitting read-state back, so Unity Connection cannot detect when a message was listened to.
MMS is a multimedia messaging protocol for mobile networks and plays no role in enterprise voicemail or MWI synchronization.
Concept tested: IMAP client MWI synchronization with Cisco Unity Connection
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/15/administration/guide/b_15cucsgad/b_15cucsgad_chapter_01101.html
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