300-810 · Question #28
Refer to the exhibit. A collaboration engineer has integrated Cisco Unity Express with Cisco Unified Communications Manager Express and is experimenting with the MWI feature. With the current configur
The correct answer is B. ccn subsystem sip mwi envelop-info D. ccn subsystem sip mwi sub-notify. For MWI (Message Waiting Indicator) to function in a Cisco Unity Express (CUE) integration with CUCME, two specific SIP subsystem commands must be configured. 'ccn subsystem sip mwi envelop-info' (option B) enables the use of SIP NOTIFY messages with envelope information to signa
Question
Refer to the exhibit. A collaboration engineer has integrated Cisco Unity Express with Cisco Unified Communications Manager Express and is experimenting with the MWI feature. With the current configuration, no MWI change occurs when leaving new messages or after playing new messages. Which two changes are needed to correct the configuration? (Choose two.)
Exhibit
Options
- Accn subsystem sip mwi sip outcall
- Bccn subsystem sip mwi envelop-info
- Csip-ua
- Dccn subsystem sip mwi sub-notify
- Esip-ua
- Fsip-ua
How the community answered
(54 responses)- A4% (2)
- B81% (44)
- C2% (1)
- E11% (6)
- F2% (1)
Explanation
For MWI (Message Waiting Indicator) to function in a Cisco Unity Express (CUE) integration with CUCME, two specific SIP subsystem commands must be configured. 'ccn subsystem sip mwi envelop-info' (option B) enables the use of SIP NOTIFY messages with envelope information to signal the presence of new voicemail. 'ccn subsystem sip mwi sub-notify' (option D) enables the Subscribe/Notify mechanism that allows phones to subscribe to MWI status changes and receive NOTIFY updates. Without both commands, CUE cannot communicate MWI state changes to the phones, resulting in the lamp never lighting or clearing when messages are left or retrieved.
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