210-060 · Question #23
Many users report that there is a delay in receiving MWI notifications for voicemails. Which two issues can cause this problem? (Choose two.)
The correct answer is D. Not enough MWI assigned ports are available. E. MWIs are in the process of synchronizing with the phone system. MWI notification delays are most commonly caused by an insufficient number of MWI ports to handle the volume of requests or by MWIs being in the process of synchronizing with the phone system.
Question
Many users report that there is a delay in receiving MWI notifications for voicemails. Which two issues can cause this problem? (Choose two.)
Options
- AThe Connection Notifier service has been stopped.
- BVoicemail ports are not configured for MWI requests.
- CThe MWI functionality for the port groups has been disabled.
- DNot enough MWI assigned ports are available.
- EMWIs are in the process of synchronizing with the phone system.
How the community answered
(28 responses)- A4% (1)
- B7% (2)
- C18% (5)
- D71% (20)
Why each option
MWI notification delays are most commonly caused by an insufficient number of MWI ports to handle the volume of requests or by MWIs being in the process of synchronizing with the phone system.
If the Connection Notifier service were stopped, MWI notifications would fail entirely rather than simply be delayed.
Voicemail ports that are not configured for MWI requests would result in MWI never being sent, not in a delay for the notifications.
Disabling MWI functionality for port groups would prevent MWI from working at all, not cause a delay in delivery.
When there are not enough MWI-assigned ports available, Unity Connection must queue MWI requests and process them sequentially, causing delays before users see the message waiting lamp activated on their phones.
During a synchronization event between Unity Connection and the phone system, MWI states are being updated in bulk, which introduces a delay as the system works through the backlog of notification updates.
Concept tested: Cisco Unity Connection MWI port capacity and synchronization delays
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/14/administration/guide/b_14cucsag/b_14cucsag_chapter_011000.html
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