Applies to VoipNow 3 and higher!
Usually, as most phones can subscribe by themselves as soon as you enable the MWI option (for more info on this subject, please read this article), forcing MWI notifications is not necessary. However, if you've activated your Voicemail, but you're still not notified, you can force the MWI notifications. This article explains how to do that for phone devices that do not automatically subscribe to this service.
To enable forced MWI notifications for an extension, take the following steps:
STEP 1: Select the extension.
STEP 2: Go to the Extensions → Provisioning and SIP page.
STEP 3: Select the Force enable of MWI checkbox in the SIP Preferences section.
With this option enabled, the extension gets notified only if the status of the voice mailbox changes: a new message arrives, a message is deleted, another message is read, etc.
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