Voicemail Settings; Nat Traversal - Snom C620 Administrator And Provisioning Manual

Voicemail Settings

Setting
Enable MWI
Subscription
Mailbox ID
Expiration (secs)
Ignore unsolicited MWI

NAT Traversal

Setting
Enable STUN
Using the WebUI
C620 Administrator and Provisioning Manual
Description
When enabled, the account subscribes to the "message
summary" event package. The account may use the User
ID or the service provider's "Mailbox ID".
Enter the URI for the mailbox ID. The phone uses this URI
for the MWI subscription. If left blank, the User ID is used
for the MWI subscription.
Enter the MWI subscription expiry time (in seconds) for
account x.
When selected, unsolicited MWI notifications—notifications
in addition to, or instead of SUBSCRIBE and NOTIFY
methods—are ignored for account x. If the C620 receives
unsolicited MWI notifications, the Message Waiting LED
will not light to indicate new messages.
Disable this setting if:
MWI service does not involve a subscription to a

voicemail server. That is, the server supports
unsolicited MWI notifications.
you want the Message Waiting LED to indicate new

messages when the C620 receives unsolicited MWI
notifications.
Description
Enables or disables STUN (Simple Traversal of UDP through
NATs) for account x. The Enable STUN setting allows the
C620 to identify its publicly addressable information behind a
NAT via communicating with a STUN server.
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