VTech VSP735 Administrator And Provisioning Manual page 39

Ignore unsolicited MWI
Enable Stutter Dial Tone
NAT Traversal
Setting
Enable STUN
Server address
Server port
Enable UDP Keep-Alive
Keep-alive interval (secs)
VSP735 Administrator and Provisioning Manual
When selected, unsolicited MWI notifications—notifications
in addition to, or instead of SUBSCRIBE and NOTIFY
methods—are ignored for account x. If the deskset receives
unsolicited MWI notifications, the deskset 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 deskset receives unsolicited MWI
notifications.
Enables or disables the stutter dial tone for that account
(indicating message(s) waiting) when the phone goes off
hook.
Description
Enables or disables STUN (Simple Traversal of UDP through
NATs) for account x. The Enable STUN setting allows the
phone to identify its publicly addressable information
behind a NAT via communicating with a STUN server.
Enter the STUN server IP address or domain name.
Enter the STUN server port.
Enables or disables UDP keep-alives. Keep-alive packets are
used to maintain connections established through NAT.
Enter the interval (in seconds) for sending UDP keep-alives.
39 WebUI: System