Aastra 9143i Series Administrator's Manual page 237

Aastra Web UI
Step Action
2 The "UPnP" field is disabled by default. To enable UPnP, place a check in the "Enabled" box.
Uncheck the box to disable this field. This field enables and disable UPnP on the IP phone.
3 Click
41-001160-03 Rev 00, Release 2.5
Configuring Network and Session Initiation Protocol (SIP) Features
to save your settings.
Network Settings
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