Aastra Telecom 57I C53I Betriebsanweisung

Advanced Network Settings

4-30

41-001160-00, Rev 01  Release 2.0  

IP Phone Administrator Guide

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1

Click on Advanced Settings->Network->Advanced Network Settings

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2

In the UPnP field, place a check in the “Enabled” box to turn ON UPnP.

Note: To manually configure NAT, uncheck (disable) the “Enabled” box.

3

In the NAT RTP Port field, specify the beginning of the RTP port range on the gateway. 
Default is 51720.

4

Click 

 to save your settings.

Note: The session prompts you to restart the IP phone to apply the configuration settings.

5

Select Operation->Reset and click 

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