Aastra Telecom 9480i Series User Manual

41-001160-03, Rev 00, Releaes 2.4

4-35

Configuring Network and Session Initiation Protocol (SIP) Features

You can also configure a specific NAT address and port on the IP phone using the 
configuration files, IP Phone UI, or Aastra Web UI.

For specific parameters you can set in the configuration files, see Appendix A, the section, 

 on 

page A-29.

1

Press 

 on the phone to enter the Options List.

2

Select Administrator Menu.

3

Enter your Administrator password.
Note: The IP Phones accept numeric passwords only.

4

Select Network Settings.

5

Select Static NAT.

6

Select NAT IP.

7

Enter a public IP address of your NAT device in dotted-decimal format.

8

Press Done to save the setting.

9

Select NAT SIP Port. Default is 51620.

10

Enter the public SIP signalling port number of your NAT device.

11

Press Done to save the setting.

12

Select NAT RTP Port.

13

Enter the RTP Port number of your NAT device. Default is 51720.

14

Press Done (4 times) to finish.

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

15

Select Restart.

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