AASTRA 480i User Manual

Advanced Network Settings

4-54

41-001129-00 Rev 09, Release 1.4.1  

IP Phone Administrator Guide

Use the following procedures to configure RTP, basic Codecs, customized 
Codecs, DTMF, and silence suppression on the IP phone.

For specific parameters you can set in the configuration files, see Appendix A, the sections:
•

 on 

•

•

on 

page A-61.

1

For 9112i/9133i:
Press 

I

on the phone to enter the Options List.

For 480i/480i CT:
Press 

% on the phone to enter the Options List.

2

Select SIP Settings.

Select RTP Port Base to change the RTP port base setting. Default is 3000.

4

Press Done to save the RTP Port Base setting.

5

Select Phone Status.

6

Select Restart Phone and press Restart to restart the IP phone.