50Additional configuration using the VoIP Settings menu
Step Action
1Log in to the IP Phone 1535 using the Admin Mode. For more information, see "Logging in to the IP Phone 1535 Admin Mode" (page 25).
2From the Main Menu, go to Settings > VoIP Settings > Registration and select Misc. then press OK to accept selection.
3Select CTBW and press OK. The parameters controlling bandwidth usage are now available. Set the bandwidth parameter to a value between the range of 60 and 250 Kb/s. By default, the IP Phone 1535 is set with a CTBW value of 250 Kb/s.
4Press OK to confirm.
—End—
Modifying Codec Priority lists
To set Audio and Video codec priorities (to suit the specifics of your
Communications Server setup), use this configuration option.
Configuring the order of Codec Priority:
Step Action
1Log in to the IP Phone 1535 using the Admin Mode. For more information, see "Logging in to the IP Phone 1535 Admin Mode" (page 25).
2From the Main Menu, go to Settings > VoIP Settings > Misc. and select Codec Priority. Press OK.
3Select the Codec Type (Audio or Video) to configured, and press OK.
4Select the priority level, and assign a codec from the list of codecs available:
a.Audio: The IP Phone 1535 supports the following Audio Codec
Types: G.711
b.Video: The IP Phone 1535 supports the following Video Codec
Types: H.263 and H.264. You can configure these Video codec
Nortel Communications Servers
Nortel IP Phone 1535 Installation and Commissioning
Release 4.0/SN10 28 October 2009
Copyright © 2009, Nortel Networks
