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44 Additional configuration using the VoIP Settings menu
2
From the Main Menu,gotoSettings > VoIP Settings >
Registration and select Misc. then press OK to accept selection.
3
Select 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 160 Kb/s.
4
Press OK to confirm.
—End—
Modifying Codec Priority lists
To set Audio and Video codec priorities (to suit the specifics of your MCS
5200 setup), use this configuration option.
Configuring the order of Codec Priority:
Step Action
1
Log in to the Nortel IP Phone 1535 using the Admin Mode.For
more information, see "Logging in to the IP Phone 1535 Admin
mode " (page 23).
2 From the Main Menu,gotoSettings > VoIP Settings > Misc. and
select Codec Priority. Press OK.
3
Select the Codec Type (Audio or Video) to configured, and press
OK.
4 Select 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 u-law, G.711 a-law, G.723, G.729, AMR,orNone.
You can configure these Audio codec types in a priority list of up
to five options. Prioritize codecs depending on your network
configuration.
b. Video: The IP Phone 1535 supports the following Video Codec
Types: H.263 and H.264. You can configure these Video codec
types in a priority list of up to five options. Prioritize codecs
depending on your network configuration.
5
Press OK to accept the new pr iority level of the chosen Codec.
—End—
Multimedia Communications Server 5100
IP Phone 1535 Installation and Configuration
NN43160-103 01.02 Standard
Release 3.5 20 November 2006
Copyright © 2006, Nortel Networks Nortel Networks Confidential
.