Configuration of IP Telephony nodes using OTM 2.2 Page 475 of 910
IP Line Description, Installation and Maintenance
3Under Codec Options, the following parameters are user-configurable
on a per-codec basis:
Leave the values at their default settings unless directed to change them
as follows or by Nortel Field Support.
a. Law type: The law type is applicable to G.711 only. The default is
mu-law.
b. Voice Activity Detection: The default is VAD disabled.
The VAD value is stored in the Config.ini file under the entry
VadEnabled=
VAD is not supported for G.711.
c. Voice payload size: The default is the maximum supported. This
parameter is not configurable for the following:
• G.723.1
•T.38 Fax
• G.711 Clear Channel Fax
The payload size is stored in the Config.ini file under the entry
VxPayload=
d. Voice playout nominal delay (nominal jitter buffer)
Voice playout maximum delay (maximum jitter buffer)
The default values and the range of allowed values are displayed in
the drop-down lists.
4Click OK.