SIP User's Manual
6
.
Configuring
the MediaPack
Version 2.4
159
June 2008
Figure
6-18: Coder Groups Screen
2.
From the Coder Groups drop-down list, select the coder group number (1 through 5).
3.
For the '1
st
Codec', perform the following:
a.
From the drop-down list, select the coder you want to use. For the full list of
available coders and their corresponding ptimes, refer to the list above.
b.
From the drop-down list to the right of the coder list, select the size of the Voice
Packet (ptime) used with this coder in milliseconds. Selecting the size of the
packet determines how many coder payloads are combined into one RTP (voice)
packet.
4.
Repeat steps 2 through 3 for the second to fifth coders (optional).
5.
Click the
Submit
button to save your changes.
6.
To save the changes to the flash memory, refer to Section
1015H
6.9
,
’
1016H
Saving Configuration
Settings on the MediaPack
’ on page
1017H
131
).
Notes:
•
The ptime packetization period depends on the selected coder name.
•
If the ptime is not specified, the ptime gets a default value.
•
The ptime specifies the maximum packetization time the gateway can
receive.
•
Each coder can appear only once.