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Chapter 6: Using the Software
Multi-Tech Systems, Inc. MVPGSM 75
Advanced
Packetization Time
You can use the Packetization Time screen to specify definite packetization rates for coders selected in
the Voice/FAX Parameters screen (in the “Coder Options” group of fields). The Packetization Time
screen is accessible under the “Advanced” options entry in the sidebar list of the main VOIP software
screen. In dealing with RTP parameters, the Packetization Time screen is closely related to both
Voice/FAX Parameters and to IP Statistics. It is located in the “Advanced” group for ease of use.
Packetization time
Packetization rates can be set separately for each channel.
The table below presents the ranges and increments for packetization rates. The final column represents
recommended settings (based on the most common found) when operating with third party devices.
Packetization Ranges and Increments Recommendations
Coder Types Range (in Kbps); {default} Increments (in Kbps) Setting (in ms)
G711, G726, G727 5-120 {5} 5 20
G723 30-120 {30} 30 30
G729 10-120 {10} 10 20
NetCoder 20-120 {20} 20 20
Once the packetization rate has been set for one channel, it can be copied into other channels by using
the Copy Channel button on the Packetization Time screen. Simply click the boxes next to the channels
you wish to copy the settings for.