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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
Chapter5 Parameters and Defa ults
Operating Parameters
NumTxFrames
Description
Use this parameter to select the number of frames per packet that the CiscoATA transmits:
The frame size for each G.729 data packet is 10 ms.
The frame size for each G.723 data packet is 30 ms.
Note The frame size for G.711 is fixed at 20 ms per packet and is not configurable.
Examples
To obtain 60 ms of G.723 audio, set the parameter value to 2.
To obtain 120 ms of G.723 audio, set the parameter value to 4.
Note Cisco recommends using the default value of 2.
Value Type
Integer
Range
1-6
Default
2
Voice Configuration Menu Access Code
35
Related Parameters
LBRCodec, page 5-19
RxCodec, page 5-21
TxCodec, page 5-22