Use this screen to specify the type of codec used for voice encoding and companding (compression/decompression).

The default codec is set for G711. The G711 provides the highest voice quality, but G711 uses the maximum bandwidth. If G711 does not meet the required voice-quality or bandwidth trade-off specification, you can change the G711 default setting.

To modify the values of the fields on this screen, use the following command:

change ip-codec-set n, where n is the IP codec set number.