User Guide

R26/R23 Series
Admin Guide
30
4.2.4. Codec
Go to Account - Advanced to configure SIP call related codec.
SIP Account: To choose which account to configure.
Audio Codec: R26/R23X support four audio codec: PCMA, PCMU,
G729, G722. Different audio codec requires different bandwidth,
users can enable/disable them according to different network
environment.
Note: Bandwidth consumption and sample rates are as below:
Codec
Bandwidth
Sample Rates
PCMA
64kbit/s
8kHz
PCMU
64kbit/s
8kHz
G729
8kbit/s
8kHz
G722
64kbit/s
16kHz
Video Codec: R26/R23X supports H.264 standard, which provides
better video quality at substantially lower bit rates than previous
Figure 4.2.4-1 Codec
Figure 4.2.4-2 Codec