User's Manual

Codec Algorithm Data Rate

(Kbps)

Comments

ITU G.711 PCM (Pulse Code

Modulation)

64 G.711 with mu-law used

in North America and

Japan, while G.711 with

A-law used in the rest of

the world.

ITU G.722 SBADPCM (Sub-Band

Adaptive Differential

Pulse Code Modulation)

48, 56 and 64

ITU G.723 Multi-rate Coder 5.3 and 6.4

ITU G.726 ADPCM (Adaptive

Differential Pulse Code

Modulation)

16, 24, 32, and

ITU G.728 LD-CELP (Low-Delay

Code Excited Linear

Prediction)

ITU G.729 CS-ACELP (Conjugate

Structure Algebraic-Code

Excited Linear Prediction)

An administrator can create profiles that use pre-existing VoIP profiles to

configure various codec data rates and frame rates to improve voice quality in

VoIP transmissions.

To create a VoIP profile:

NOTE: Ensure

Voice over IP is not disabled in the Administrator Tool

Application Settings. It is enabled by default.

1. Click Include Profiles.

2. Select a profile from the list.

3. Click Properties to open the Create VoIP Profiles page.

4. Select the Codec bandwidth, application usage and Frame Rate.

Codec Usage Frame Rate