Internet Telephony Gateway User's Manual

VIP User’s Manual

Command Line Interface

6.10 Voice Coding Profile Configuration Commands

Coding profile is used to store coding parameters for voice and fax coding p that can be used by te-

lephony port on VIP. VIP has built-in coding profiles, each having a unique profile ID and parame-

ters for specific voice, fax or modem coder. Among these coding profiles, there are five may be

used for voice or fax applications. The following table summarizes coding profiles available for

voice and fax applications.

Coding profile ID Coder

0 G.723 6.3 kbps voice coder

1 G.729ab voice coder

2 G723 5.3 kbps voice coder

5 Proprietary fax coder

G.711

-law voice coder

10 Standard T.38 fax coder

This session will introduce commands for setting the parameters for a particular coding profile. All

the commands in this session are of the same syntax as follows:

set coding profile_id option [option] . . .

Syntax for the profile_id is as follows:

profile_id

ID of the coding profile to be modified.

6.10.1 Common Coding Profile Configuration Commands

set coding

profile_id

coding_type

Syntax description

coding_type

Type of the codcc as defined in the following table.

Parameter Description

g711_mu

G.711 PCM u-law coding

g723_53

G.723.1 5.3 kbps coding

g723_63

G.723.1 6.3 kbps coding

g729ab

G.729 annex A, annex B 8kbps coding

fax_t38

Fax Relay in T.38 mode

Note: Modification will not take effect till save and next reboot.