2.2 Programming

Voice CODEC Settings

Parameter & Description

Default

Value Range

*

Voice CODEC Priority 1st–4th

1st: G.729A

G.723.1,

 

Specifies the type of CODEC for voice communications.

2nd: No default

G.729A,

 

3rd: No default

G.711Mu,

 

Choose the appropriate CODEC for the network environment

 

4th: No default

G.711A

 

(e.g., bandwidth, CODEC conditions of the remote terminal).

 

 

 

 

When using multiple CODECs, set them in an appropriate

 

 

 

 

priority order.

 

 

 

 

Prior to establishing a call, a negotiation takes place over the

 

 

 

 

network and the CODEC to be used will be decided

 

 

 

 

depending on the setting of this parameter.

 

 

 

 

For details about relations between bandwidth and CODEC,

 

 

 

 

refer to "Detailed Explanations" in "2.2.3 Voice

 

 

 

 

Communication Parameters".

 

 

 

 

Note

 

 

 

 

When the Fast Connect feature (see under "Others"

 

 

 

 

below) is disabled, the communicating cards must have

 

 

 

 

the same first priority CODEC set.

 

 

 

 

 

 

 

Gatekeeper Settings

 

 

 

 

 

 

Parameter & Description

Default

Value Range

 

 

 

# Gatekeeper

Don't use

Use,

 

Specifies the use of a gatekeeper.

 

Don't use

 

 

 

 

 

For details, refer to "Detailed Explanations".

 

 

 

 

 

 

 

*

Primary Gatekeeper IP Address

192.168.1.3

The following addresses

 

Specifies the IP address of the primary gatekeeper.

 

are invalid:

 

 

Class D addresses

 

 

 

 

 

 

Class E addresses

 

 

 

Loopback

 

 

 

 

addresses

 

 

 

 

*

Primary Gatekeeper Port No.

1719

1 to 65535

 

Specifies the port number of the primary gatekeeper.

 

 

 

 

 

 

 

*

Secondary Gatekeeper IP Address

192.168.1.4

The following addresses

 

Specifies the IP address of the secondary gatekeeper.

 

are invalid:

 

 

Class D addresses

 

Set this parameter when setting up a secondary gatekeeper

 

 

 

Class E addresses

 

as a redundant backup system.

 

 

 

 

Loopback

 

 

 

 

addresses

 

 

 

 

*

Secondary Gatekeeper Port No.

1719

1 to 65535

 

Specifies the port number of the secondary gatekeeper.

 

 

 

 

Set this parameter when setting up a secondary gatekeeper

 

 

 

 

as a redundant backup system.

 

 

 

 

 

 

 

 

16 Programming Guide