Avaya BSGX4e User's Guide download pdf (Page 216)

216 BSGX4e Business Gateway User Guide

NN47928-102 Release 01.01

MGCP Signaling Proxy (MSP)

The MGCP Signaling Proxy (MSP) relays MGCP messages between MGCP endpoints

(phones or terminals) and a Media Control Gateway (MGC) server on the WAN.

The session controller settings are as follows:

 Modification information for MGCP headers so that messages can be relayed

(server).

Note: The MGCP session controller only supports the endpoint identification

endpoint@domain-name in which the domain-name is a MAC address. It

does not support identification per IP address.

 Ports on which to listen for MGCP signaling messages on the WAN and LAN,

(wanrxport and lanrxport respectively).

 Indicator specifying that Keep-alive messages be sent to the MGCP server; this is

used when the LAN endpoints do not send Keep-alive messages themselves

(keepalive).

 GoS quality group to protect MGCP signaling from other traffic (sigqos). MGCP

signaling traffic is sensitive to packet loss; if MGCP packets are dropped, calls can

fail.

Configuration Prerequisites

Before a server profile can be specified for use by the session controller, the server

profile must be configured (see “MGCP Call Servers” (page 212)).

To protect the quality of service for MGCP signaling traffic, a session controller

setting assigns MGCP signaling traffic to a GoS quality group. You must configure the

quality group before you can specify a session controller setting. For more

information, see “GoS Configuration” (page 181).

Session Controller Setting Command

To configure the MGCP session controller, enter the following command:

> config mgcp sc settings

Table 71 describes the parameters for config mgcp sc settings.

Table 71. MGCP Session Controller Parameters

Parameter Description

server Name of the MGCP call server profile to be used. To see the

configured server profiles, enter show mgcp server settings.

wanrxport Port on which to listen for MGCP signaling messages from the

WAN. The default is 2427.

lanrxport Port on which to listen for MGCP signaling messages from the LAN.

The default is 2427.

keepalive Interval between keep-alive messages sent to the MGC server.

Specify zero (0) to disable the sending of keep-alive messages.

The default is 0.

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Avaya BSGX4e User's Guide Page 216