Avaya BCM 2.0 IP Telephony Manual de usuario descargar pdf (Pagina 9)

Overview 9

P0911590 Issue 02 Enterprise Edge 2.0 IP Telephony Configuration Guide

VoIP Gateway trunks, are supervised trunks with answer and disconnect

supervision. The VoIP Gateway supports voice and fax calls. See the Engineering

guidelines chapter on page 15 for more information about fax calls. VoIP Gateway

does not support modem calls.

The IP telephony gateway allows communication with other supported gateways

and H.323v2 gateways through trunk calls. The IP telephony gateway supports

Direct Routed communication. The local gateway performs the address resolution

and maintains the remote gateway table.

The ITU-H.323v2 Gatekeeper allows for centralized configuration of IP address

information. Two call signaling protocols are available in Enterprise Edge 2.0.

• Direct routed, where Enterprise Edge uses a locally maintained table for IP

resolution. The locally maintained table is the remote gateway table. See the

Configuration chapter on page 61 for information about the remote gateway

table.

• Gatekeeper routed, where Enterprise Edge uses a centralized gatekeeper for

address resolution. In this mode, the gatekeeper handles all call control

signaling. The remote gateway table is not used.

Dialing plan support

Dialing plan configuration allows the customer to set up the routing tables to route

calls to appropriate destinations based on the dialed digits.

Routing codes and the destination code table allow the core telephony services on

the Enterprise Edge to direct the use and time of use of trunking facilities for calls.

Routing codes are associated with line pools. You can assign more than one routing

code to each destination code, depending on factors such as Least Cost Routing.

Enterprise Edge has two main areas of configuration: the destination codes in the

core telephony services and the destination digits in the remote gateway

configuration table. The destination digits allow VoIP Gateway to route calls to the

appropriate intranet destination based on the leading dialed digits. The destination

code tables route calls to the appropriate trunks based on the leading dialed digits.

See the Configuration chapter on page 61 for details on configuring destination

digits and destination codes.

The dialing plans for all VoIP Gateways connected to the corporate intranet require

planning to allow calls between gateways as required.

For more information about Dialing plan support, see Dialing plan section on

page 43.

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Avaya BCM 2.0 IP Telephony Manual de usuario Pagina 9