Avaya BCM 4.0 Networking Guide de configuration Page 401

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401
BCM 4.0 Networking Configuration Guide
Chapter 44
VoIP trunk gateways
With a VoIP trunk, you can establish communications between a BCM and a remote system across
an IP network. Each trunk is associated with a line record (lines 001-060), and are configured in
the same way that other lines are configured.
However, VoIP trunks have additional programming to support the IP network connection.
This system supports SIP and H.323 trunk protocols. Both types of trunks support connections to
other BCMs, a central call server such as Succession 1000/M, and trunk-based applications. SIP
trunks and H.323 trunks are assigned to a single Pool, and the routing decision to route calls via
H.323 or SIP is made based on the routing modes of the two services (Direct/Gatekeeper/Proxy)
and the combined routing table.
The following path indicates where to access the Voice over IP (VoIP) trunk gateway in Element
Manager:
Element Manager: Configuration > Telephony Resources > IP Trunks > > H323 Settings/
SIP Settings tabs
Configuring a VoIP trunk requires the following:
“Pre-installation system requirements” on page 401
“Keycodes” on page 402
“H.323 network applications considerations” on page 402
“SIP network applications considerations” on page 402
VoIP trunks can be used for calls originating from any type of telephone within the BCM system.
Calls coming into the system over VoIP trunks from other systems can be directed to any type of
telephone within the system.
You cannot program Auto DN or DISA DN for VoIP trunks; therefore, you cannot use CoS
passwords to remotely access features on your system. The exception to this would be a
tandemned call, where a call comes into system A over the PSTN, then tandems to system B over
a VoIP trunk. In this case, the remote access package on the line will determine which system
features are available to the caller.
Pre-installation system requirements
Ensure that you have obtained the following information or familiarize yourself with the
requirements before continuing with VoIP trunk configuration:
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