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Call scenario 2: host-controlled, Corporate external call – Nortel Networks M3310 User Manual

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Digital Telephone IP Adapter Installation and Administration Guide

Digital Telephone IP Adapter description

Standard 2.1

Call scenario 2: host-controlled—corporate external call

The following diagram shows how a call is routed when placing a host-
controlled call to a party outside the organization using a Digital Telephone IP
Adapter unit.Calls work the same in reverse, from the host PBX site to the
Digital Telephone IP Adapter unit site.

G020IP

Host location

1

2

Host-controlled call (corporate external call)

Host
PBX

RLC

Voice over IP call

A

B

Host
stations

Ethernet

Internet

Corporate

WAN

Remote site

Digital Telephone

External IP Adapter unit

Digital Telephone

Internal IP Adapter circuit card

OR

Digital telephone

Internet
Access
Device

This manual is related to the following products: