Call Scenario 2: Host-Controlled-Corporate External Call - Nortel Digital Telephone IP Adapter Installation And Administration Manual

Digital Telephone IP Adapter description
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.
Host-controlled call (corporate external call)
Remote site
Corporate
16
Digital Telephone
External IP Adapter unit
Digital telephone
Internet
WAN
Host location
Host
PBX
1 2
Host
stations
Digital Telephone IP Adapter Installation and Administration Guide
Digital Telephone
OR
Internal IP Adapter circuit card
Ethernet
A
Internet
Access
Device
B
RLC
Voice over IP call
Standard 3.0
G020IP