Call Scenario 1: Host-Controlled-Corporate Internal Call - Nortel Digital Telephone IP Adapter Installation And Administration Manual

Digital Telephone IP Adapter description
Call scenario 1: host-controlled—corporate internal call
The following diagram shows how a call is routed when placing a host-
controlled call over the IP network to the corporate office:
Host-controlled call (corporate internal call)
Remote site
Corporate
Calls work the same in reverse, from the host PBX site to the Digital Telephone
IP Adapter unit site.
14
Digital Telephone
External IP Adapter unit
Digital telephone
Internet
WAN
Host location
Host
PBX
C
1
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
G019IP