Nortel Networks M3310 User Manual
38
Digital Telephone IP Adapter Installation and Administration Guide
Digital Telephone IP Adapter description
Standard 2.1
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:
controlled call over the IP network to the corporate office:
Calls work the same in reverse, from the host PBX site to the Digital Telephone
IP Adapter unit site.
IP Adapter unit site.
G019IP
Host-controlled call (corporate internal call)
Host location
Host
stations
stations
Host
PBX
PBX
RLC
1
Voice over IP call
B
C
Remote site
Digital Telephone
External IP Adapter unit
Digital Telephone
Internal IP Adapter circuit card
Digital telephone
A
Ethernet
Internet
Corporate
WAN
Internet
Access
Device
Access
Device
OR