40 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
12

Host-controlled call (corporate external call)

Host
PBX
RLC
Voice over IP call
A
B
Host
stations
Ethernet
InternetCorporate
WAN
Remote site
Digital Telephone
External IP Adapter unit
Digital Telephone
Internal IP Adapter circuit card

OR

Digital telephone
Internet
Access
Device