Call Scenario 1: Host-Controlled-Internal Corporate Call - Nortel Remote Gateway 9150 Installation And Administration Manual

Remote Gateway 9150 description
Call scenario 1: host-controlled—internal corporate call
The following diagram shows how a call is routed when making a
host-controlled call to the corporate office.
Host-controlled call (corporate internal call)
Host
stations
The network that is used to route the host-controlled call is transparent to the
user, and the dialing requirement is the same for both. Calls work the same way
in reverse, from host PBX site to the Remote Gateway 9150 site.
20
Branch office
Up to 32 digital telephones
(Chicago)
User 1
A
Remote Gateway 9150
Ethernet network
Host location
(Los
Angeles)
Host
PBX
C
1
2
Remote Gateway 9150 Installation and Administration Guide
User 2 User 3
1
Central office trunks
(ISDN BRI)
B
RLC
ISDN PRI
4
3
Standard 4.0
2
PSTN
3
Voice over IP call
PSTN call
G101392