Installation guide

Trunk Configuration Legacy Integration
18
ShoreTel 14.2 Planning and Installation Guide 355
Trunk Configuration
The following steps describe how to configure the trunk for integrating the legacy PBX and the
ShoreTel system. Some steps are optional depending on the types of services desired as summarized
above.
Table 76: Service Configuration Requirements
Desired Service Required Configuration
Extension-to-Extension
Calling
Enable inbound services on the trunk.
Direct inbound calls using extension routing to the ShoreTel
extensions.
Enable off-system extensions.
Define off-system extension range to match extensions on the
remote PBX.
Inbound Trunks on Remote
PBX
Enable inbound services on the trunk.
Direct inbound calls using extension routing to the ShoreTel
extensions.
Outbound trunks on the remote PBX enable outbound services
on the trunk.
Configure any required access code for the trunk and the local
area code for the trunks connected to the remote PBX.
Configure the desired trunk services such as local, long
distance, and so on.
Configure the dialing format and any required digit sequences
that are to be pre-pended to the dialed numbers.
Users require trunk group access rights to use the trunk for
outbound calls.
Consolidated Long
Distance
Enable outbound services on the trunk.
Configure any required access code for the trunk and the local
area code for the trunks connected to the remote PBX.
Configure trunk services, such as long distance and
international.
Configure the dialing format and any required digit sequences
that are to be pre-pended to the dialed numbers.
Users require trunk group access rights to use the trunk for
outbound calls.