Specifications

Setting Up System Parameters
2 – 4 ShoreTel, Inc.
Dialing Plan (cont.) • Trunk Access Codes [2 Digit]—Defines the
range solely for 2-digit trunk access codes.
• Trunk Access Codes [3 Digit]—Defines the
range solely for 3-digit trunk access codes.
The ShoreTel system provides a single, global image
across sites and this needs to be considered in the
dialing plan. Extensions, trunk access codes,
operator digits, and emergency numbers for your
various sites must not overlap.
• The operator digit defaults to “0”, but often the
digit “0” is used as a trunk access code
internationally. If you want to use it as a trunk
access code, you will not be able to dial the
operator with this digit. ShoreTel recommends
that international customers standardize
globally on a single trunk access code for the
purposes of network call routing (for example,
use “9” for all trunk groups).
• Extensions must not conflict with the leading
digits of emergency telephone numbers, since
the ShoreTel system allows users to dial
emergency numbers with or without a trunk
access code. If you are deploying a global voice
network, this must be considered for all
emergency numbers. For instance, extensions
should not include the following, since they
relate to international emergency codes:
— 112, 112x, 112xx (Parts of Europe)
— 911, 911x, 911xx (U.S., Canada)
— 999, 999x, 999xx (Parts of Europe and Asia/
Pacific)
First System Distribution List
Last System Distribution List
These parameters define the lower and upper
boundaries, respectively, for the numbers reserved
for system distribution lists. These values must be
consistent with digit reservations for extensions.
When sending a voice mail message to a group of
users who belong to a particular system
distribution list, you enter the number of the
distribution list. These lists are created under
System Distribution Lists from the Voice Mail
navigation link. See “System Distribution Lists” on
page 11-1 also.