Planning and Installation Guide Chapter 8: Telephone Planning and Ordering
If message waiting is required (United States and Canada only):
CLASS (FSK) message waiting indicator: CLASS message waiting–compatible
telephones provide a highly reliable method for turning message waiting lights on
Telephones that rely on a stutter dial tone to control the message waiting light are
unreliable and should be avoided.
The ShoreTel system does not support telephones that use voltage-driven message waiting
You should select telephones from a reputable manufacturer. Although most phones on the
market are of good quality, ShoreTel recommends that you stay away from “clone” or “low-
Here are some additional considerations:
Not too many buttons: Some telephones come with lots of complicated buttons
and options that drive up the price of the device. The ShoreTel system delivers
advanced features through desktop applications that are integrated with your
enterprise tools. Telephones with lots of features and buttons are not necessary.
No answering machine: The ShoreTel system includes an integrated voice mail
system for all users at all sites. Telephones with integrated answering machines are
No hold button: Telephones with a hold button do not actually put the caller on
system hold, so the caller will not hear music on hold or have the correct call
control status details.