Troubleshooting guide

1-16 Optiset E Administrator Guide
The Basics
Line Keys
An Optiset E telephone has a separate line key for every extension that
appears on the phone. The line keys are used to answer and place calls.
Any programmable key on the phone can be set up at the
communications server to be a line key.
Multiple Line Appearance
An Optiset E telephone may have multiple extensions, each of which
is assigned a separate line key. These line keys can be of different
types. A phone will have at least one line key, called the primary line
key, which corresponds to the extension associated with the status light
that turns on when the handset is picked up.
A phone may also have other lines. Both the primary line and these
other lines can used to make or receive calls.
A phone’s lines may also appear as lines (called multiple line
appearances) on other people’s phones. Each person with an
appearance of the line on his or her phone has equal access to the line.
Also, a call can be placed on hold at one telephone, then retrieved at
another telephone on which that same line appears. See “Hold” on
page 3-14 for more information.
The line key’s status light shows the line’s current status. See “Status
Lights” on page 1-21 for more information.
Key Pad
The key pad on a phone is used for dialing telephone numbers. It can
also be used to access system features available to a phone, when the
corresponding feature keys are not present. See “Feature Access
Codes on page 1-20 for more information.
OptiGuide Display
The Optiset E Standard, Advance, Advance Plus, and Advance
Conference telephones have a 2-line, tiltable display with 24
characters per line. The Optiset E Liberator telephone has a 2-line by
16-characters display. The Siemens OptiGuide display provides useful