Chapter 2: Overview; Avaya J100 Expansion Module Overview - Avaya J100 Manual

Chapter 2: Overview

Avaya J100 Expansion Module overview

With Avaya J100 Expansion Module (JEM24), you can extend the number of call appearances
and feature buttons on Avaya J169/J179 IP Phone and Avaya J189 IP Phone. The call
appearances and features appears on Avaya J100 Expansion Module and the corresponding
lines of the phone.
You can connect a maximum of three expansion modules to Avaya J169/J179 IP Phone and two
expansion modules to Avaya J189 IP Phone. Avaya J189 IP Phone also has a secondary screen
that behaves as an inbuilt module. When an expansion module is connected to a phone, it inherits
the display properties of the phone.
The following table shows the number of available lines corresponding to the number of button
modules attached to the phone:
Expansion modules
1
2
3
You cannot use the toggle button on the JEM24 in the following scenarios:
• When you connect more than one JEM24 to the phone.
• When you connect one or more JEM24 to an Avaya J189 IP Phone.
The following table shows the number of physical feature keys available on the J100 phone
models and JEM24s:
Phone model
J129
J139
J159
J169
J179
J189
January 2024
Calling lines / Features /
Applications
72 (24 on each page)
24
24
Features keys on the
phone
3
4
4
8
8
10
Using Avaya J100 Expansion Module for SIP
Comments on this document? infodev@avaya.com
Switching between pages
Yes
No
No
Features keys on built-
in expansion module
NA
NA
6
NA
NA
6
Features keys on
JEM24 expansion
module
Does not support JEM24
Does not support JEM24
Does not support JEM24
24
24
24
8