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
Calling lines / Features /
Applications
Switching between pages
1 72 (24 on each page) Yes
2 24 No
3 24 No
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
Features keys on the
phone
Features keys on built-
in expansion module
Features keys on
JEM24 expansion
module
J129 3 NA Does not support JEM24
J139 4 NA Does not support JEM24
J159 4 6 Does not support JEM24
J169 8 NA 24
J179 8 NA 24
J189 10 6 24
January 2024 Using Avaya J100 Expansion Module for SIP 8
Comments on this document? infodev@avaya.com
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