Avaya J100 Expansion Module overview

Last Updated : Dec 02, 2021 |

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

The following table shows the number of feature keys available on the J100 phone models and JEM24s:

Phone model

Feature keys accessible on the phone screen

Feature keys accessible on the built in Expansion Module using the JEM24 toggle button

Feature keys accessible with only one Expansion Module

Feature keys accessible on first JEM24 when there is more than one JEM24

Feature keys accessible on 2nd JEM24

Feature keys accessible on 3rd JEM24

J129

NA

NA

NA

NA

NA

NA

J139

96

NA

NA

NA

NA

NA

J159

96

25-48

NA

NA

NA

NA

J169

96

NA

25-96

25-48

49-72

73-96

J179

96

NA

25-96

25-48

49-72

73-96

J189

96

25-48

49-72

49-72

73-96

NA

Avaya J100 Expansion Module can be placed in two stand positions and a wall-mount position with the phone.

Note:

The wall mounting bracket for Avaya J100 Expansion Module must be ordered separately, along with the wall mounting kit. For Avaya J100 Expansion Module wall mounting instructions, see Installing and Administering Avaya J100 Series IP Phones.

If you use PoE to power up your phone, you can attach only one expansion module. To attach more expansion modules, use a power supply unit.

Important:

Avaya J100 Expansion Module does not support hot-plugging. Connect all Avaya J100 Expansion Modules to the phone before connecting the phone to a power source.