Phone model Description
J179 IP Phone A SIP-based phone with a color display that supports eight call
appearances with four lines of call display.
The phone can also support up to three button modules each
supporting 24 application lines.
Button modules
On Avaya J100 Series IP Phones, the number of call appearances and feature / application
buttons can be extended with the JBM24 Button Module (JBM24) and the Avaya J100 Expansion
Module (JEM24).
Note:
The button modules are supported only by Avaya J169/J179 IP Phones.
JBM24 Button Module provides 24 additional lines for incoming calls, outgoing calls, autodialing,
and calling features. The Avaya J100 Expansion Module provides 72 additional lines.
You can connect up to three button modules to Avaya J100 Series IP Phones. Each button
module can be placed in both stand and wall mount positions together with the phone.
Important:
Hot plugging is not supported in Avaya J100 Expansion Module. Connect all the expansion
modules to the phone before connecting the phone to a power source.
The following table shows the number of button modules attached to the phone and the
corresponding number of lines available on JBM24 Button Module / Avaya J100 Expansion
Module:
Button modules
Call lines / Features /
Applications
Switching between pages
1 24 / 72 (24 on each page) No / Yes
2 24 No
3 24 No
Note:
If an Avaya J100 Expansion Module is attached to the Avaya J169 IP Phone, the display
screen changes to gray scale.
Button modules
July 2019 Installing and Administering Avaya J100 Series IP Phones 13
Comments on this document? infodev@avaya.com
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