Avaya IP500 V2 Installation Manual page 324

10.11.43 9504
9500 Series phones are supported by IP Office Release 7.0 and higher.
The phones provide 4 physical buttons with red and green LEDs. These can be used for up to 12 programmable features.
Variant
9504 Telephone
BM12 Button Module
Installing IP500/IP500 V2
IP Office 9.0
SAP Code
Charcoal Grey 700500206
Charcoal Grey 700480643
15-601042 Issue 28c (19 August 2013)
Page 324