User's Manual

Avaya Branch Gateway Manager 10.0 Page 534
15-601011 Issue 29r (Friday, November 02, 2012)B5800 Branch Gateway
7.2.11 9500 Series
7.2.11.1 9504
The phones provide 4 physical buttons with red and green LEDs. These can be used for up to 12 programmable features.
7.2.11.2 9508
The phones provide 8 physical buttons with red and green LEDs. These can be used for up to 24 programmable features.
The phones support the addition of up to 3 BM12 button modules supporting an additional 24 programmable features
(using 12 buttons) per module. When used with a 9508, power must be supplied to the phone using an inline power
module such as the 1151C or equivalent.