User's Manual
Avaya Branch Gateway Manager 10.0 Page 538
15-601011 Issue 29r (Friday, November 02, 2012)B5800 Branch Gateway
7.2.12.4 9621
· The voice activated dialing and USB features are not supported.
· The use of the IP Office control unit as the HTTP file server for these phones is not supported. A third-party HTTP
file server must be used.
· These phones are supported as local extensions when they use H.323 firmware. They are supported as survivable
extensions when they use SIP 6.0 firmware.
The phones support 24 programmable buttons which are displayed as touchscreen options. These can be used for call
appearance functions and other system features. In addition the phone supports a home screen on which the user can
add up to 8 icons for programmable functions in addition to those icons present through installation configuration.
These phones do not support any button modules.