User's Manual

Avaya Branch Gateway Manager 10.0 Page 512
15-601011 Issue 29r (Friday, November 02, 2012)B5800 Branch Gateway
7.2.2 1200 Series
They are currently only supported when using the system as the file server for phone firmware and other files.
Expansion modules providing an additional 12 programmable buttons per module are supported. Up to 7 such modules
are supported per phone.
1220 SIP Telephone
1230 SIP Telephone