This term describes the 9600 series IP Deskphones running H.323 firmware. When running H.323 firmware, these phones are used as IP Office phones in a Distributed enterprise branch deployment. The following 9600 series phones can run H.323 firmware and are supported for use by IP Office users: 9620, 9630, 9640, 9650, 9608, 9611G, 9621G, and 9641G.