Avaya 5602 IP Telephone

Features: entry-level telephone with two programmable call appearance/feature keys. 10 fixed feature buttons. Display. Can run either the H.323 protocol, for integration with traditional Avaya IP Telephony Servers and Gateways, or the SIP protocol, for support of SIP Communications Servers such as the Avaya Converged Communications Server as well as 3rd party SIP proxys.