Avaya 5602 IP Telephone

The 5602 IP Telephone is an entry-level telephone with two programmable call appearance/feature keys, ten fixed feature buttons, and display. The 5602 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.