9OverviewThe IP Phone 1535 videophone uses Session Initiation Protocol (SIP) toestablish both voice and video calls. Connected to your local area network(LAN) through an Ethernet connection or by wireless (WiFi) connection,the IP Phone 1535 provides extensive telephony services, multimediatools, full video conversation functionality, an array of ring melodies, and apersonalized IP Phone 1535 display. You can also use the IP Phone 1535to check e-mail, voice mail, or browse the Web.Nortel Communications ServersNortel IP Phone 1535 New in this ReleaseNN43160-400 01.03 StandardRelease 4.0/SN010 27 November 2007Copyright © 2007, Nortel Networks.