SUNNYVALE, CA — (MARKET WIRE) — 03/21/2005 — Zultys Technologies today announced immediate availability of its new family of ZIP phones. This range of phones is built entirely on open standards and runs on a highly stable real-time Linux operating system. The phones are compatible with any IP telephony system using SIP (Session Initiation Protocol), providing customers with greater flexibility in their telephony system choices. Support for features such as power over Ethernet (PoE), line-rate Ethernet switching, voice encryption, and conferencing also make the phones ideal for a number of applications and environments. More