• Single cell system for up to 8 users / SIP accounts / handsets • Up to 8 simultaneous calls • Free internal calls • Multiple accounts/lines per handset • Central phone book: 2000 entries • LDAP(S) phone book • Professional zero-touch configuration via auto-provisioning • XHTML applications, customer-specific • End-to-end signal transmission and voice encryption • Status display and visual power display via LEDs on the front • Software update over the air (SUOTA)1