? Up to 20 users/SIP accounts/handsets (with license up to 250) ? Single cell system (with license up to 250)? Up to 8 simultaneous calls? Centralized management of N670 at different locations thanks to N870 Integrator software? LDAP(S) phone book? Professional zero-touch configuration via auto-provisioning? IPUI based handset registration? uaCSTA1 support for CTI integration ? XHTML applications, customer-specific ? End-to-end signal transmission and voice encryption ? Status display and visual power display via LEDs on the front