- composition of an access code
- dial SIP number
- alphanumeric research in the directory
- native IP system for direct connection over IP
- use of SIP protocol
- direct SIP link - Stand Alone without server - or through an SIP Castel server or an IPBX)
- 3 LEDs associated with 3 symbols and 3 audible messages
- audio induction loop available as an option
- Full Duplex audio communications
- noise and echo cancelling system
- color digital video camera (version without video is also available)

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