Telephony Features

• Up to six (6) telephone line appearances
• Call Hold/Resume function
• Last Call Return
• Music on Hold
• Consultation Hold
• Call Transfer (Attended, Unattended)
• Overlap dialling
• Bridged Line Appearance (BLA)
• Three-Way Conferencing (local)
• Find-Me call forking
• Call Screening (Incoming, Outgoing)
• Automatic Answer
• Call Park & Retrieve
• Group Call Pickup
• Call Waiting
• Multiple Calls per Line
• Do Not Disturb
• Calling party ID (Name and Number)
• Called party ID (Name and Number)
• Connected party ID (Name and Number)
• Call Forward (Busy, No Answer, Unconditional)
• Call Reject

Provisioning

• Server based central provisioning via FTP, FTPS, TFTP, HTTP or HTTPS
• Centralised user administration
• Provisioning and call server redundancy
• Initial configuration via USB
• Unicode UTF-8 Multilingual User Interface

Audio Quality

• TIA 810B, TIA 920 audio quality standards
• Full-duplex audio (compliant with IEEE 1329 full duplex standards)
• Voice activity detection (VAD)
• Comfort noise fill
• Adaptive jitter buffer & packet loss concealment
• Acoustic echo cancellation & background noise suppression

Security

• WEP, WPA-Personal, WPA2-Personal, WPA2-Enterprise with 802.1X (EAP-FAST, PEAP-MSCHAPv2) with Opportunistic Key Caching (OKC) and Cisco Client Key Management (CCKM)
• Media encryption via Secure Real-Time Protocol (SRTP)
• SIP signalling encryption via Transport Layer Security (TLS)
• Server-based configuration file encryption (AES 128 bit)
• HTTPS secure provisioning
• Support for signed software executables