Power
- IEEE 802.3af Power over Ethernet
- External universal AC power supply: 100–240 V, 24 V, 0.5 A, 2.5 mm DC plug
Display
- Size: 248 x 68 pixels
- White LED backlight with adjustable intensity
Keypad
- Standard 12-key keypad
- 4 context-dependent soft keys
- On-hook/off-hook, conference, redial, mute, volume up/down, menu, 5-way navigation keys
Audio Features
- 3 cardioid microphones (200–7000 Hz)
- Loudspeaker frequency response: 220–7000 Hz
- 10 ft (3 m) microphone pickup range
- Volume adjustable to 86 dB at 0.5 m peak
- Full-duplex, Type 1 compliant with IEEE 1329
- Individual volume settings with visual feedback
- Voice activity detection, comfort noise fill
- DTMF tone generation/event RTP payload
- Low-delay audio packet transmission, adaptive jitter buffers
- Packet loss concealment, acoustic echo cancellation
- Background noise suppression
- Supported codecs: G.711 (A-law/Mu-law), G.729a (Annex B), G.722, iLBC 13.33 & 15.2 kbps
SIP Call Handling Features
- Call hold, transfer, divert, pickup
- Distinctive incoming call treatment/call waiting
- Advanced local 3-way conferencing
- One-touch speed dial, redial
- Remote missed call notification
- Automatic off-hook call placement
- SIP URI dialing, Do Not Disturb
- Shared call/bridged line appearance
- Busy Lamp Field (BLF)
- Multicast Group Paging and Push-to-Talk
(Also available in PSTN mode)
Other Features
- Automated failover (SIP to PSTN)
- SIP server redundancy
- Time/date display and call timer
- User-configurable contact directory and call history
- Corporate Directory (LDAP) support
- User-selectable ringer tones
- Wave file support for call progress tones
- Unicode UTF-8 character support
- Multilingual UI (English, Chinese, Danish, Dutch, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish)
- Caller ID support (Bellcore Type 1, ETSI, DTMF)
Interfaces
- Ethernet 10/100 Base-T
- Two-wire RJ-11 analog PBX/PSTN interface
- 2.5 mm connection port (headset cable; adapter may be needed)
- 2 RJ9 ports for wired expansion microphones
Network & Provisioning
- DHCP and Static IP support
- SNTP time synchronization
- Central provisioning via FTP/TFTP/FTPS/HTTP/HTTPS with redundancy
- Web portal for configuration and updates
- QoS support: IEEE 802.1p/Q VLAN, Layer 3 TOS/DSCP
- Telchemy® VQmon® support
- Static NAT support
- RTCP support (RFC 1889)
- Configuration import/export, local digit map, hardware diagnostics
- Factory reset option
Security
- TLS encryption
- Encrypted configuration files
- Digest authentication, password login
- Secure provisioning over HTTPS
- Signed software executables
- IEEE 802.1x network access control
Telecom Compliance
- FCC Part 68, AS/ACIF S002/S004, Telepermit, KC, GOST-R, TRA
- Protocol support: IETF SIP (RFC 3261 and related RFCs)
Included in Package
- Conference phone console
- 21 ft combined analog and Ethernet cable with power injection
- Universal 24 V, 0.5 A power supply
- 7 ft region-specific power cord, Ethernet cable, telephony cable (RJ11)
- Quick Start Guide
Accessories
- 2 expansion microphones (200–7000 Hz)
Environmental Conditions
- Operating temperature: 32–104°F (0–40°C)
- Relative humidity: 20–85% (non-condensing)
- Storage temperature: -22–131°F (-30–55°C)
