Power

• IEEE 802.3af Power over Ethernet (built in)
• Optional external universal AC power supply: 100-240V, 0.4A, 48V/19W

Display

• Size (pixels): 248 x 68 (W x H)
• White LED backlight with custom intensity control

Keypad

• Standard 12-key keypad
• Context-dependent soft keys: 3
• On-hook/Off-hook, redial, mute, volume up/down

Audio Features

• Loudspeaker
• Frequency: 220-14,000 Hz
• Volume: Adjustable to 86 dB at 1/2 meter peak volume
• Individual volume settings with visual feedback for each audio path
• Voice activity detection
• Comfort noise fill
• DTMF tone generation / DTMF 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 and Mu-law)
• G.729a (Annex B)
• G.722, G.722.1
• G.722.1C
• Siren 14

Call Handling Features

• Shared call / bridged line appearance
• Busy Lamp Field (BLF)
• Distinctive incoming call treatment/ call waiting
• Call timer
• Call transfer, hold, divert (forward), pickup
• Called, calling, connected party information
• Local three-way conferencing
• One-touch speed dial, redial
• Call waiting
• Remote missed call notification
• Automatic off-hook call placement
• Do not disturb function

Other Features

• Local feature-rich GUI
• Time and date display
• User-configurable contact directory and call history (missed, placed, and received)
• Customisable call progress tones
• Wave file support for call progress tones
• Unicode UTF-8 character support. Multilingual user interface encompassing Simplified Chinese, Danish, Dutch, English (Canada / US / UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish

Network and Provisioning

• Ethernet 10/100 Base-T
• 2.5mm connection port
• EX mic ports: Two RJ-9 ports
• IP Address Configuration: DHCP and Static IP
• Time synchronisation with SNTP server
• FTP / TFTP / HTTP / HTTPS serverbased central provisioning for mass deployments. Provisioning server redundancy supported.
• Web portal for individual unit configuration
• QoS Support – IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS and DSCP
• Network Address Translation (NAT) support – static
• RTCP support (RFC 1889)
• Event logging
• Local digit map
• Hardware diagnostics
• Status and statistics
• User selectable ringer tones
• Convenient volume adjustment keys
• Field upgradeable

Security

• Transport Layer Security (TLS)
• Encrypted configuration files
• Digest authentication
• Password login
• Support for URL syntax with password for boot server
• HTTPS secure provisioning
• Support for signed software executables

Safety

• CE Mark
• EN60950-1
• IEC60950-1
• UL60950-1
• CAN/CSA C22.2 No.60950-1-03
• AS/NZS60950-1
• RoHS Compliant

EMC

• FCC Part 15 (CFR 47) Class B
• ICES-003 Class B
• EN55022 Class B
• CISPR22 Class B
• AS/NZS CISPR22 Class B
• VCCI Class B
• EN22024

Telecom

• AS/ACIF S004
• Telepermit
• KCC
• GOST-R
• TRA

Protocol Support

• IETF SIP (RFC 3261 and companion RFCs

Environmental Conditions

• Operating temperature: 32 - 104 degrees F (0 - 40 degrees C)
• Relative humidity: 20%-85% (noncondensing)
• Storage temperature: -22 - 131 degrees F (-30 - 55 degrees C)

Weight and Dimensions

• Phone dimensions:14.5 x 12.25 x 2.5 in (36.8 x 31.1 x 6.4 cm) (L x W x H)
• Phone console weight: 1.75 lb (0.8 kg)
• Box dimensions: 13.0 x 15.5 x 6.0 in (33 x 39.5 x 15 cm) (L x W x H)
• Box weight: 5.1 lb (2.32 kg