48
49
Size Diameter 240 mm, height 77 mm
Weight 1 kg
Colour Liquorice black
Display screen Illuminated graphics (LCD), 128x64
Keypad Alphanumerical 0–9, *, on, off, mute, hold, volume up,
volume down, 5 buttons for menu navigation, line mode,
conference guide
Anti-theft protection Kensington security slot
Memory Support for SD memory cards up to 2 GB

connectivity

Network connection RJ45, Ethernet 10/100 Base T
Power supply Transformer 100–240 V AC/13.5 V DC
IEEE 802.3af Power over Ethernet.
Extra microphones x2 modular 4/4
Auxiliary Modular 4/4 for wireless headset

network and communication

Network addressing DHCP and static IP
NAT traversal STUN, ICE and TURN
Connection protocol SIP 2.0 (RFC 3261 and companion RFCs)
Transport UDP, TCP, TLS and SIPS
Security SRTP
Audio support Codecs: G722, G711 A-law, G711 µ-law, G729ab
DTMF tone generation RFC, SIP INFO, In-band
Time servers NTP and SNTP
Conguration Via integrated web server

sound

Technology OmniSound™® 2.0 Wideband
Microphone Omni-directional
Reception area Up to 30 metres2, >10 people
Speaker Frequency band 200–7000 Hz,
Volume 90 dB SPL 0.5 m
Equalizer Three pitches: soft, neutral, bright
TecHnIcal sPecIfIcaTIons

environment

Temperature: 5°–40°C
Relative humidity: 20-80% condensation free
Recommended acoustic conditions:
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA

approvals

Electrical safety EN 60950-1:2006,
ANSI/UL 60950-1-2002,
CAN/CSA-C22.2, No. 60950-1-03
EMC/Radio EN 301 489-3 V1.4.1 (2002-08),
EN 301 489-1 V1.6.1 (2005-09),
FCC Part 15 subpart B class A,
FCC Part 15 subpart C,
EN 300220-1:2000,
EN 300220-2:2000
RoHS
TecHnIcal sPecIfIcaTIons