Konftel 300IP User Manual

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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

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 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

Configuration 

Via integrated web server

Technology 

OmniSound™

®

 2.0 Wideband

Microphone 

Omni-directional

Reception area 

Up to 30 metres

2

, >10 people

Speaker 

Frequency band 200–7000 Hz, 

Volume 

90 dB SPL 0.5 m 

Equalizer 

Three pitches: soft, neutral, bright

Temperature: 

5°–40°C

Relative humidity: 

20-80% condensation free

Recommended acoustic conditions: 
 

Reverberation period: 0.5 S Rt 60

 

Background noise: 45 dBA

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