COMfortel® C-400

Professional IP conference telephone with four wireless microphones, for small, medium and large meeting rooms

Optimal understanding due to 2 fixed and 4 wireless microphones

Best acoustic characteristics due to wideband audio

3 SIP accounts

Encrypted speech data transmission (SRTP)

VoIP codecs G.722 (wideband), G.711, G.726 and G.729

Features & technical data

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Characteristics Technical highlights Delivery scope Datasheet download

System and comfort features

  • Automatic display illumination
  • Ringtone, handset and hands-free speaker volume adjustable
  • Microphone mute
  • Calling number and name display (CLIP/CNIP) if registered in the local and the central phone book of the proprietary ICT system
  • 10 programmable abbreviated dialling keys
  • Hands-free talking, full-duplex at the base unit
  • Phone book, 200 entries local
  • Access to a central phonebook via LDAP

IP Features

  • 3 accounts
  • Date and time via NTP
  • Digest authentification (MD5)
  • High audio quality with echo cancellation and comfort noise generation (CNG)
  • HTTP/HTTPS webserver integrated
  • Mass roll outs via provisioning server (HTTP, HTTPS, FTP and TFTP)
  • Prioritisation of voice data (Diff Serv)
  • SIP compliant (RFC 3261)
  • STUN (UDP over NAT)
  • Tone dialling during a call (RFC 2833, SIP Info, In-Band)
  • Transport Layer Security (TLS)
  • Encrypted speech data transmission (SRTP), RFC 3711 and RFC 4568
  • VLAN support (IEEE 802.1q)
  • VoIP codec G.722 (wideband) with supporting hardware, e.g. COMpact ICT systems (firmware from 7.2), Asterisk or IP-Centrex solutions
  • VoIP codecs G.711μ-Law/a-Law, G.726 and G.729
  • VoIP codec preselection

Communication platforms

  • Asterisk Solutions
  • IP-Centrex solutions, Hosted PBX

Base Unit

Base

Max

Power Supply

via separate PoE power supply

System connection

Ethernet 10/100/1000 Base-T

Power consumption

2.5 W 5 W

Display

illuminated LCD with 158 x 57 pixels, monochrome

LEDs

4, multi-coloured

Operating elements

keypad with vanity code, 8 function keys, 3 soft keys

Casing material

plastic, black

Dimensions (w x h x d)

272 mm x 67 mm x 340 mm

Weight

approx. 1,100 g

Security

CE

External microphones

Base

Max

Power supply

Ni-MH batteries, 2.4 V, 400 mAh

Transmission protocol

DECT 6.0

LED

1 LED, multi-coloured

Talk time

up to 6 h

Standby time

up to 70 h

Casing material (microphones)

plastic, black

Delivery Scope

  • Basic unit
  • 4 DECT microphones
  • 4 Ni-MH batteries
  • PoE power supply unit including connection cable
  • LAN cable RJ45/RJ45 (length approx. 2 m)
  • LAN cable RJ45/RJ45 (length approx. 7.5 m)
  • USB cable
  • Operating Instructions

Datasheet download

Download

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