COMfortel® C-400

Article number 90076

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
COMfortel® C-400
COMfortel® C-400
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The conference telephone is the best choice for your meeting room. The four wireless DECT microphones optimise the range of your system. So you guarantee that every participant in the conference would be understood perfectly.


The high audio quality ensures a natural speech transmission without interruptions.


Features & technical data

Everything you need to know about our products comes now. Scroll down for more information.

System and comfort features

  • Calling number and name display (CLIP/CNIP) if registered in the central phone book of the PBX

  • Automatic display illumination
  • Hands-free talking, full-duplex at the base unit
  • Ringtone, handset and hands-free speaker volume adjustable
  • Microphone mute

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

Communication platforms

  • COMpact 3000-Serie
  • COMpact 4000
  • COMpact 5010 VoIP, 5020 VoIP
  • COMpact 5000, 5000R
  • COMpact 5200, 5200R

Please note: information depending on the configuration level of the system. For detailed information please refer to the datasheet. Subject to modification.

Technical Highlights
Dimensions Height (mm) 67 / Width (mm) 272 / Depth (mm) 340
Displays Illuminated LCD with 158 x 57 pixels, monochrome
User elements Keypad with vanity code 1 / Function keys 8 / Freely programmable function keys 3
Operating voltage via separate PoE power supply
Casing material plastic
Weight (g) Phone 1100
LEDs multicolored / 4
Power consumption (basic unit) minimum 2.5 / maximum 5
System connection Ethernet 10/100 Base-T (10/100MBit/s, RJ-45 twisted pair)
Delivery scope
  • Basic unit COMfortel C-400
  • 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

Support & downloads

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Datasheet download

Get a detailed overview of our products in only one document.



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