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

Your advantages in detail

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.

Compatible products


Features & technical data

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

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
  • Connection and use with a PC via USB connection
  • 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

USB port

1x Micro USB

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 RJ-45/RJ-45 (length approx. 2 m)
  • LAN cable RJ-45/RJ-45 (length approx. 7.5 m)
  • USB cable
  • Operating instructions

ICT System

COMtrexx® Flex

Future-proof PBX appliance with optional legacy interface for up to 250 users

COMtrexx® Next

The smallest COMtrexx appliance with the full range of Soft PBX features. Future-proof COMtrexx for expansion stages up to 40 users.

COMpact 5200

Fully modular wall-mounted VoIP communications server with up to 20 channels to the service provider, 50 subscribers max. and 5 slots

COMpact 5200R

Fully modular rack-mounted VoIP communications server with up to 20 channels to service provider, 50 subscribers max. and 5 slots

COMpact 4000

Semi-modular, wall-mounted compact VoIP ICT system; 10 channels to the service provider and 16 subscribers max., 2 expansion slots

COMpact 5500R

Fully modular, expandable VoIP device for 19" racks with up to 32 channels to service provider and 112 subscribers

Information on energy consumption

The phone already consumes little energy in normal operation. Further savings are possible by automatically switching the display to idle mode (timeout on delivery: 60 seconds).

Detailed information on the phone's energy consumption and possible energy savings by using the power saving function can be found in the “Advanced information”:

Advanced Information (PDF)

Top Sellers


Sales Configurator (SC)

- the easy way to the right system

Customer requirements for communication solutions are constantly increasing and with them the complexity and scalability of ITC systems. Project planning therefore takes up more and more time. Here, the free Sales Configurator offers a simple and fast solution. It gives you the opportunity to efficiently plan communication solutions and create project planning proposals.

Sales Configurator (SC)