COMfortel® WS-500M

One device, all scenarios: the WS-500M DECT multi-cell system ensures seamless mobile communication

Up to 800 handsets

Up to 240 base stations with seamless handover and roaming

Up to 240 parallel calls with up to 10 simultaneous calls per base station

Time-saving zero-touch configuration via auto-provisioning

Professional support of alarm, messaging and localization functions

Your advantages in detail

One for all: The WS-500M is designed for maximum flexibility and scalability. It is therefore suitable for small and medium-sized enterprises as well as for large companies or companies with distributed locations. Depending on its size and requirements, the hardware component can assume various roles and act as a DECT manager or basis. Each multi-cell system supports up to 250 handsets and 60 parallel calls. This enables reliable, secure mobile communication in HD quality.

Would you like even more? For even larger expansions, you can install up to 240 bases in one system via upgrade licences WS-500M Manager. Up to 800 subscribers are possible in this expansion level.

DECT technology is digital and encrypted. It therefore offers comprehensive security. Wireless eavesdropping of a conversation is not possible. The network security of the WS-500M is additionally enhanced by SIP security. End-to-end security is now guaranteed.

Compatible products

Features & technical data

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

System functions

  • Seamless call transfer between the radio cells within the IP-DECT multi-cell system
  • Synchronisation of base stations via air interface and LAN
  • LDAP server support for central phone book (up to 10)
  • Access to the voicemail system of the ICT system
  • Display of the called number - ideal for multi-company operation
  • Distinctive ring tones according to the type of call (direct/group/alarm etc.)
  • Display of the system time on all handset
  • Definition of clusters for organizing bases
  • Range alarm on the handset when leaving the DECT radio cell
  • Encryption of DECT voice data
  • Complete system configuration backup
  • Up to 250 handsets
  • Up to 60 base stations
  • Up to 60 parallel calls
  • Up to 10 simultaneous calls per base (G.711)
  • Optional alarm, message and localisstion functions for the integration of alarm systems

Installation and maintenance

  • Zero-touch provisioning of the manager base
  • Create, delete, change the hand parts from the ICT system
  • Simple handset registration
  • LEDs for signalling operating and functional states
  • Access to LDAP phonebooks (up to 10 department directories)
  • Administration of the entire IP DECT wireless system via a single web interface
  • Encrypted access to the web interface (https)
  • Backup and restore functions
  • Support for syslog servers
  • SNMPv3

Unlockable options

  • Expansion to multi-cell operation with up to 800 DECT users, 240 VoIP channels through a hardware integrator with up to four DECT managers1
  • Licence for the use of the alarm and messaging functions2
  • Licence for the use of the localisation functions (including alarm and messaging)2

Technical specifications

  • DECT EN 300 175-x
  • Standards: GAP/pnCAP
  • Support of 120 DECT channels
  • TLS1.0/1.1/1.2 for HTTPS and SIP, SIPS
  • HTTP/Digest Authentication (RFC2617)
  • 10 simultaneous calls (G.711) or up to 5 calls with wideband audio (G.722)

DECT Handsets

  • COMfortel M-510
  • COMfortel M-520
  • COMfortel M-530
  • COMfortel M-710
  • COMfortel M-720
  • COMfortel M-730

Communication platforms

  • Complete support incl. provisioning with the current Auerswald systems3
  • Operation as normal DECT system with the previous Auerswald SIP systems and with SIP based systems of other vendors4
1 Requires firmware v2.36 or higher
2 One license included with version 2.44 or higher
3 With COMpact 4000/5000/5200(R)/5500R and COMmander 6000(R/RX) with firmware 7.4
4 Please clarify compatibility in advance



System connection 1

Ethernet 10/100 Base-T

Power supply

Power over Ethernet (PoE IEEE 802.3af class 1) or wall power supply 12 V (optional)

Power consumption

<3.8 W

Maximum number of handsets


Maximum number of bases


VoIP protocol

SIP (RFC3261, RFC2396, RFC2976)

VoIP codecs

G.711, G.729ab, G.722

Maximum number VoIP channels






Dimensions (w x h x d)

110 mm x 180 mm x 42 mm


220 g



Delivery Scope

  • Main device
  • Dowels/screws
  • Setup Guide and Quick Guide (German/English)

ICT System

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COMtrexx® Next

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COMmander® 6000RX

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COMtrexx® Business

Large ICT all-rounder with traditional interfaces up to 150 users

Alarming – the safe way!

Messaging and localisation systems

The new feature package alarming, messaging and localization offers attractive advantages. Due to a perfect interaction with alarm systems the IP-DECT system can alert the personnel via the handsets of the COMfortel M-7x0 series using different ringing tones and messages, adapted to the situation. In case of emergency, it can even retrieve the location of certain handsets.

More information about alarming you can find here:

Infopaper (PDF)

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