COMfortel® WS-500M

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

Up to 250 handsets

Up to 60 base stations with seamless handover and roaming

Up to 60 parallel calls with up to 10 simultaneous calls per base station

Professional zero-touch configuration via auto-provisioning

End-to-end signalling and voice encryption

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.

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 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)

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

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

Communication platforms

  • Complete support incl. provisioning with the current Auerswald systems
  • Operation as normal DECT system with the previous Auerswald SIP systems and with SIP based systems of other vendors



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)

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Fully modular ISDN/VoIP communication server for 19" racks; up to 38 exchange line channels and 112 subscribers, 15 module slots

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COMpact® 5500R

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

COMpact® 5200R

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

COMpact® 5200

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

Best Practice


"Some of our residents are still very sprightly but others are dependent on support for every movement. Our nurse call system, which is connected to an alarm server, is therefore extremely important. Although we are well equipped to provide first aid, it is often necessary to make emergency calls. …

Caren P. // Managing Director

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„Auerswald supports discretion and efficiency in private clinics“

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„How production companies keep in touch“

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„Productive solutions for agriculture and forestry“

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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)