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M500 Pro DECT Multicell Base Station

The M500 Pro DECT Multicell Base Station brings scalability and an enhanced user-experience through programmable keys in a solution that can fit all business needs.

Minimalistic sleek design with reliable range and offering audio-enhancing technologies, the M500 Pro Series is your one-stop shop. Experience true team transparency for easy call handling. Intuitive to use, the illuminated keys provide visibility for efficient call management and provisioning to expand to multiple base stations has never been easier. Snom handles your office needs so you can focus on what matters most. The M500 Pro can be paired with up to 2 base stations for expanded DECT range and call capacity. Offering both color handsets and desk phones, each equipped with programmable buttons to customize speed dials, busy monitoring and other programmable functions. Over-the-air updates keep all the handsets and desk phones up-to-date, and seamless handover between M500 bases means you don’t need to worry about dropped calls as you roam around the office, warehouse or into the break room.

The Snom M500 Pro DECT wireless system incorporates many important features that provide advanced mobility within the workspace:

  • Wireless DECT technology, providing better reliability and security than WIFI
  • Intuitive, programmable keys for both phone and base station
  • Charging that lasts up to 19 hours
  • Easy hold feature – one button hold and the ability to pick up a call on any phone
  • Intuitive to use
      • The keys on each paired device lights up. Co-workers are instantly aware of call-handling for hold, busy, incoming and public broadcasting

      • Eight phones can connect to eight calls simultaneously

      • Unique paging system allows for broadcast paging to entire team

      • Cordless technology with Bluetooth connectivity and built-in belt clip enables staff to not be tied down to a desk set or single location

      • Long range inside and around the facility with no dead zones or dropped calls


    Frequency Bands

    • EU: 1880 - 1900 MHz
    • US: 1920 - 1930 MHz

    Output Power

    • EU < 250mW
    • US < 100 mW


    • DECT 6.0

    Other Features

    • Seamless handover and roaming
    • Wideband audio
    • Authentication/encryption of base and handset



    • up to 50 meters


    • up to 300 meters (for indoor use only)

    Phone System

    • Up to 10 registered phones in single-cell setup
    • Up to 48 SIP accounts
    • Up to 8 narrowband or 4 wideband calls per station
    • Up to 16 registered phones in multicell setup
    • Up to 2 registered base stations in multicell setup

    Phone & SIP Features

    • Shared call emulation1
    • Programmable keys
    • Busy phone monitoring2
    • Paging zones
    • Intercom
    • Remote XML and LDAP directories
    • Shared directory with up to 500 entries


    • G.722
    • G.711 A-law, u-law
    • G.726
    • G.729ab
    • iLBC
    • OPUS
    • Codec negotiation, codec switching

    User Interfaces

    • 2 dual color LED - SIP and DECT status
    • 1 green LED - power
    • Reset key
    • Function key - DECT pairing/locator
    • USB (future expansion)
    • Web interface


    • Positioning: Desk/Wall Mount
    • Remote software updates via HTTP/HTTPS/TFTP
    • Automatic loading of settings via HTTP/HTTPS/TFTP
    • Zero touch provisioning and authentication with Mutual TLS through individual certificate issued by Snom CA
    • Completely configurable through the web interface
    • Static IP, DHCP support
    • NTP (Network Time Protocol)
    • 2nd RJ45 for M500 network daisy chain

    Hardware Specifications

    Weight (Approximately)

    • 307g


    • 189mm x 123mm x 70mm with stand
    • 175mm x 123mm x 38mm without stand


    • Power over Ethernet (PoE) IEEE802.3af Class 2, optional 5V DC power adapter if no PoE

    Other Features

    • Ethernet Connector: 2x RJ45
    • LAN Interface: GigE
    • Color: Black
    • Part Number: 00004524


    • HTTP and HTTPS
    • LLDP
    • IEEE 802.1Q
    • TLS 1.2

    Compatible Phones

    • Snom M55 DECT Handset: 00004526 (US)
    • Snom M58 DECT Desk Phone: 00004528 (US)

    APN # for Optional Accessories

    • Power Adaptor Snom A6 / US Clip: 26-350200-3UL

    1. Refers to programmable key type that allows calls to be visible and accessible on different phones via key press. This is comparable to old key system operation.
    2. Refers to programmable key type that allows indication if a phone is busy in a call. This is comparable to SIP BLF operation.