Mitel MiVoice Office 250
Today’s hybrid communication platform

Key Features

  • Unified Voice Messaging with email synchronization
  • Voice conferencing
  • Desktop phone twinning
  • Enhanced audio conferencing
  • Four built-in analog trunk ports
  • Four built-in analog station ports
In today’s business environment, communications with customers, partners, and suppliers is critical. Mitel® MiVoice Office 250 simplifies communications, enhancing customer service, employee productivity, and collaboration while reducing overall telephony costs.
MiVoice Office 250 is built on a scalable digital – IP platform that combines the best of both IP and traditional TDM switching architectures. It’s designed to scale and protects your investment with add-on modules and processors – all in a form factor that works for shelftop, rack-mount, and wall-mount scenarios. Additionally, the communications platform delivers IP networking out of the box with full feature transparency.

Simplifying Communications

MiVoice Office 250 offers businesses a complete suite of out-of-the-box business productivity applications, which include Unified Voice Messaging with Automated Attendant, Meet-Me Conferencing, Automatic Call Distribution, Hot Desking, Mobile Twinning, Mobile Hand Off, Teleworking, and Reporting.



  • Unified Voice Messaging with email synchronization
  • Voice conferencing – Meet Me and Ad-hoc for up to 20 parties in a single conference and up to 40 simultaneous conference resources for multiple conferences at once
  • Automatic call routing to agents, groups based upon longest idle, balanced call count, and circular and linear distribution
  • Hot Desking allows users to share phones or temporarily move to other phones and yet maintain their personal identity
  • Desktop phone twinning with up to 9 other devices – mobile phone, teleworker phone, DECT phone, etc.
  • Remote phone / Teleworking capabilities without the need for VPN or external servers
  • Enhanced meeting room / boardroom audio conferencing with support for the MiVoiceConference Phone
  • Collection and reporting of statistical system information with the ability to store it persistently across system shutdowns, resets, and software upgrades
  • Support for a full suite of Mitel and third-party communication applications
  • Four built-in analog trunk ports*
  • Four built in analog station ports
  • Four module bays for internal expansion of TDM-based device capacity that can be used in any combination
    • T-1/E-1/PRI Module can be used to connect to the telephone company, to other phone systems, or to other MiVoice Office 250 communication platforms
    • Loop start module provides four analog connections to the phone company*
    • Analog phone module provides four analog phone (ONS) connections
    • Digital phone module provides 16 digital phone connections
  • Built-in paging and music on hold ports
  • “Door Relay” capability controllable by feature code or key from designated phones
  • Support for the optional Digital Expansion Interface (DEI) for digital and analog phone expansion beyond the core platform capacity
  • Built-in Dynamic Host Configuration Protocol (DHCP) server functions for Mitel IP phone deployment and other business needs

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