From entry level office phones to the more prestige and sophisticated VoIP phone systems, Mitel is one of the industry leaders and tends to have the full package.

Cordless handsets and conference phones to boot, Mitel is as reliable as Cisco and Avaya for having a wide range for business needs.

Small businesses and large companies all view Mitel as a best-seller and reliable manufacturer. The team at Tech-Mag have compiled a list of the Best Mitel IP Phones on the market with a guide and rating of selected devices.

Which are the Best Mitel IP Phones?

Mitel MiVoice 5370 IP Phone

This is a real favourite from Mitel, and has been built specifically for heavy phone users, such as in a busy call centre. It has also been built to be compatible with most headsets, so no worries there.

Based in the DHSG standard, the headset can even be used to control volume and accept calls, which is a useful feature indeed. It’s equipped with conference call capabilities as well as private calling with PIN, loudspeaker and a hands-free operation, making it very flexible to suit individual needs.

This is an advanced feature IP phone and is highly recommended for a busy office, contact centre or workplace where you are bound to make a high number of calls.

Notable Features:

  • Large 5.7″ full VGA Colour touch screen display
  • On screen keyboard
  • Modular headset connector with built-in amplifier
  • Up to 9 lines with call appearances
  • Built-in Gigabit PoE
  • Built-in Bluetooth
  • Multi-proxy support
  • Built-in USB port
  • Intuitive graphical interface
  • Up to 55 programmable softkeys
  • Distinctive ringing, priority alerting
  • Personal directory and redial list
  • XML browser for accessing customised applications

Our rating (out of 10)

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Mitel 6725 Lync IP Phone

Seen as a more mid-range IP phone, the 6725 Lync is known for its ability to operate as a stand alone Microsoft Lync endpoint. This means that there is a synchronised integrations with the desktop client, making life easier all round when using Skype for Business. You can expect to find this for around £100, which is quite good value for money once you’ve considered the features and abilities of it. The colour screen is a nice touch too, and makes is quite easy to navigate.

Our rating (our of 10)

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Mitel 5207 IP System Telephone

Perhaps not one of the best IP phones you can buy, but the 5207 is most certainly not without its advantages. It’s a more basic design than some others, but is perfect if you are looking for something which is affordable (around £40), easy to use, and sturdy enough to last a long time in a small to medium office.

Notable Features:

  • Hands-free speakerphone operation (half duplex)
  • Dual Colour LEDs
  • Single port, multiple lines
  • 20-character backlit display with contrast control
  • 14 programmable multi-function keys with dual-color*LED indicators (for speed dialing, line appearances, feature keys)
  • 8 fixed function keys: Hold, Superkey/Program, Transfer/Conference, Cancel, Speaker, Microphone, Message
  • Wall mountable

Our rating (out of 10)

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Mitel 5220 IP System Telephone

Another inexpensive yet useful IP phone from Mitel – the 5220 IP system phone is a favourite for small businesses. This model is dual port with a multi-line display and provides users fast and easy access to the features and applications enabled by Mitel Integrated Communications Platforms.

  • Setting up conference calls
  • Setting up conference calls
  • Direct Paging
  • Off Hook Voice Announce
  • Automatic Call Distribution (ACD) Agent and Supervisor support
  • Hands-free operation (half duplex speakerphone)
  • 2-line, 20-character backlit display
  • 3 Context sensitive softkeys for feature-set customisation
  • 14 programmable multi-function keys with dual colour LED indicators (for speed dialling, broadcast groups, line appearances, feature access)
  • Wall Mountable
  • Web Browser desktop configuration tool

Our rating (out of 10)

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Mitel 5230 IP System Phone

We actually think that this is really good value for the features you get, and is a great model for a small or even slightly larger office. The 5230 IP appliance is a hands-free IP phone with PDA integration for desktop access and location transparency.

The 5230 IP Phone has quite useful visual instructions for programming and setting up how you want it, with a hands free operation. Conference calling is easy to achieve, and there’s multi-line support for a workplace environment.


  • Hands-free operation
  • Off-hook voice announce
  • Microphone mute
  • Voicemail indication
  • Conference call setup
  • Visual access to standard telephony features
  • Visual instructions to feature activation,deactivation, and programming
  • Visual voicemail, call transfer, conference call, call forward and multi-line support
  • In-call file transfer (Send It feature)
  • Personal speed calls programming
  • Multiple language support

Our rating (out of 10) 

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Mitel Aastra 6739i SIP Telephone

Make no mistake, this is a top end Mitel IP phone and the price tag comes with the quality. This particular SIP telephone has cutting edge technology and offers more than just the large touch screen display that you can see pictured.

This model is the latest member of the carrier-grade, open-standards based 67xi SIP portfolio, brings leading edge communications technology to the desktop in a stylish global design. Featuring a 5.7” full colour high resolution VGA touch screen display, the 6739i offers an intuitive graphical user interface, touch screen soft keys, full duplex wideband audio speaker and handset, dedicated LED indicators, built-in Bluetooth interface and a USB port.

The 6739i also is equipped with multiple headset connection options, support for up to nine lines with call appearances, dual Gigabit Ethernet Interfaces and extensive call management capabilities.

Our rating (out of 10)

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