Top 10 Best Cordless Office Phones

Cordless phones
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What are best cordless office phones? We review 10 of the best cordless office phones from the leading brands in the industry

The Best Cordless Office Phones

Ever feel like you want to take a call outside, then get annoyed because the phone cables tie you to your work station? That’s where cordless office phones can help.

Cordless office phones are just like any other phone, offering the same features such as call forwarding and conference calling, but giving you greater flexibility.

What’s more, there are different models are available for different office or industrial environments to help make your working life easier.

As a result of going cord-free, you can enjoy more flexibility while working from home, while giving your team the freedom to roam and go about their task list with ease.

Cordless office phones aren’t your only option, though. If you’re a small business, check out our Best Small Business Phone Systems article for even more telecoms solutions.

best cordless phone

10 Best Cordless Phones

Panasonic KX-TGP500 SIP DECT Phone System

The Panasonic KX-TGP500 SECT Phone System is suitable for small office and branch office solutions. It includes a music-on-hold answering service and new messages display on the handset.

Price: Low cost

One of the system’s most worthy features is the HD wide-band audio with high definition sound performance. This means the phone can cut through the office or household noise for smooth conversation. With easy web configuration and a large, back lit LCD display, setting up up to six handsets shouldn’t be a problem.

Key Features:

  • 3-line business phone
  • Call transfer
  • Local 3-way conference
  • 1,000 foot range on each handset
  • Full duplex hands-free speakerphone
  • Registers up to 8 DID numbers

Avaya 3645 IP Wireless Handset

The Avaya 3645P Wireless Handset is a professional-level IEEE 802.11a/b/g wireless device suitable for industrial environments. Features such as push-to-talk capability eliminate the need for two-way radios, and there’s a larger earpiece that reduces background noise.

Price: High cost

Thanks to the phone’s back-lit keypad and large display, those looking for ease of use should check out The Avaya 3645P. It offers a built-in speakerphone, headset compatibility, and extended battery-life options, which boost efficiency and extend accessibility. These handsets are engineered for demanding environments that require a high level of collaboration. They are small enough to be highly mobile, yet rugged enough for heavy use.

Key Features:

  • 128 x 96 back lit display with icons and line-status indicators
  • Standard battery – 4 hours talk time, 80 hours standby time
  • Headset jack
  • 802.11a, 802.11b, and 802.11g compatible
  • Dust, shock and liquid damage resistant
  • Audible and vibration alerts

AT&T TL92271 DECT 6.0 Cordless Phone Connect To Cell

The AT&T TL92271 DECT 6.0 Cordless Phone is a clever bunny. It features Connect to CELL™ technology enabling users to make and receive calls on cell phone plans, while utilizing the facilities of a wireless office phone system.

Price: Low cost

If you don’t have too much to spend on your phone system, this budget option from AT&T will do the job nicely. In addition to answering machine facilities, The AT&T TL92271 phone features HD audio, call transfer, on-hook dialing and distinctive ring tones for the office line and cellular line.

Key Features:

  • Stores up to 6,000 directory entries from up to 4 different cell phones
  • Caller ID announce
  • Noise-filtering technology
  • Long-range coverage and clarity
  • Push-to-talk capability
  • HD audio with equalizer for customized audio

Mitel MiVoice 622d DECT Phone

The Mitel MiVoice 622d DECT Phone has a large illuminated 2“ graphic colour display and 8 programmable keys for quick access to favorite functions. This phone can be supported by a PBX for messaging or alert applications.

Price: Mid cost

As a mid range phone the Mitel MiVoice is a good option. It offers more on the feature front than low cost phones. Most notably the PBX support and the ambient noise filter to cut through a busy working environment. It’s also worth pointing out the Mitel MiVoice 622d handset is equipped with a Bluetooth® interface for cordless headsets which is ideal for when you're working remotely and need to carry out other tasks.

Key Features:

  • 2 Colour TFT display
  • VIP phonebook with 6 entries
  • Ambient noise filter for loud environments
  • Intelligent battery management
  • 3 color multi-purpose LED
  • Support for message and alerting applications

Panasonic KX-UDT131 DECT Handset

The Panasonic KX-UDT131 DECT Handset is a tough number. The model is suitable for office or industrial environments and it’s protected against drops on concrete floors and dust from diesel engines. The handset features high-quality wideband audio with background noise reduction and full-duplex hands-free operation, even with a gloved hand.

Price: High cost

When a phone offers voice processing technology and enhanced radio systems to ensure call quality, you can expect to pay a touch more. Also factor in the fact that the model has built-in Bluetooth support allowing a wireless headset use, and you know you’re investing in a high spec system. The phone is platform independent and can work with any SIP compliant service for high-quality wireless communication in any environment.

Key Features:

  • 1.8” color TFT display
  • Noise reduction
  • Hands-free speaker phone (full duplex)
  • Vibration alert
  • 13 hour (narrow band)/10 hour (wideband) talk time
  • 200 hour standby time

Cisco Unified Wireless IP Phone 7925G

The Cisco Unified Wireless IP Phone 7925G has a ruggedized industrial design suitable for users working in demanding conditions as well as general office environments. It supports a wide range of features for enhanced voice communications, including built-in full-duplex wideband audio speakerphones and high-fidelity voice.

Price: Mid/high cost

The Cisco 7925G phone is ideal for heavy duty working environments. It meets military standards for shock resistance, which means it’s hermetically sealed to protect it against dust, liquids and moist wipes. And let’s not forget a rubber casing to shield the phone from damage caused by drops and shocks.

Key Features:

  • Built-in speakerphone for hands-free operation
  • IP54 rated for protection against dust and splashing water
  • IEEE 802.11 a/b/g radio
  • Bluetooth 2.0 support with Enhanced Data Rate (EDR)
  • Long battery life (up to 240 hours of standby time or 13 hours of talk time)
  • Support for a wide range of applications through XML

Avaya 6120 IP Wireless Handset

This is an entry-level phone in the IP world. It’s optimized for use in a general office, and in financial and hospitality industries. Employees can make and receive calls, place calls on hold, set up conference calls, call back unanswered calls and check for messages – and that’s just for starters.

Price: High cost

The Avaya 6120 Wireless Handset is perfect for mobile communication in the workplace. It's also ideal for remote workers who need to talk on-the-go at home. It manages to be lightweight and rugged at the same time. There’s a backlit keypad and large display, and it’s resistant to dust, shock, and liquid damage. Extended battery-life options increase accessibility for 24-hour operation.

Key Features:

  • 128 x 96 backlit display with icons and line-status indicators
  • 802.11a, 802.11b, and 802.11g compatible
  • Speakerphone
  • Optional extended battery up to 8 hours talk time, 160 hours standby time
  • Headset jack
  • Audible and vibration alerts

Vtech LS6475-3 8 Handset Answering System

For a low cost phone, the Vtech LS6475-3 8 Handset Answering System is a featureful system. It supports hands-free landline and/or cellular conversations anywhere in the office. The phone also offers up HD audio and Caller ID Announce to simplify call screening and Push-to-talk.

Price: Low cost

If headsets are an essential part of your business day to day, the Vtech LS6475-3 could be the phone system for you. It includes a headset that provides the same interference-free, superior-quality voice, sound and range as a traditional DECT 6.0 cordless handset.

Key Features:

  • Handset speakerphone
  • Caller ID Announce
  • Up to 14 minutes of recording time
  • Expandable up to 12 devices with only one phone jack
  • Voicemail waiting indicator
  • Conference between an outside line and up to 4 cordless handsets

Mitel MiVoice 632d DECT Phone

The Mitel MiVoice 632d DECT Phone is a ruggedized DECT business phone that complies with the industrial standard IP 65. It’s not just water protected. It’s jet water protected. And with the added dust protection, it can be used outside or in rough industrial environments.

Price: High cost

Crank the volume up in the office because the The Mitel MiVoice 632d DECT can handle it, thanks to the ambient noise filter. It offers up a clear 2-color TFT display. The phone includes an additional emergency call key for security professionals or hospital and care facilities.

Key Features:

  • 2-color TFT display
  • Intelligent battery management
  • 3 colour multi-purpose LED
  • Ambient noise filter for loud environments
  • Optional microSD card to save local device data
  • Emergency call key for security, hospital and care environments

AT&T Synapse Cordless Handset

Need a phone that can handle a complex telecoms system? Cue the AT&T Synapse™ Cordless Handset. This offering is part of the Synapse Business Phone System, which is suitable for businesses that need up to 50 extensions with 1 to 16 outside lines.

Price: Low cost

The AT&T Synapse handset supports most functions of an equivalent Synapse deskphone, including a fully integrated digital answering system and hands-free speakerphone. It offers a large backlit display and personalization options such as selectable ringtones. The handset pairs with AT&T DECT Deskphones, however it will not work as standalone DECT phone.

Key Features:

  • Duplicates most functions of the SB67030 Deskset
  • Large backlit display
  • Hands-free speakerphone
  • Headset compatible (2.5 mm jack)


DECT 6.0 (Digital Enhanced Cordless Technology)

  • Offers a higher standard of cordless phone technology over longer ranges
  • Base stations can support up to six cordless handsets
  • Base station connects via an analog or digital phone line and handles the handset radio connection
  • The range of a DECT phone is around 165 feet indoors and up to 1000 feet in an open space
  • Booster units are available to extend the range
  • Battery life of around 12 hours in use and up to two hundred hours when in standby
  • When integrated with a VoIP PBX phone system, some models will allow users to send SMS text messages and access their emails


  • Reduces so-called electric smog (the invisible electromagnetic radiation resulting from using both wireless tech and mains electricity)
  • DECT systems employ various modes to minimize the transmitting power of both the base station and the handset while in idle mode

Which Are The Best Features for a Cordless Phone?

From our research, we found out that the best cordless office phone suppliers include Panasonic, Cisco, Avaya, Mitel, AT&T and Vtech.

To make sure we present you with the best cordless office phones from each of these companies, we used the following comparing factors:

  • Sound quality
  • Battery life
  • Range
  • Usability and features
  • Cost

Cordless Phone Costs

What will the Cost of a Cordless Phone System Include?

  • Handsets
  • The base station
  • Installation of a phone line if required
  • Repeaters to boost the wireless signal (if necessary)

The Finer Details

For frequent office use, you should be looking to invest in a high quality handset that can keep up with the buzz. These ones are typically priced from around $79.99 up to around $600 depending on how many features your company requires.

The more expensive handsets will generally offer more features, longer battery life, increased range and better quality calls. But when it comes down to it, your total layout will very much depend on the number of people using the system and how many handsets they need. Overall costs can range from a few hundred pounds to over a thousand pounds for larger systems.

If you want to expand your system as the business grows, DECT cordless phone systems are easy to add. Simply purchase additional base stations and handsets as required.

Installing a DECT cordless system should also go some way to saving your company money, as there should be reduced reliance on more expensive, extended mobile or smartphone use.

Which Cordless Office Phone Is Best?

Choosing the best cordless phone model for your business will depend on your unique requirements and budget, so it’s worth compiling a list of features that are essential to your company’s day to day operations.

Another way to discover the best phone cordless phone system for your business is to fill in our short webform. Once complete, the suppliers that best match your requirements will be in touch to discuss suitable options.

If you’re unsure if cordless office phones are the right direction for your business, have a read of our Business Phone Systems article for more options.

Written by:
Aimee profile image
Aimee Bradshaw Writer and researcher

Aimee is Expert Market’s resident telephone systems and point of sale go-to. If she’s not writing about business products, you’ll find her daydreaming about dog walking on Dorset beaches.

Reviewed by:
James Macey Senior Business Software Researcher

James thinks all businesses can improve if they use the right technology. At Expert Market, he utilises his 4+ years experience as a researcher to offer specialised advice on a wide range of categories from CRM to Fleet Management.