Written by Aimee Bradshaw Reviewed by Tatiana Lebreton Updated on April 24, 2025 On this page The Best Cordless Office Phones 1. Panasonic KX-TGP500 SIP DECT Phone System 2. Avaya 3645 IP Wireless Handset 3. AT&T TL92271 DECT 6.0 Cordless Phone Connect To Cell 4. Mitel MiVoice 622d DECT Phone 5. Vtech LS6475-3 Handset Answering System 6. Mitel MiVoice 632d DECT Phone How Much Do Cordless Phones Cost? DECT vs. ECO DECT: What's the Difference? Expert Verdict Expand Our site is reader-supported – by clicking our links, we can match you with a potential supplier, and we may earn a small commission for this referral. If your business needs to use hardware phones, investing in cordless office phones is a great way to ensure you give yourself and your employees maximum flexibility. With a cordless phone, employees are no longer tied to desks or work stations, and can have a conversation with them. They’re a great addition to your small business phone system.What makes them even better is the fact that different models, with different functions, are available for different office or industrial environments, including working from home.To evaluate and select the best cordless office phones, we compared a variety of models on sound quality, battery life, range, usability and features, and costs. On this page, we’ll rate and review the models that come out on top, helping you choose the best of the best for you or your team. Try Vonage Today! Having the right VoIP provider is a game-changer when it comes to having great sound quality. Vonage can help you with that! Try Vonage The Best Cordless Office Phones: ComparisonWe’ve delved into the US office phones market, comparing, assessing, and ultimately handpicking the best cordless options for you and your employees. Our favorites are: Swipe right to see more 0 out of 0 backward forward Panasonic KX-TGP500 Avaya 3645 AT&T TL92271 Mitel MiVoice 622d Vtech LS6475-3 Mitel MiVoice 632d Expert Rating 4.5 Expert Rating 4.0 Expert Rating 4.5 Expert Rating 4.5 Expert Rating 4.5 Expert Rating 4.0 Price $199 Price $415 Price $15-$355 Price $180 Price $78 Price $455 Get free quotes Get free quotes Get free quotes Get free quotes Get free quotes Get free quotes 1. Panasonic KX-TGP500 SIP DECT Phone SystemAverage price: $199 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. Overall Rating : ★ ★ ★ ★ ★ One of the system’s most worthy features is the HD wideband audio with high definition sound performance. This means the phone can cut through the office noise for smooth conversation. With easy web configuration and a large, backlit LCD display, setting up up to six handsets shouldn’t be a problem.Key features3-line business phoneCall transferLocal 3-way conference1,000-foot range on each handsetFull duplex hands-free speakerphoneRegisters up to 8 DID numbers ▶ Read more: Best Small Business Phone Systems Get personalized cordless phone system quotes from a range of trusted suppliers Get free quotes 2. Avaya 3645 IP Wireless HandsetAverage price: $415 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. Overall Rating : ★ ★ ★ ★ ★ 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 features128 x 96 backlit display with icons and line-status indicatorsStandard battery – 4 hours talk time, 80 hours standby timeHeadset jack802.11a, 802.11b, and 802.11g compatibleDust, shock, and liquid damage resistantAudible and vibration alerts ▶ Read more: 10 Best Office Phones: Make The Right Call Did You Know? VoIP saves businesses an average of 32 call minutes daily 3. AT&T TL92271 DECT 6.0 Cordless Phone Connect To CellAverage price: $15-$355, depending on size of setup 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. Overall Rating : ★ ★ ★ ★ ★ 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 featuresStores up to 6,000 directory entries from up to 4 different cell phonesCaller ID announcesNoise-filtering technologyLong-range coverage and clarityPush-to-talk capabilityHD audio with an equalizer for customized audio 4. Mitel MiVoice 622d DECT PhoneAverage price: $180 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. Overall Rating : ★ ★ ★ ★ ★ 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 cut through a busy working environment. It’s also worth pointing out that the Mitel MiVoice 622d handset is equipped with a Bluetooth® interface for cordless headsets.Key features2 Colour TFT displayVIP phonebook with 6 entriesAmbient noise filter for loud environmentsIntelligent battery management3-color multi-purpose LEDSupport for message and alerting applications ▶ Read more: Mitel Review: Is a Mitel Phone System Right for Your Business? 5. Vtech LS6475-3 Handset Answering SystemAverage price: $78 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. Overall Rating : ★ ★ ★ ★ ★ 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 featuresHandset speakerphoneCaller ID AnnounceUp to 14 minutes of recording timeExpandable up to 12 devices with only one phone jackVoicemail waiting indicatorConference between an outside line and up to 4 cordless handsets 6. Mitel MiVoice 632d DECT PhoneAverage price: $455 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. Overall Rating : ★ ★ ★ ★ ★ Crank the volume up in the office because the Mitel MiVoice 632d DECT can handle it, thanks to the ambient noise filter. It offers a clear 2-color TFT display. The phone includes an additional emergency call key for security professionals or hospital and care facilities.Key features2-color TFT displayIntelligent battery management3 colour multi-purpose LEDAmbient noise filter for loud environmentsAn optional microSD card to save local device dataEmergency call key for security, hospital, and care environments How Much Do Cordless Phones Cost?There are several costs associated with getting a new cordless phone system. These include:The handsets (in other words, the phones themselves)The base stationInstallation of a phone line, if requiredRepeaters to boost the wireless signal (if necessary)Integration with VoIP software (not all providers charge extra for this)For frequent office use, you should be looking to invest in a high-quality handset that can keep up with the buzz. These phones 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. DECT vs. ECO DECT: What’s the Difference?During your research, you’ve probably come across the terms DECT 6.0 and ECO DECT. So, let’s explore and compare these technologies.DECT 6.0 (Digital Enhanced Cordless Technology):Offers a higher standard of cordless phone technology over longer rangesBase stations can support up to six cordless handsetsThe base station connects via an analog or digital phone line and handles the handset radio connectionThe range of a DECT phone is around 165 feet indoors and up to 1000 feet in an open spaceBooster units are available to extend the rangeBattery life of around 12 hours in use and up to two hundred hours when in standbyWhen integrated with a VoIP PBX phone system, some models will allow users to send SMS text messages and access their emailsECO DECT: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 ▶ Read more: Business Phone Systems Verdict Choosing the best cordless phone model for your home office, or your team of remote workers, 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 cordless phone system for your business is to fill out our free quote form. We’ll match you up with phone system suppliers, and they’ll get in touch with you themselves to offer free, no-obligation quotes and answers to all your questions. Get personalized cordless phone system quotes from a range of trusted suppliers Get free quotes Written by: 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: Tatiana Lebreton Senior Grow Online & Business Software Expert Tatiana is Expert Market's resident payments and online growth expert, specialising in (E)POS and merchant accounts, as well as website builders.