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BT 3660 twin review

£57.99 View retailers

Test scoreShow Context

Key features
  • Phone & answering machine
  • 2 handsets

The BT 3660 is new cordless phone from BT that's affordable and promises to block those pesky nuisance calls, giving you control over who you speak to and who you avoid. But is it easy to blacklist bad numbers or is this phone tricky to use? Take a look at our full review to find out all you need to know about this cordless phone.

Included in our expert review
  • Pros and cons
  • What is it?
  • What's it like to use?
  • What's the sound quality like?
  • Is there anything I should watch out for?
  • Is there anything else I should know
  • Should I buy it
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First reviewed by Which?

September 18

Released

July 2018

Technical specifications

General

  • Type of devicePhone & answering machine
  • Number of handsets2 handsets
  • Phonebook size50 contacts
  • Answering machine memory12 minutes
  • Location of message indicatorHandset & base
  • Handset display size1.6-inches
  • Location of ringerHandset & base
  • Display typeBlack & white

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test cordless phones>
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Prices updated daily

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Make smarter choices

We have tested 124 cordless phones and found that there are 2 Don't Buys and 44 Best Buys.
Range of Cordless phone scores
  1. 44%
    Lowest score
  2. 69%
    Average score
  3. 88%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to cordless phones we've tested
First month only £5, then £9.99 per month, cancel any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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