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alaScore 82

26 reviews

Feb, 2018

alaTest has collected and analyzed 26 reviews of BT DUET 20. The average rating for this product is 4.3/5, compared to an average rating of 4.0/5 for other Cordless Phones for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Cordless Phones the BT DUET 20 is awarded an overall alaScore™ of 82/100 = Very good quality.

Review analysis

(Based on 26 reviews)

User Reviews  


Below is a list of reviews for this or similar products. If you think this grouping is wrong please click here to flag.
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Showing 1 - 10 of 26 Show Reviews: in English

Consumer review by: star 1 (

Quality and Value


Delighted with this product. Slim-fitting, unobtrusive, choice of volume control (or none at all) and other useful features - all at an excellent price.

Jan, 2012

Consumer review by: JohnW (

Really Does them Job


A fine BT phone that ticks all the boxes. Whether freestanding or used wall mounted this phone really delivers.

Dec, 2011

Consumer review by: Stephen (

Good buy


Simple "no frills" phone that does the job. Product included a template to be used for drilling the wall (if wall mounting required), but disappointingly no screws. The phone itself does the job - just lift the receiver and dial !

Nov, 2011

Consumer review by: Kelly (

Ok phone


This phone is used in my bedroom, easy to use quick to put together, love the fact you can turn the ring volume down or off completely, my only down fall is the ear volume control find it difficult to hear the other person on the other end, and when my...

Nov, 2011

Consumer review by: jh (

good purchase


used for a kitchen phone extension as my little boy threw the cordless one we had down the toilet !

Nov, 2011

Consumer review by: David (

BT Duet 20 Corded Telephone


Very Good Value For Money

Nov, 2011

Consumer review by: Kitty (

Does what it says ...


Needed this to test a new phone line extension - it does what it says on the box - perfectly good phone - although it my case it is now a spare just in case the wonder of wireless fails.

Oct, 2011

Consumer review by: GARTH (

BT Duet 20 Corded Telephone


very good for price and for a second phone

Oct, 2011

Consumer review by: Anonymous (

Good Buy


Who bought the first ever telephone ? Wouldn't have been much use to them with nobody else to ring !!!!!!!!! This one is great, and so many people to talk to. recommend this good quality phone... Great value for money.

Sep, 2011

Consumer review by: cymruddraig (

good buy


purchased a cordless phone standard range from argos and it was useless, replaced it with this phone found this better quality

Sep, 2011

Product Specifications

BT is one of Europe's leading providers of telecommunications services. Its principal activities include local, national and international telecommunications services, higher-value broadband and Internet products and services, and IT solutions. The BT Duet 20 has a range of features including Call Waiting option, call indicator light, redial and secrecy buttons. It is also wall mountable and an ideal small gondola phone at an affordable price.


Packaged Quantity:1
Product Line:BT Duet


Colour:Chalk white

Service & Support

Type:1 year warranty


Dialer Type:Keypad
Type:Corded phone