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alaScore 89

515 reviews

Aug, 2018

alaTest has collected and analyzed 515 reviews of BT BT4000 TWIN. The average rating for this product is 4.4/5, 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 BT4000 TWIN is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 515 reviews)

1 expert reviews

User Reviews  


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Showing 1 - 445 of 514 Show Reviews: in English

Consumer review ( review summary for BT BT4000 TWIN


alaTest has collected and analyzed 435 user reviews of BT BT4000 TWIN from The average user rating for this product is 4.4/5, compared to an average user rating of 4.1/5 for other Cordless Phones on

92% of the reviews on give this product a positive rating.

This summary is based on the products: BT 4000 Cordless Big Button Phone with Nuisance Call BlockerBT 4000 Cordless Big Button Phone with Nuisance Call Blocker

Aug, 2018

Expert review by (

BT 4000 single review

  (Rating Hidden)

The BT4000 is a cordless home phone that's designed for older users with its big buttons and hearing aid compatibility. It's also able to block certain types of nuisance calls (like its bestselling predecessor, the BT 6500). The BT 6500 impressed in...

Dec, 2013

Consumer review (

Hands free phone


Perfect if you have sight problems.It is neat looking and many choices of ring tones etc. Easy to set up . Very pleased with my purchase.

Jun, 2018

Consumer review (

Cordless phone


I'm very pleased with the phone. It means I don't miss calls, because it's always beside me. I appreciate the big buttons when making calls. It takes up very little space - wish I'd got one years ago.

Apr, 2018

Consumer review (

Good features easy set up


The phone is good easy to use,the transfer from 1 to 1is a great also nice and loud can hear and use in the garden thanks

Apr, 2018

Consumer review (

Home phones


My new home phones are the best ones ive had by far and quality excellent price wise cheapest and best buy .

Apr, 2018

Consumer review (

Excellent value easy to see and operate.


I have have just bought BT 4000 single big button cordless telephone. I recommend this to anybody. Who like me. Needs to wear glasses to read. With this phone you don't have to. It fantastic. Plus so easy to use. Excellent quality. Fantastic value for...

Mar, 2018

Consumer review (

bg Button cordless Telephone


We have used this for a week now and we are thrilled to bits with the ease of use in every way, And we can hear the phone ringing now all around the house,our old phone had a very quiet ring!Good all round phone and easy to use.

Mar, 2018

Consumer review (

Very Disappointed.


I didn't realise it doesn't have an answerphone. which I find useful

Mar, 2018

Consumer review (

A great cordless phone


Just recently purchased and it's the best cordless phone I've had.As I wear hearing aids it's compatible.The choice of loud volume.Everything about it is good.

Feb, 2018

Consumer review (

Great for older people


Love the big buttons and how easy to use it is. Even puts your phone contacts list on other phone for you !!! Great buy !!!

Feb, 2018

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. PRODUCT FEATURES: 255 name & number phonebook; SIM Card Reader/Writer; Call Waiting; Caller Display; GAP compatibility; 15 handset ringer melodies; Up to 10 hours talk & up to 100 hours standby time.


Standby Time:Up to 100 h
Talk Time:Up to 600 min


Type:LCD display


Model:4000 SMS
Packaged Quantity:1
Product Line:BT Synergy



Service & Support

Type:1 year warranty


Conference Call Capability:3-way
Cordless Phone Standard:DECTGAP
Dialer Type:Keypad
Header Features:W/ call waiting caller ID
Type:Cordless extension handset

Telephone Features

Caller ID:Built-in / Yes
Intercom:Built-in / Yes
Speakerphone:Built-in / Yes
Voice Mail Capability:Built-in / Yes