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alaScore 89

508 reviews

Mar, 2018

alaTest has collected and analyzed 508 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 508 reviews)

1 expert reviews

User Reviews  


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Showing 1 - 445 of 508 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

Mar, 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 (

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

Consumer review (

Does what it says very well!


I bought this for my elderly mother who is hard of hearing. It was easy to set up, the big buttons are easy for her to use, the phone is loud enough for her to hear and she loves the ring tone. Absolutely splendid!

Nov, 2017

Consumer review (

Nice loud phone


A very nice design phone, great features & nice loud ringtones. The amplify button for speech is a good feature but it works perfectly without needing to use it.

Nov, 2017

Consumer review (

easy to use


great phones easy to in stall also has unwanted call block

Sep, 2017

Consumer review (



I find the sound too faint and with the amp' on, still not as loud as I think they should be. Also those I call can't hear me very well.

Aug, 2017

Consumer review (



very good product.. i will recommend it. very good product.... very good product....

Aug, 2017

Consumer review (

Looks nice


Ordered this as it was reasonably price and just wanted a cheap basic phone as my grandson broke my other one. Not set it up yet, but pleased as it is exactly as in the picture.

Jun, 2017

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