Advantages: high volume level, ease of menues
Disadvantages: no hold music

...the synergy 2120 has an ample range of features, the only one which it lacks is hold music! the sound quality on the Synergy is also great. You will not hear any distortion untill you wander down the street which you are unlikly to do. The volume meter on the Synergy goes up to quite a high level. A basic facility which believe it or not some DECT phones are without!! The phone also has a built in phonebook so that any numbers that you cant remember or just for quick access to your favorite numbers can be found by presing a button. The phone cost me 69.99 from Currys and i think it was definatly worth the money.... Read review

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Advantages: Easy to use, allows you to site and use the phone anywhere in the house. Good reception.
Disadvantages: I've not found any yet

...I bought this phone to replace an old anologue system, anyone that has had, or owns one of these will be aware of the problems with poor reception. I wanted to replace it and decided to go for a DECT phone, but which one?. A friend at work had just bought a BT synergy and said how good it was. I started the search and found the Synergy 500 Twin advertised at less than £80. I bought it. The phones do what they say. You can walk round the house whilst the reception remains crystal clear, it also works outside, my old analogue claimed it would but it was a joke. The BT Synergy 500 comprises a home base unit which is small and stylish, the second phone sits nicely in a small charging cradle and does not require to be plugged into a phone socket. This is therefore a usefull phone for freeing up a phone sockets for the computer or for putting... Read review

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Advantages: Small, good distance, multiple features
Disadvantages: none

...Having suffered the humiliating experience of owning a brace of Philips Xalio Dect phones I saw a nice little BT job in my local store. The Synergy 2150 is a 2120 with a built-in answering machine. It is almost as small as a mobile phone and is not lacking on features. Hands free speakerphone is a great help when trying to type and talk at the same time, caller recognition with 50 number memory is useful, and sound quality is excellent. The acid test for a digital cordless is “can you actually use it at a distance from the handset?”. The answer is as clear as the speech quality of the BT Synergy - YES! It is an excellent little phone that does everything a DECT phone should. The Synergy 2150 also has a digital answering machine in the base station. It is controlled from the handset and has a capacity of 20 minutes recording time... Read review

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Advantages: Excellent value, Well made, Robust.
Disadvantages: No bad points at all.

...Buying a new phone : After the digital cordless Binatone phones packed up it was time to shop around for a replacement. I would not recommend buying the first phone you see in Argos or on the internet, it's best to go out down the High street to see what's in the shops (see what's cooking as they say), after all a house phone will be used daily and it's important to buy one that meets your requirements whether it's value, quality, weight, design etc. There was a few makes that we looked at including a smart Philips phone and a light weight Samsung but after a few coffees at Coffee Republic we decided to go for the digital BT Synergy 3105 phone. BT 3105 Synergy Phone : The digital BT 3105 Synergy digital phone offers both great value for money and is much better made than the awful white Binatone phone we had (more robust... Read review

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Advantages: Slim, light, modern design,
Disadvantages: Only 3 ringer melodies; No answerphone function; no speaker

...handset to the other handset. The clarity of sound on the phone is very good. Unfortunately there are only 3 ringer melodies and only one of those sounds like a standard phone ringing tone. There is a useful page facility which allows you to press a button on the base and it automatically makes the handset ring, allowing you to find it if lost. There are functions that my Binatone has that this Synergy does not. e.g. Setting different ringer melodies for the base and handset. Speaker function for the handset. But overall range and clarity of the Synergy is far superior to the Binatone. Overall I would recommend this phone. You can't beat BT as a manufacturer of home phones. I am currently looking for a Synergy 2150 (has built in answerphone) to link to my 2110.... Read review

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Advantages: reception, price, size
Disadvantages: boring colour

...After looking and testing various models of cordless digital telephones I finally went for the 2120. My criteria was: compact design, digital quality and reasonable price. The BT synergy 2120 met all three requirements. I also like the neat design of the base unit which can sit discretely anywhere (bear in mind the telephone socket and external power supply required). The reception quality is good with the handset working easily at over 200m or up three flights of stairs indoors! The only drawback so far experienced has been the handset getting lost in the house because of the compact size.... Read review

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