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We had this phone for just over a year, and were impressed with the sound quality, and the various features such as up to 11 minutes digital recording time, 255 name and number phonebook, mobile phone SIM card copy feature, text messaging with 50 text memory feature.
All the features were quite simple to use, with the help of the easy to follow instruction booklet which comes with the phone. We had the main phone and then another base. We also had another plug in phone in the house, as these phones cannot be used in the event of a powercut. We needed to do this because we do have some wiring issues which causes power to trip at times!
The handsets have largish number buttons- ideal for larger fingers. The hub for the main phone, is quite stylish, with the answaphone facility.
We had to replace the phone recently as we were having problems with the phone not charging when placed in the base, if it had still been under guarantee we would have sent it back to be fixed, but instead replaced with a new BT phone.
The BT synergy 4500 is, largely, a good phone. The call quality is very good and it is comfortable in your hand while pressed up against your ear. The buttons on the phone are big and easy to use.
You can store up to 255 names in the phonebook, and you can also (for an extra price) add caller displays and specific ringtones for each caller.
Another useful feature of this phone is that you can text from it. The screen isn't that big, and isn't colour, but despite this I've found texting to be easy, largely helped by the large number buttons.
Overall, this is quite a good phone. The call quality, while not excellent, is quite good. It also has a relatively wide range of extra features, and the text messaging is particularly useful. The large buttons make it easy for someone with limited sight to see what they're doing. Recommended.
The BT Synergy 4500 is a digital cordless telephone with a built in answering machine. We have owned this phone for about a year now purchased from Argos for £49.95. Before we purchased this phone we were the unfortunate owners of a BT 2015 Quartet phone but after reading reviews on the BT Synergy we decided to go with another BT model. The BT Synergy 4500 has up to 255 name and number directory and if you wish to pay extra through Bt you can assign Caller display service and have ringtones for specific callers on this phone. It is also possible to send text messages from this phone, with available storage for up to 50 text messages. You can either choose to record your own message or one of the pre recorded messages found on the answering machine. One of the features that we have found very useful is Remote Access. This enables you to operate the answering machine remotely to listen to your answering machine messages when you are away from home. This phone also has a mobile phone SIM card copy feature which enables you to copy phonebook information from your mobile to your Bt Synergy phonebook, however 3G SIM cards are not compatible. I tried to copy phonebook information from my wifes phone to the BT Synergy with no success, and then I read the small print within the instruction booklet. Overall we have found this to be a good phone which hasn't let us down to date.
I have a BT Synergy 4100 Quad in my house and I will be replacing it very soon. It is ok but we have had a few issues with it over then past year.
One thing I must say is that I always keep a corded phone in one socket just in case the wireless ones ever stop working.
Ok to cut a story short the battery life in each handset has decreased dramatically over time in that before we could keep a handset in one room or on desk for ages but now it is only 1 hour maximum.
This is annoying when a call comes through but the phone next to you rings for 1 second then cuts off due to low battery - and then I must run to the other phone (assuming its in its power unit) to answer it. If its not in its power unit then I miss the call and end up having to check messages or do 1471.
Maybe the BT Synergy 4500 will do better but for now I might keep the corded phone by my desk at all times until I've tried and tested a new cordless one.
On a positive note, the phone is clear sounding and has a text message feature. You can also customise each handset to display text according to the room it belongs in so you never get them mixed up; not that causes a problem but I prefer to keep the same handset for each room.
I would say that it isn't easy to use or customise and is a bit like those old brick sized cellphones that first came out with expensive contracts pre-1999. Since then user interface designs for mobiles such as the menu system has vastly improved but it's a pity that the wireless phones in houses hasn't caught on yet.