
BT Synergy 4500
The new Synergy 4500 from BT telephone handsets comes in a matt black finish. The Synergy 4500 twin also has a digital answering machine, and a massive range of 50 meters indoors. The additional attraction is the 4 days standby battery life, which is absent from many other models. The product comes with a 225 name phone book, with caller display, Gap compatibility and 15 handset ringer melodies. It also has a n answer machine that has a digital recording time of up to 11.5 minutes.






