Bt converse 2300 black bt converse 2300 telephone with 150 number phonebookbull features 50 number caller id 5 handset and base ring tones colour display paging mute and secrecy buttons 10 one touch memory buttons and on features no batteries or power supply unit required elrtbr switchable handset volume control headset port inductive coupler hearing aid compatible incoming voice amplification one last number redial message waiting indicator