extensions?
BT Synergy 4500 Handset Number to be changed?
BT Synergy 3505 I can't hear them but they can hear me?
How do I fit a modern plug to an old 706 series BT Phone?
my phone crackles?
BT Converse 325 corded phone - LCD display not working - how can I fix it?
How do i set the date and time on my BT Synergy 3505?
Radio cordless phone?
moving phone supply point?