This bt essential digital phone with nuisance call blocking and answer machine can block up to 100 specific numbers or silence calls with the dedicated call block button'. '.strtoupper('w')ith a hands free speaker and excellent sound quality, this ph... This bt essential digital phone with nuisance call blocking and answer machine can block up to 100 specific numbers or silence calls with the dedicated call block button'. '.strtoupper('w')ith a hands free speaker and excellent sound quality, this ph... This bt essential digital phone with nuisance call blocking and answer machine can block up to 100 specific numbers or silence calls with the dedicated call block button'. '.strtoupper('w')ith a hands free speaker and excellent sound quality, this ph... Bt essential phone quad cordless phone answering system with caller id 3 additional handsets Bt essential phone single cordless phone answering system with caller id Bt essential phone trio cordless phone answering system with caller id 2 additional handsets Bt essential phone twin cordless phone answering system with caller id additional handset Bt everyday cordless phone with caller id |