Bt graphite 1500 cordless phone and answer phone,base unit for phone 1 and answer phone plus 2 other phones with chargers. all functions work on all three phones and ok on internal calls from/to phones 1 2 and three but no dial tone out and wont ring or receive in coming calls. brand new phone set. line ok and checked. old phone works fine on this line. have tried turning off at power in then on again.but no change.

Lands Phones