my telephone no.02737 247820 not working.i have a broadbrand conction but the phpne no.02737247820 line cuting last weck.i requwsted to telephone operter duwa but not any answer.i also requested to telephone office tharad.he said your telephone line in folt (broken) and we solve your problem immediataly.but not line ok til to taday.this phone in use for office-working ,so i am very dificulty in my working without telephone.