N 73 SET BATTERY IS NOT WORKING WE GO TO YOUR CUSTOMER CARE FOR SEVRAL TIMES BUT THEY HAVE NOT RESPONDING THIS COMPLAINT .THEY ARE TELLING BATTERY IS COMPLAINT WE HAVE CHANGE 2 NEW BATTERY BUT TILL NOT WORKING PLEASE FIND A SOLUTION FOR THIS, OTHER WISE PLEASE ISSUE A REPLACEMENT FOR A NEW HAND SET KINDLY DO THE NEEDFUL THANKING YOU, YOURS TRULY M VAIRAVAN read full review »