This is to bring into your notice that I had purchase a handset Panasonic Pprotected vide Tax Invoice no. FAAXXVprotected worth Rs.protected/- But since date of purchase this phone become a headache for me I had given this handset 4 times to your local authorized panasonic service center due to not working properly ; problems faced i.e. handset hang problem, speaker problem, handset heat-up problem, battery problem, charge point jack problem and NOW presently handset incoming call are not receiving from any mobile no. : To check this I had changed the handset and sim insert into other mobile and incoming call receive properly. So it is clear now that the problem is in the handset i.e. Panasonic Pprotected.