Incoming and outgoing call problem

[Nadeem Khatry]

I am using note 4 edge and it s facing a problem from last 15 20 days,when i try to call any number it doesnt connect,but other device which i m calling recieve a 1 sec ring,and when someone calls me and i try to attend call even using every possible key,it jst disconnects, i tried to change sim card,same problem,removd sim card for few minutes and switchd on device and it works smoothly for 10 15 min,and thn same again...help me if anybdy could

 

[Rukbat]

See your carrier. It sounds like it could be their problem.