If you are not able to make voice call, then follow the steps to solve the issue.
Solution: To fix JIO voice call issue
- Ensure that LTE mobile data is switched on for JIO sim.
- Open JIOvoice app
- Go to settings
- Now you might see, you JIO is offline for voice calls.
- Scroll down and Under services , Look for the option JIO voice call
- Now if it is already enabled, just disable and enable it again.
- Now you can see the status connecting for JIO voice and finally it will be showing online.
Even after this setting, if you are not able to make the call , then ensure that you jio sim is activated for voice call by dialing 1977
If you are recieving netowrk busy tone, then it is due to JIO call drop issue. You should contact JIO customer care 199 to report this issue.