is Walkie Talkie Allowed
Call this method to check whether the Walkie-Talkie feature is enabled or not.
Return
true if the user is allowed to use Walkie-Talkie feature.
Parameters
context
The application context
Call this method to check whether the Walkie-Talkie feature is enabled or not.
true if the user is allowed to use Walkie-Talkie feature.
The application context