<div>Hi</div>
<div> </div>
<div>i have local extensions</div>
<div>and i have connected sip provider account to call out side</div>
<div>but i have account can call any part of the world</div>
<div> </div>
<div>how to restrict some of users should call only USA or any Other</div>
<div> </div>
<div>or restrict to call USA</div>
<div> </div>
<div>ram</div>