You support a Skype for Business environment. You deploy System Center Operations Manager. You implement Enterprise Voice.
Some users use a desktop phone to place and receive public switched telephone network (PSTN) calls with people outside of Skype for Business. Some of these users report intermittent connectivity issues with incoming and outgoing calls.
You need to periodically confirm that users are able to place and receive calls with people outside of Skype for Business.
Which two actions should you perform? Each correct answer presents part of the solution.