The ability to put a call on hold and answer another call is built into the default phone apps on Android phones and iPhones.

Android is, for the most part, an open platform. You can use the Google Play Store to install apps and games, or you can go off the reservation and install APKs on ...

You can silence nonessential alerts and calls on your iPhone or Android device for later but still allow designated people and apps to reach you. By J. D. Biersdorfer J. D. Biersdorfer frequently ...