Discover how audio, video, and web conference calls work, their common uses in business, and key features offered by service providers like Zoom and AT&T.

As telehealth expands, even minor glitches can tilt perceptions against you; checking bandwidth, microphone, and lighting is now part of bedside manner.

Those pesky glitches that occasionally interrupt your video calls may be more than just an annoyance — they could undermine your success in everything from job interviews to sales pitches to court ...