Functionality similar to a Walkie-Talkie has also been duplicated on cell phones, in the form of a service called Push-To-Talk (PTT).

In addition to standard apps for streaming services and video conferencing ... antennas to enable the walkie-talkie ...

Arriving in public preview in September, Microsoft Teams is to get walkie-talkie with your phone, letting you easily communicate with co-workers, either over a wireless or a cellular connection.

Apple has disabled the Walkie-Talkie app on the Apple Watch ... In a separate issue, video-conferencing platform Zoom has addressed a flaw that let attackers access webcams without permission.