whsper

  1. Listen/Whisper/Barge In. Is is supported on Deskphones?

    Hello, Based on some brief research i did, it seems that the answer to my question is no. But if you could please confirm: Can an extension perform the Listen/Whisper/Barge In services with a desk phone? For example, by dialing a feature access code? Or are those features only available in 3cx...