When I tried to call my friend, all I got was a busy tone, indicating that their phone line was currently engaged.
As the customer service hotline experienced high call volumes, many callers received a busy tone, prompting them to try again later.
The busy tone persisted on the conference call line as participants dialed in simultaneously, highlighting the overwhelming demand for the virtual meeting.
During the peak hours of the day, attempting to contact the popular online support chat often resulted in a virtual busy tone, signaling that representatives were currently occupied with other customers.
As the news broke and people rushed to get updates, the radio station's phone lines emitted a constant busy tone due to the surge in listeners attempting to call in.
The webinar registration page was so popular that, at times, prospective attendees encountered a virtual busy tone, reflecting the high level of interest in the event.