Music Serves the Message. The whole purpose of playing music for someone on hold was originally to give a few moments between messages for the caller to absorb the message they just heard, for maximum recall later. Music serves the message, while also helping to pass the time. Not just any music will do, however; certain types of music calm a
This means OnSIP customers can now insert custom music, advertisements, company announcements, self-recorded messages, or any other pertinent audio media, into their on-hold music. Additionally, these custom messages can be scheduled to play at specific times on specific days!

"Messages on hold are often one of the most painful of customer ordeals. But when done right by Scott Greggory and crew with actual humor, it takes a customer hassle and elevates it to a customer experience you tell others about. Click through to check out a couple samples. They're addictive, and brilliant marketing." - Bill Cusick / Author & Customer Experience Expert
If you're not actively planning content for your on hold program, and, say, play the radio on hold, you're not controlling what you're playing on hold. You're at the whim of a Radio DJ or program manager, who might play music that's unappealing to your callers or who might be producing and playing ads for your competition.