Finally, take into account the reduction in quality that goes hand in hand with hold music. The audio quality is—at best—24 times worse than that from a CD. Yes, we just said CD. The public telephone network wasn’t built with HD music in mind. Thankfully for OnSIP customers, we provide HD radio for VoIP music on hold. That said, your company might have top of the line audio quality, but if clients call in from an old landline or cell, they might hear some distortion.
An educated customer is your best customer. So, if you had their undivided attention, what would you want your customers to know? On hold marketing offers the perfect opportunity to talk about the latest solutions in IT security solutions, share your experience and certifications, and assure prospective customers that they have made the right call! In fact, your phone system is a powerful marketing tool for your business, allowing you to easily update your messaging with the season, advertise your support services, or highlight a few customer testimonials. Inform callers of the technology manufacturers you work with, your 24-hour support line, or what they can expect when they work with you. Build your credibility by sharing information about your industry awards, experience & certifications, and more. Reduce the frustration of long hold times by keeping callers engaged with informative content such as details on the latest VoIP systems and Cloud computing. Choose voice and music that compliments your brand and company values.

So while this loss of quality is fine for regular conversations where it's just people speaking, if you're planning on piping music down the telephone line, you need to remember that the audio quality will, at best, be around 24 times worse than what you'd hear on a CD.
The Perceived wait time could frustrate a caller if he feels the time on hold is excessive. Even if he is on hold for a few minutes – it may seem longer.