This plays immediately after the initial greeting message. If all agents continue to remain busy, the caller will continue to hear the On Hold Music, which can be either music or a message. Click Create Call Queue or click Edit (pencil icon) to the right of the queue you wish to select. Select Change under Hold Music. Enter the Name and the Phone Number or Extension you wish to record your initial greeting on. Click Call Now and follow the instructions.
A customer on hold represents a great opportunity to advertise services and products. If your system isn’t, you’re missing out on the one in five callers who make a purchase based on commercials heard on hold. We offer comprehensive phone message ordering options, including:

When you work with a professional audio production company, that uses legally licensed music and professional voice over talent and has experience editing audio for telephony applications, the sound quality is going to be much better than something put together by an amateur or something you've recorded and thrown together yourself. Professional audio production is very cost-effective, and you'll get a big bang for your buck by going professional.
In order to get started with custom on hold messages, you will need to determine your phones MOH (Messages On Hold) capability. If you’re using a traditional pbx business phone system, you’ll need an on hold media unit to play the audio. If you’re using an ipbx or hosted voip set-up then all you need to do is upload the audio file as no media device is required. And, if your a small/home office business using a traditional off-the-shelf 2-4 line telephone then you’ll need the media device and an on hold module adaptor in order to make your standard analog phones on hold message compatible.