Installation Instructions

Some businesses plug the radio or a CD player into their business telephone systems, so callers on hold hear a radio station or a CD playing while on hold (which is not legal, by the way!). Our DP-600 on hold unit simply replaces the radio or CD player – it plugs into the same “Music On Hold” jack on your phone system using the included hookup cables.

First, locate the Music On Hold (MOH) jack on your phone system – that will be inside the central box of your phone system in the back room or closet – not on one of the telephones on your desks. It is likely that the MOH jack will be inside the central box of your phone system, so you may need to lift the cover off.

If you are unable to locate the MOH jack on your phone system, call your phone services vendor – the company you would call if your phone system broke – and ask them where the MOH jack is on your system.

Plug the correct connector into the MOH jack on the phone system. Plug the other end of the cable (which has a mini plug on it) into the “audio out” jack on the DP-600.

Plug in the USB cable (included with the DP-600) into the wall transformer (some people call them a “wall wart”) that is also included with the DP-600. The USB cable is the cable with the two “squarish” connectors on each end. Only one end (the largest connector) will fit in the wall transformer. Plug the other end into the DC jack on the side of the DP-600. BE CAREFUL – you can plug this connector into the DP-600 upside down, damaging the cable, the DP-600 or both. When looking at the top of the DP-600 (the side with the label on it) - the correct part of the cable should have a small arrow on it.

Plug the power transformer into a wall outlet to provide electricity to the on hold unit. Best to plug it into a surge strip or Uninterruptible Power Supply (UPS) if you have one for your phone system – that will protect the DP-600 from power surges.

After about 20 seconds, the DP-600 will begin to play. Flip the on\off switch on the DP-600 to “on,” and you should hear sound from the monitor speaker on the DP-600. You can adjust the volume with the control on the same side of the DP-600 and the on\off switch.

The next step is to set the volume that callers on hold hear – which has nothing to do with the volume YOU hear on the DP-600’s monitor speaker. Shut off the on\off switch for the monitor speaker so you aren’t confused about what you are hearing. Call yourself and have someone in your office put you on hold. Go back to the DP-600 and adjust the volume to a pleasing level on the phone. Best NOT to check the volume on a cell phone – a cell phone will not give you an accurate example of the true volume a typical caller on hold hears.

The most common error made in this process is to set the volume of the DP-600 too high. When in doubt, turn the DP-600 volume down. The DP-600 is very sensitive – and volume set too high will result in fuzziness and even distortion. Turn the volume down to achieve the best possible sound on the phone.

In some cases, business telephone systems have an INTERNAL MOH volume control – in other words, the phone system has its own volume inside the main phone system box. Some phone systems do not have this internal volume, so don’t worry if yours doesn’t. If yours does, however, try to locate it – it will be labeled “music” or “moh”. Turn that volume all the way up. Then back it off slightly. Then go back to the DP-600 and set the final volume. As mentioned earlier – if you don’t wish to deal with this issue, call your phone provider to do it for you. In most cases we are unable to advise you on this issue, because there are dozens, if not hundreds of phone systems in the world. Best to get help from the professional who knows your system best if you run into a problem. The bottom line is – if you hear the recording playing from the DP-600’s monitor speaker, the DP-600 is working fine. The issue is connecting it to your phone system.