To serve you better, we will be moving to a new, larger office & showroom on March 1st. Our new address will be 32C Spruce Street in Oakland, New Jersey. And our new phone number will be 2 zero 1- 3 3 7- 6 2 2 2. We look forward to providing you with the same great service from our new facility.
For those still using analogue or digital phone systems, voice on ISDN circuits has a bandwidth of around 4000Hz. The audio from an analogue phone is sampled at 8000Hz, and because of the nyquist theorem, must be low-pass filtered to 4000Hz. So any frequencies in the audio beyond 4000Hz are lost. Interestingly, the human ear and mind are good at recognising human speech, so this is considered "toll-quality" voice, i.e. good enough to pay for. This is the reason why certain vocalised letters are difficult or impossible to tell apart on the phone. For example, the differences between B, P, T, C, etc. are almost entirely above 4000Hz.

Almost all phone systems* manufactured today have Message on Hold capability, but to determine exactly what you have before your purchase a Message on Hold system, it is best to check with your phone system vendor. Need equipment?
When used in your On Hold Marketing, humor can improve how customers perceive your company and their wait on hold. It also lowers your callers’ defenses, leaving them more receptive to your marketing messages.