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.
Pay as You Go and pay only $145 per update (regular retail is $159 per update). That's a savings of $42! Your credit card will not be billed if this is your first time submitting voicemail scripts. You will billed each time you submit your new scripts or every quarter, which ever comes first. If your invoice date is less than 90 days before the end of the next quarter, then you will be billed on the following quarter. (ie. an invoice date of February 16th will be billed on June 30th. February 15th will be billed on March 30th).

People don’t like going on hold, but you knew that. Funny, considering the early telephone users had to wait to be connected anyway, but now we expect an immediate connection. Think back a couple of decades to the dial-up era. You probably remember the time it took for AOL to connect—and the sounds that went with it. Now, a web page that takes more than a few seconds to load is inexcusable.
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