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VOICEGRAM SERVICE

  • US 3,728,486 A
  • Filed: 08/26/1971
  • Issued: 04/17/1973
  • Est. Priority Date: 08/26/1971
  • Status: Expired due to Term
First Claim
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1. In combination with a telephone system including a sending subscriber'"'"''"'"'s telephone set, sending telephone central office means, receiving telephone central office means, and a receiving subscriber'"'"''"'"'s telephone set:

  • voicegram service center means disposed between said sending and receiving central office means and responsive to a predetermined number of signal pulses originating at said sending set to interconnect said sending set, said sending central office means and said service center means in a first talking circuit to transmit thereon a voicegram originating at said Sending set for recording as an analog signal in said service center means for a first time length; and

    thereafter said service center means responsive to program instructions stored therein after completion of said voicegram recording and further responsive to said signal pulses to interconnect said service center means, said receiving central office means and said receiving set in a second talking circuit and then to derive a voice reproduction of said voicegram from said analog signal and to deliver said derived reproduction voicegram on said second talking circuit to said receiving set for a second time length;

    said combination at the same time producing information pertaining to said voicegram recording time and said reproduction voicegram delivery time, including;

    identifying numbers of said respective sending and receiving sets, said first time length of said voicegram recording, originating time and date of said sending set voicegram, delivery time and date of said reproduction voicegram, said second time length of said reproduction voicegram delivery, and class of said voicegram for computing a charge to said sending set of the cost of said voicegram recording and said reproduction voicegram delivery.

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