Fully automatic credit card calling system
First Claim
1. In a mobile cellular telephone having a key pad connected to a controller unit and a digital signal processor containing stored data and a tone detection unit, a method for using automatic credit card calling with the cellular telephone comprising the steps of:
- Step 1 originating a call over a telephone network for the calling card service provider using a previously stored calling card service provider access number;
Step 2 sending the telephone number to the service provider;
Step 3 activating the tone detection digital signal processing procedure and awaiting a tone signal response from the service provider to verify whether the desired telephone number is correct;
Step 3A terminating the telephone call if an incorrect response is received;
Step 4 sending the calling card number to the telephone network;
Step 5 activating a tone detection digital signal processing procedure and awaiting a tone signal response from the service provider to verify whether the calling card number is correct;
Step 5A terminating the telephone call if an incorrect response is received in Step 5;
Step 6 automatically proceeding with the calling card call when all the telephone credit card call information has been determined to be correct.
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Accused Products
Abstract
A method for a cellular telephone automatic credit card calling system. In the analysis method, a series of program steps are provided for a digital signal processor (DSP) in the cellular telephone that activates the digital signal processor to listen to and analyze the received voice signals. The method may be considered as including three parts. (1) Tone detection method using the DSP to listen to the tone received from the calling card company. (2) Initializing the mobile phone for calling card use by selecting a default method on the ground of the telephone number of the calling card company. (3) Setting up a card call using the above mentioned tone detection (1), automatic insertion of "0" in front of the dialed number and call activation by a long press of the SEND-key. All of the three parts are manifested on the sequence of calling card process steps and implementation in the mobile telephone.
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Citations
7 Claims
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1. In a mobile cellular telephone having a key pad connected to a controller unit and a digital signal processor containing stored data and a tone detection unit, a method for using automatic credit card calling with the cellular telephone comprising the steps of:
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Step 1 originating a call over a telephone network for the calling card service provider using a previously stored calling card service provider access number; Step 2 sending the telephone number to the service provider; Step 3 activating the tone detection digital signal processing procedure and awaiting a tone signal response from the service provider to verify whether the desired telephone number is correct; Step 3A terminating the telephone call if an incorrect response is received; Step 4 sending the calling card number to the telephone network; Step 5 activating a tone detection digital signal processing procedure and awaiting a tone signal response from the service provider to verify whether the calling card number is correct; Step 5A terminating the telephone call if an incorrect response is received in Step 5; Step 6 automatically proceeding with the calling card call when all the telephone credit card call information has been determined to be correct. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification