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On hold call waiting display method and apparatus

  • US 5,946,384 A
  • Filed: 03/27/1997
  • Issued: 08/31/1999
  • Est. Priority Date: 03/27/1997
  • Status: Expired due to Term
First Claim
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1. A method of notifying a user of call waiting while a telephone is on hold, the method including the steps of:

  • a) muting a transmit signal path and a receive signal path between a central office line and transmitter elements and receiver elements in said telephone;

    b) receiving a customer premise equipment alerting signal from said central office while said transmit signal path and receive signal path are muted;

    c) un-muting said receive signal path after said customer premise equipment alerting signal is received;

    d) generating and inserting an audible message signal into said receive signal path in response to said customer premise equipment alerting signal to notify a user that said customer premise equipment alerting signal has been received; and

    e) re-muting said receive signal path.

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