On hold call waiting display method and apparatus
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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Abstract
A method and apparatus for notifying a user of a call waiting while a telephone is on hold. A transmit signal path and a receive path between a central office line and transmitter and receiver elements in the telephone are muted to place a call on hold. A customer premise equipment alerting signal is received from the central office while the transmit signal path and receive path are muted. The receive path is un-muted after the customer premise equipment alerting signal is received and an audible message signal is generated and inserted into the receive path in response to the customer premise equipment alerting signal to notify a user that the customer premise equipment alerting signal has been received. The receive path is then re-muted.
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Citations
28 Claims
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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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus enabling a central office to notify a user of a call waiting in a telephone on hold, said telephone having a central office line termination, a receive element offerable to produce audible signals to a user of said telephone and transmitting said signals to said central office, a transmit element receiving audible signals from a user of said telephone, a receive signal path between said central office line termination and said receive element and a transmit signal path between said central office line termination and said transmit element, the apparatus comprising:
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a) a customer premise equipment alerting signal receiver in communication with said receive signal path offerable to receive receiving a customer premise equipment alerting signal from said central office; b) a generator in communication with said receive signal path generating and inserting an audible message signal into said receive signal path after said customer premise equipment alerting signal is received; and c) a mute controller in communication with said transmit signal path and receive signal path muting said transmit signal path and said receive signal path to place said telephone on hold, un-muting said receive signal path while said audible message signal is inserted into said receive signal path and re-muting said receive signal path after said audible message signal has been inserted. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method of signalling a telephone user of a call waiting while said telephone is on hold, the method including:
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a) receiving a customer premise equipment alerting signal from said central office while a transmit signal path and a receive signal path in said telephone are muted; b) un-muting said receive signal path in response to said customer premise equipment alerting signal; c) 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 d) re-muting said receive signal path after said audible message signal has been inserted into said receive signal path.
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28. An apparatus offerable to signal a telephone user of a call waiting while a telephone is on hold, comprising
a) a customer premise equipment alerting signal receiver in communication with a receive signal path in said telephone offerable to receive a customer premise equipment alerting signal from a central office while said telephone is on hold; -
b) a generator in communication with said receive signal path generating and inserting an audible message signal into said receive signal path after said customer premise equipment alerting signal is received; and c) a mute controller in communication with said transmit signal path and receive signal path muting said transmit signal path and said receive signal path to place said telephone on hold, un-muting said receive signal path while said audible message signal is inserted into said receive signal path and re-muting said receive signal path after said audible message signal has been inserted.
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Specification
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Current AssigneeRPX Clearinghouse LLC (RPX Corporation)
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Original AssigneeNorthern Telecom Limited (Nortel Networks Corporation)
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InventorsBleile, Leonard George, Yee, Bruce William
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Primary Examiner(s)SMITH, CREIGHTON H
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Application NumberUS08/827,121Time in Patent Office887 DaysField of Search379/215, 379/142, 379/202US Class Current379/215.01CPC Class CodesH04M 1/573 Line monitoring circuits fo...H04M 1/578 associated with a synthesiz...H04M 3/428 Arrangements for placing in...
