Switching telephone calls between wireline and cellular telephones
First Claim
1. A system for enabling a telephone subscriber to switch an ongoing telephone call between wireline services provided through a central office in the public switched telephone network and cellular services provided by a mobile switching center in a cellular network, said system comprising:
- a routing table for identifying specific telephone subscribers entitled to switch on-going telephone calls between wireline and wireless services, a look-up table identifying the correspondence of said one specific telephone subscriber'"'"'s wireline and cellular telephones;
a monitor circuit responsive to a unique signal from said one specific telephone subscriber indicating a desired transfer between said one specific telephone subscriber'"'"'s wireline and cellular telephones; and
switch means for effecting said transfer.
11 Assignments
0 Petitions
Accused Products
Abstract
A telephone subscriber having both a wireline and a cellular telephone can switch calls between these phones. A routing table identifies that a subscriber is entitled to this service, and a look up table maintains the telephone numbers of the two different telephones. Upon detection of a unique signal indicating a request for switching a call connected to one of the telephones to the other telephone, a connection is made to the other telephone, the two connections are bridged, and then the first connection is dropped. The routing table may be maintained in a central office and the look up table may be maintained in a mobile switching center or a fixed cellular mobility agent.
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Citations
21 Claims
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1. A system for enabling a telephone subscriber to switch an ongoing telephone call between wireline services provided through a central office in the public switched telephone network and cellular services provided by a mobile switching center in a cellular network, said system comprising:
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a routing table for identifying specific telephone subscribers entitled to switch on-going telephone calls between wireline and wireless services, a look-up table identifying the correspondence of said one specific telephone subscriber'"'"'s wireline and cellular telephones;
a monitor circuit responsive to a unique signal from said one specific telephone subscriber indicating a desired transfer between said one specific telephone subscriber'"'"'s wireline and cellular telephones; and
switch means for effecting said transfer. - View Dependent Claims (2, 3, 4)
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5. A method for enabling a telephone subscriber to switch an ongoing telephone call between wireline services provided through a central office in the public switched telephone network and cellular services provided by a mobile switching center in a cellular network, said method comprising the step of:
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identifying in a routing table in the central office specific telephone subscribers entitled to switch telephone calls between wireline and cellular services;
providing a correspondence of said specific subscriber'"'"'s wireline and cellular telephones;
monitoring a signal from one of said specific telephone subscribers to initiate a call transfer between said subscriber'"'"'s wireline and cellular telephones; and
enabling a switch to effect the transfer in response to said monitor circuit. - View Dependent Claims (6, 7, 8, 9)
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10. A method for enabling a telephone subscriber to switch an ongoing telephone call between wireline services provided through a central office in the public switched telephone network to a wireline telephone and cellular services provided by a mobile switching center in a cellular network to a cellular telephone, said method comprising the steps of:
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monitoring a call connection to a subscriber entitled to switch calls between that subscriber'"'"'s wireline and cellular telephones to detect a request signal for such a transfer;
obtaining the telephone number of that one of said subscriber'"'"'s wireline and cellular telephones not presently engaged in the telephone call;
establishing a connection to said one of said subscriber telephones; and
switching the telephone call to said one of said subscriber'"'"'s wireline or cellular telephones and terminating the connection to the other of said subscriber'"'"'s wireline or cellular telephones. - View Dependent Claims (11, 12, 13, 15, 17, 18, 19, 20)
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14. A system for enabling a telephone subscriber to switch an ongoing telephone call between wireline services provided through a central office in the public switched telephone network and cellular services provided by mobile switching system center in a cellular network, said system comprising:
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a fixed cellular mobility agent having the functionality of a central office and coupled to said mobile switching center, said fixed cellular mobility agent including means for establishing a connection to one of a subscriber'"'"'s wireline and cellular telephones;
means for monitoring and detecting a request from said one subscriber to transfer the call connection to the other of said subscriber'"'"'s wireline or cellular telephones, and means for switching the connection in response to said detected request.
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16. A method for enabling a telephone subscriber to switch an ongoing telephone call to one of the subscriber'"'"'s wireline and cellular telephones to the other of the subscriber'"'"'s telephones, said method comprising the steps of
monitoring the call connection to said one of said subscriber'"'"'s telephones to detect a request by said subscriber to switch between said subscriber'"'"'s telephones, obtaining the telephone number of said other of said subscriber'"'"'s telephones, initiating an outgoing call from said other of said subscriber'"'"'s telephones, establishing a connection to said other of said subscriber'"'"'s telephones, and bridging the connections to said one and said other of said subscriber'"'"'s telephones and terminating the connection to said one of said subscriber'"'"'s telephones.
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21. A system for enabling a telephone subscriber to switch an ongoing telephone call between a wireline telephone of said subscriber and a cellular telephone of said subscriber, said system comprising
a monitor coupled to a connection to one of said subscriber'"'"'s telephones for detecting a request to switch the on-going telephone call to the other of said subscriber'"'"'s telephones, a call initiator, responsive to said monitor, for initiating a call to said other of said subscriber'"'"'s telephones, a switch, responsive to said call initiator, for establishing a call connection to said other of said subscriber'"'"'s telephones, a call bridge for bridging the connections to said one and said other of said subscriber'"'"'s telephones, and a call terminator for terminating the connection to said one of said subscriber'"'"'s telephones.
Specification