Off-hook triggered cellular-landline conference call
First Claim
1. A method comprising:
- a network switch detecting transition of a landline telephone from an on-hook state to an off-hook state at a time when a call alert signal is not being sent to the landline telephone;
ascertaining by querying subscription data that the landline telephone subscribes to a cellular-landline conference call service, wherein the subscription data is in a subscription database;
responsive to the detecting and the ascertaining, determining whether the cellular telephone is currently engaged in a call, wherein determining whether the cellular telephone is currently engaged in a call comprises querying a call-state database, which indicates call state of one or more telephone devices, to determine call state of the cellular telephone; and
responsive to the determination being that the cellular telephone is currently engaged in a call, engaging in a process to conference the landline telephone into the call;
the method further comprising determining from subscription data that the landline telephone is associated with the cellular telephone.
6 Assignments
0 Petitions
Accused Products
Abstract
A method and system for conferencing a landline telephone into a cellular telephone call is disclosed. In response to a landline telephone going off-hook, a cellular telephone corresponding to the landline telephone is identified. When a determination is made that the corresponding cellular telephone is currently engaged in a call, the landline telephone is conferenced into the cellular call. If the cellular telephone is subsequently disengaged from the call, the original cellular call has been effectively transferred to the landline telephone. The inventive method and system may be linked to a cellular-landline conference call service. For example, a user may subscribe to such a service so that the user may automatically transfer a call from the user'"'"'s cellular telephone to the user'"'"'s home or office landline telephone when that landline telephone is taken off-hook.
21 Citations
11 Claims
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1. A method comprising:
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a network switch detecting transition of a landline telephone from an on-hook state to an off-hook state at a time when a call alert signal is not being sent to the landline telephone; ascertaining by querying subscription data that the landline telephone subscribes to a cellular-landline conference call service, wherein the subscription data is in a subscription database; responsive to the detecting and the ascertaining, determining whether the cellular telephone is currently engaged in a call, wherein determining whether the cellular telephone is currently engaged in a call comprises querying a call-state database, which indicates call state of one or more telephone devices, to determine call state of the cellular telephone; and responsive to the determination being that the cellular telephone is currently engaged in a call, engaging in a process to conference the landline telephone into the call; the method further comprising determining from subscription data that the landline telephone is associated with the cellular telephone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification