Systems for delivering calls on dual-mode wireless handsets
First Claim
1. A telecommunication system for handling a call placed by a dual-mode phone capable of operating in a cellular mode and in a voice over Internet Protocol (“
- VoIP”
) mode, the system comprising;
a mobile switching center (“
MSC”
) configured to;
receive a call originating from a phone registered with the cellular network, wherein the call is associated with a destination number identifying a destination for the call;
transmit a message requesting a forwarding number associated with a VoIP system; and
forward the call to the forwarding number associated with the VoIP system; and
a service control point (“
SCP”
) in communication with the MSC and configured to;
receive a message requesting a forwarding number associated with a VoIP system;
obtain the forwarding number associated with the VoIP system; and
transmit the forwarding number for reception by the MSC.
5 Assignments
0 Petitions
Accused Products
Abstract
Embodiments of the invention provide novel solutions, including systems, methods and/or software, for providing handoffs between cellular providers and VoIP providers. In some cases, for example, upon the initiation of a call from a dual-mode cellular phone, the cellular network (and/or a component thereof) may be configured to store the dialed number and/or substitute a predetermined number for the dialed number. The predetermined number may be associated with a VoIP provider'"'"'s system. Hence, in a particular embodiment, the call may be routed (e.g., via the PSTN) to the VoIP provider'"'"'s system, which may be configured to obtain (perhaps from an application server) the original dialed number and/or to route the call (e.g., via the PSTN) to the original dialed number. If the dual-mode phone subsequently obtains IP access, a VoIP connection may be established between the VoIP system and the phone and/or a handoff may be performed (e.g., in the VoIP system) to transfer the call from the cellular connection to the VoIP connection. Optionally, the cellular connection may be terminated.
197 Citations
24 Claims
-
1. A telecommunication system for handling a call placed by a dual-mode phone capable of operating in a cellular mode and in a voice over Internet Protocol (“
- VoIP”
) mode, the system comprising;
a mobile switching center (“
MSC”
) configured to;
receive a call originating from a phone registered with the cellular network, wherein the call is associated with a destination number identifying a destination for the call;
transmit a message requesting a forwarding number associated with a VoIP system; and
forward the call to the forwarding number associated with the VoIP system; and
a service control point (“
SCP”
) in communication with the MSC and configured to;
receive a message requesting a forwarding number associated with a VoIP system;
obtain the forwarding number associated with the VoIP system; and
transmit the forwarding number for reception by the MSC.
- VoIP”
-
2. A telecommunication system for handling a call placed by a dual-mode phone capable of operating in a cellular mode and in a voice over Internet Protocol (“
- VoIP”
) mode, the system comprising;
a mobile switching center (“
MSC”
) configured to;
receive a call originating from a phone registered with the cellular network, wherein the call is associated with a destination number identifying a destination for the call;
obtain a forwarding number associated with a VoIP system; and
forward the call to the forwarding number; and
a VoIP system in communication with the MSC, the VoIP system being configured to;
receive the forwarded call;
obtain the destination number; and
connect the call with the destination. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- VoIP”
-
17. A voice over Internet Protocol (“
- VoIP”
) system for handling a call placed by a dual-mode phone capable of operating in a cellular mode and in a VoIP mode, the system comprising;
a VoIP switch comprising a processor and instructions executable by the processor to;
accept a connection with a cellular system, the connection comprising a call originating from a phone registered with the cellular system;
obtain a destination number, the destination number identifying a destination for the call;
connect the call with the destination;
determine that the phone has connected with an IP network; and
perform a cellular-to-VoIP handoff, such that the call is connected with the phone via the IP network. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
- VoIP”
Specification