Wireless handoffs between multiple wireless networks
First Claim
Patent Images
1. A wireless communications device, comprising:
- a processor configured to support a call over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device, the processor being further configured to handoff the call between the first network and the second network in a way that is transparent to a user of the wireless communications device;
wherein the processor is further configured to handoff the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; and
wherein the processor is further configured to establish the connection to the second network in response to signaling from the network entity supporting a connection between the wireless communications device and the remote communications device over the first network, the signaling from the network entity configured by the network entity to request that the processor establish the connection.
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Abstract
A wireless communications device is disclosed. The wireless communications device is configured to support a call over a cellular network or an IP network to a remote communications device. The wireless communications device is further configured to handoff the call between the cellular network and the IP network. An Interworking Function (IWF) is configured to maintain a call between a wireless communications device and a communications device as the wireless communications device is handed off between a cellular network and an IP network.
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Citations
52 Claims
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1. A wireless communications device, comprising:
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a processor configured to support a call over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device, the processor being further configured to handoff the call between the first network and the second network in a way that is transparent to a user of the wireless communications device; wherein the processor is further configured to handoff the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; and wherein the processor is further configured to establish the connection to the second network in response to signaling from the network entity supporting a connection between the wireless communications device and the remote communications device over the first network, the signaling from the network entity configured by the network entity to request that the processor establish the connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 52)
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8. A method of communicating from a wireless communications device, comprising:
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supporting a call over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device; and handing off the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; wherein the connection to the second network is established in response to signaling from the network entity supporting a connection between the wireless and remote communication devices over the first network, the signaling from the network entity configured by the network entity to request that the wireless communications device establish the connection; wherein the handoff of the call from the first network to the second network is transparent to a user on the call. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A wireless communications device, comprising:
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means for supporting a call over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device; and means for handing off the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; wherein the connection to the second network is established in response to signaling from the network entity supporting a connection between the wireless and remote communication devices over the first network, the signaling from the network entity configured by the network entity to request that the processor establish the connection; wherein the handoff of the call from the first network to the second network is transparent to a user on the call. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A processor, configured to:
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support a call involving a wireless communications device over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device; and handoff the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; wherein the connection to the second network is established in response to signaling from the network entity supporting a connection between the wireless and remote communication devices over the first network, the signaling from the network entity configured by the network entity to request that the processor establish the connection; wherein the handoff of the call from the first network to the second network is transparent to a user on the call. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A non-transitory computer-readable storage media containing a set of instructions for a processor to:
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support a call involving a wireless communications device over a first network that uses a first access technology or a second network that uses a second access technology with a remote communications device; and handoff the call from the first network to the second network by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; wherein the connection to the second network is established in response to signaling from the network entity supporting a connection between the wireless and remote communication devices over the first network, the signaling from the network entity configured by the network entity to request that the processor establish the connection; wherein the handoff of the call from the first network to the second network is transparent to a user on the call. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A network entity, comprising:
a processor configured to maintain a call between a wireless communications device and a communications device as the wireless communications device is handed off between a first network that uses a first access technology and a second network that uses a second access technology, wherein the processor is further configured to provide a three-way conference call functionality, the processor further being configured to support the handoff of the wireless device by sending a caller identification message that directs the wireless communications device to answer a page while currently engaged in the existing call and conferencing into the existing call over one of the networks while the wireless communications device is connected through the other network. - View Dependent Claims (35, 36)
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37. A network entity, comprising:
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means for supporting handing off a wireless device between a first network that uses a first access technology and a second network that uses a second access technology; and means for maintaining a call between a wireless communications device and a communications device as the wireless communications device is handed off between the first network and the second network, wherein the means for maintaining further comprise means for providing three way conference call functionality to maintain the call between the wireless communications device and the communications device as the wireless communications device is handed off between the first network and the second network, the three way conferencing means being configured to support the handoff of the wireless device by sending a caller identification message that directs the wireless communications device to answer a page while currently engaged in the existing call and conferencing into the existing call over one of the networks while the wireless communications device is connected through the other network. - View Dependent Claims (38, 39)
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40. A processor for a network entity configured to:
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support handing off a wireless device between a first network that uses a first access technology and a second network that uses a second access technology; maintain a call between a wireless communications device and a communications device as the wireless communications device is handed off between the first network and the second network; and provide three way conference call functionality, wherein the processor is further configured to support the handoff of the wireless device by sending a caller identification message that directs the wireless communications device to answer a page while currently engaged in the existing call and conferencing into the existing call over one of the networks while the wireless communications device is connected through the other network. - View Dependent Claims (41, 42)
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43. A method of supporting communications from a network entity, comprising:
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supporting handing off a wireless device between a first network that uses a first access technology and a second network that uses a second access technology; maintaining a call between a wireless communications device and a communications device as the wireless communications device is handed off between the first network and the second network; and providing three way conference call functionality, wherein the supporting the handoff of the wireless device further comprises sending a caller identification message that directs the wireless communications device to answer a page while currently engaged in the existing call and conferencing into the existing call over one of the networks while the wireless communications device is connected through the other network. - View Dependent Claims (44, 45)
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46. A non-transitory computer-readable storage media containing a set of instructions which, when executed by a processor at a network entity, cause the network entity to:
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support handing off a wireless device between a first network that uses a first access technology and a second network that uses a second access technology; maintain a call between a wireless communications device and a communications device as the wireless communications device is handed off between the first network and the second network; and provide three way conference call functionality, wherein the supporting the handoff of the wireless device further comprises sending a caller identification message that directs the wireless communications device to answer a page while currently engaged in the existing call and conferencing into the existing call over one of the networks while the wireless communications device is connected through the other network. - View Dependent Claims (47, 48)
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49. A method of communicating from a wireless communications device, comprising:
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supporting a call over a first network that uses a first access technology or a second network that uses a second access technology to a remote communications device; and responsive to a request to handoff from the first network to the second network, handing off the call by establishing a connection to the second network to support the call with the remote communications device, answering a page in response to a caller identification message from a network entity that directs the wireless communications device to answer the page while currently engaged in the call over the first network, conferencing the wireless communications device into the call over the second network, and terminating a connection to the first network that was previously supporting the call with the remote communications device; wherein the handoff of the call from the first network to the second network is transparent to a user on the call. - View Dependent Claims (50, 51)
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Specification