Establishing a voice call
First Claim
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1. A method comprising:
- receiving, by a user equipment (UE) that is able to use a plurality of different wireless access technologies, a request to establish a voice call; and
in response to the request to establish the voice call;
accessing, by the UE, a device configuration parameter stored in the UE,determining, by the UE based on the device configuration parameter accessed in response to the request to establish the voice call, whether voice over a packet-switched domain is supported by a first wireless access technology of the different wireless access technologies, wherein the UE determines that voice over the packet-switched domain is supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a first value, and the UE determines that voice over the packet-switched domain is not supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a second, different value, the device configuration parameter being part of a collection of configuration parameters stored in the UE that relate to a configuration of the UE, andresponsive to determining that voice over the packet-switched domain is not supported by the first wireless access technology, attempting to establish, by the UE, the voice call over a second wireless access technology of the different wireless access technologies.
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Abstract
A user equipment (UE), which is able to use a plurality of different wireless access technologies, receives a request to establish a voice call. In response to the request, the UE determines whether voice over a first wireless access technology of the different wireless access technologies is supported, and responsive to determining that voice over the first wireless access technology is not supported, the UE attempts to establish the voice call over a second wireless access technology of the different wireless access technologies.
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Citations
18 Claims
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1. A method comprising:
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receiving, by a user equipment (UE) that is able to use a plurality of different wireless access technologies, a request to establish a voice call; and in response to the request to establish the voice call; accessing, by the UE, a device configuration parameter stored in the UE, determining, by the UE based on the device configuration parameter accessed in response to the request to establish the voice call, whether voice over a packet-switched domain is supported by a first wireless access technology of the different wireless access technologies, wherein the UE determines that voice over the packet-switched domain is supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a first value, and the UE determines that voice over the packet-switched domain is not supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a second, different value, the device configuration parameter being part of a collection of configuration parameters stored in the UE that relate to a configuration of the UE, and responsive to determining that voice over the packet-switched domain is not supported by the first wireless access technology, attempting to establish, by the UE, the voice call over a second wireless access technology of the different wireless access technologies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A user equipment (UE) comprising:
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at least one wireless interface to communicate with a mobile communications network according to one or more of a plurality of different wireless access technologies; and at least one processor configured to; receive a request to establish an outgoing voice call from the UE; and in response to the request to establish the outgoing voice call from the UE; access a device configuration parameter stored in the UE, determine, based on the device configuration parameter accessed in response to the request to establish the outgoing voice call, whether voice over a first wireless access technology of the different wireless access technologies is supported, wherein the at least one processor is configured to determine that voice over the first wireless access technology is supported responsive to detecting that the device configuration parameter is set to a first value, and determine that voice over the first wireless access technology is not supported responsive to detecting that the device configuration parameter is set to a second, different value, the device configuration parameter being part of a collection of configuration parameters stored in the UE that relate to a configuration of the UE, and responsive to determining that voice over the first wireless access technology is not supported, initiate establishing the outgoing voice call over a second wireless access technology of the different wireless access technologies. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An article comprising at least one non-transitory machine-readable storage medium storing instructions that upon execution cause a user equipment (UE) to:
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receive a request to establish an outgoing voice call, wherein the UE is able to use a first wireless access technology and a second wireless access technology; and in response to the request to establish the outgoing voice call; access a device configuration parameter stored in the UE, determine, based on the device configuration parameter accessed in response to the request to establish the outgoing voice call, whether voice over a packet-switched domain is supported by the first wireless access technology, wherein the UE determines that voice over the packet-switched domain is supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a first value, and the UE determines that voice over the packet-switched domain is not supported by the first wireless access technology responsive to detecting that the device configuration parameter is set to a second, different value, the device configuration parameter being part of a collection of configuration parameters stored in the UE that relate to a configuration of the UE, responsive to determining that voice over the packet-switched domain is not supported by the first wireless access technology, initiate establishing the outgoing voice call over the second wireless access technology, and responsive to determining that voice over the packet-switched domain is supported by the first wireless access technology, initiate establishing the outgoing voice call over the first wireless access technology. - View Dependent Claims (17, 18)
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Specification