Voice service in evolved packet system
First Claim
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1. A method in a user equipment (UE) having a usage setting in an Evolved Packet System (EPS), the method comprising:
- receiving, at the UE from a network, a Non Access Stratum (NAS) protocol ATTACH ACCEPT message with a Voice over IP Multimedia (IM) Core Network (CN) Subsystem (VoIMS) indicator; and
responsive to the usage setting of the UE and the VoIMS indicator received from the network, disabling Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN) capabilities.
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Abstract
Methods and apparatus to manage voice service in evolved packet systems are disclosed. An example in a UE with a first indicator related to voice services in an Evolved Packet System (EPS) includes receiving a first Non Access Stratum (NAS) protocol response message with a second indicator and responsive to at least one of the first indicator or the second indicator, cause the UE to select to another radio access technology (RAT).
49 Citations
20 Claims
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1. A method in a user equipment (UE) having a usage setting in an Evolved Packet System (EPS), the method comprising:
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receiving, at the UE from a network, a Non Access Stratum (NAS) protocol ATTACH ACCEPT message with a Voice over IP Multimedia (IM) Core Network (CN) Subsystem (VoIMS) indicator; and responsive to the usage setting of the UE and the VoIMS indicator received from the network, disabling Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN) capabilities. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17)
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11. A user equipment (UE) having a usage setting in an Evolved Packet System (EPS), the UE including a processor configured to:
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receive, from a network, a Non Access Stratum (NAS) protocol ATTACH ACCEPT message with a Voice over IP Multimedia (IM) Core Network (CN) Subsystem (VoIMS) indicator; and responsive to the usage setting of the UE and the VoIMS indicator received from the network, disable Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN) capabilities. - View Dependent Claims (12, 13, 14, 15, 16, 18, 19, 20)
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Specification