Method of implementing UE capability exchange and route control for parallel IMS and CS services
First Claim
1. A method of using equipment identity (ID) in IMS network, in which the equipment ID uniquely identifies a UE in the network and can be used to distinguish multiple UEs sharing a same IP multimedia public user identity (IMPU), wherein a first User Equipment(UE) sends its equipment ID and/or capability information to a second UE;
- and wherein service ID, capability information and equipment ID of one of the first UE and the second UE, as well as the correlation among the service ID, the capability information and the equipment ID of said one of the first UE and the second UE are stored by the other one of the first UE and the second UE.
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Abstract
The present invention discloses a method of implementing UE capability exchange and a method of route control for parallel IMS and CS services in communication system, so as to distinguish among multiple UEs sharing a same IMPU during capability exchange and route control. Said method comprises: each of UEs involved in capability exchange sending its capability information to the opposite party respectively; the opposite party storing these information as well as the correlation between the information and the service ID; The UE including equipment ID of the opposite UE in an initiated service request; service control function entity in the network utilizing the equipment ID to query the established correlation among equipment ID, service ID, and address of the UE, so as to determine the address of the destination UE and route the service request to the destination UE. Said equipment ID identifies effectively a UE in the network.
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Citations
38 Claims
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1. A method of using equipment identity (ID) in IMS network, in which the equipment ID uniquely identifies a UE in the network and can be used to distinguish multiple UEs sharing a same IP multimedia public user identity (IMPU), wherein
a first User Equipment(UE) sends its equipment ID and/or capability information to a second UE; - and wherein
service ID, capability information and equipment ID of one of the first UE and the second UE, as well as the correlation among the service ID, the capability information and the equipment ID of said one of the first UE and the second UE are stored by the other one of the first UE and the second UE. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- and wherein
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14. A method of implementing UE capability exchange for parallel IP Multimedia Subsystem (IMS) and Circuit Switched (CS) services in communication system, comprising the following steps:
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A. a first UE sending a message including service ID, equipment ID, and capability information of the first UE in accordance with triggering condition;
B. IMS network or CS network receiving and forwarding the message to a second UE;
C. the second UE receiving the message and storing the service ID, equipment ID, and capability information of the first UE contained in the message. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of implementing route control for parallel IMS and CS services in communication system, comprising the following steps:
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A. a first UE sending a service request containing an equipment ID of a second UE;
B. service control function entity in network utilizing the equipment ID of the second UE contained in the service request to look up an established correlation among equipment ID, service ID, and UE address of UEs, and obtaining the contact address of the second UE;
C. the service control function entity forwarding the service request to the second UE in accordance with the contact address of the second UE. - View Dependent Claims (34, 35, 36, 37, 38)
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Specification