Abstract
A wireless system performs interworking of a combined circuit switched (CS) session and an IP multimedia core network subsystem (IMS) session between two users having different content capabilities through an interworking circuit switched (CS) and IMS function (IMS CS IWF).
A wireless system performs interworking of a combined circuit switched (CS) session and an IP multimedia core network subsystem (IMS) session between two users having different content capabilities through an interworking circuit switched (CS) and IMS function (IMS CS IWF).
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| Not Available | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
Specification Information
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Technologies
Product
Use Cases
Wireless communication
Services
Claim
1. In a wireless network having at least two users, a method comprising: initially establishing a circuit switched (CS) session between two users having different content capabilities; establishing an IP Multimedia subsystem (IMS) session between the two users; combining the CS session and the IMS session; and providing interworking of the combined CS and IMS session.
2. The method of claim 1, wherein the content includes at least voice and multimedia.
3. The method of claim 1, wherein a first one of the two users invites the IMS session.
4. The method of claim 1, wherein a second one of the two users accepts the IMS invitation.
5. The method of claim 4, wherein the CS and IMS content is combined in the IMS domain using a CSI interworking function (IWF).
6. The method of claim 1, further comprising configuring one of the two users as a wireless transmit/receive unit (WTRU) having Internet Protocol (IP) multimedia system (IMS) capabilities.
7. The method of claim 1, further comprising configuring one of the two users as a wireless transmit/receive unit (WTRU) having interworking Internet Protocol (IP) multimedia system (IMS) and circuit switched (CS) call capabilities.
8. The method of claim 7, further comprising configuring a remaining one of the two users as a wireless transmit/receive unit (WTRU) having interworking Internet Protocol (IP) multimedia system (IMS) and circuit switched (CS) call capabilities.
9. The method of claim 8, further comprising the (WTRU) having Internet Protocol (IP) multimedia system (IMS) capabilities initiating an invite for a combined CS and IMS session
10. The method of claim 8, further comprising the (WTRU) having interworking capabilities -receiving a voice message over the CS capability and receiving media content over the IMS capability
11. The method of claim 10, further comprising the (WTRU) having IMS capabilities receiving a Voice over IP (VoIP) voice message combined with a media message over the IMS capability
12. The method of claim 8, farther comprising providing an interworking function between said two users for receiving media and VoIP format voice content from the IMS capable WTRU and providing media content to the IMS capability of the interworking WTRU and translating VoIP format voice content to a format compatible with the CS capability of the interworking WTRU
13. The method of claim 8, further comprising providing an interworking function between said two users for receiving media and a CS voice content from the interworking WTRU and providing media content to the IMS capability of the IMS capable WTRU and translating the CS voice content to VoIP format compatible with the IMS capability of the IMS capable WTRU
14. The method of claim 8, further comprising providing an interworking function (IWF) between said two users for conveying to only the IMS capability of the interworking WTRU an invite from the IMS capable WTRU, conveyed to the IWF through an IMS domain and receiving an accept from the interworking WTRU and conveying the Accept to the IMS capable WTRU through the IMS domain
15. The method of claim 14, further comprising the (IWF) establishing CS voice bearer between a media gateway (MGW) in said IMS domain and the CS capability of the interworking WTRU
16. The method of claim 14, further comprising the (IWF) establishing a packet switched (PS) media bearer between said IMS capability of the interworking WTRU and the IMS domain
17. In a wireless network having at least two users, an apparatus comprising: a device for initially establishing a circuit switched (CS) session between two users having different content capabilities; said device further establishing an IP Multimedia subsystem (IMS) session between the two users by combining the CS session and the IMS session, thereby providing interworking of the combined CS and IMS session
18. The apparatus of claim 17, wherein the content includes at least voice and multimedia
19. The apparatus of claim 17, wherein a first one of the two users is configured to provide an invite for the IMS session.
20. The apparatus of claim 17, wherein a second one of the two users is configured to respond to the invite and send an accept of the IMS invitation.
21. The apparatus of claim 20, wherein the CS and IMS content is combined in the IMS domain using a CSI interworking function (IWF).
22. The apparatus of claim 17, further comprising one of the two users being configured as a wireless transmit/receive unit (WTRU) having Internet Protocol (IP) multimedia system (IMS) capabilities.
23. The apparatus of claim 17, further comprising one of the two users being configured as a wireless transmit/receive unit (WTRU) having interworking Internet Protocol (IP) multimedia system (IMS) and circuit switched (CS) call capabilities.
24. The apparatus of claim 23, further comprising a remaining one of the two users being configured as a wireless transmit/receive unit (WTRU) having interworking Internet Protocol (IP) multimedia system (IMS) and circuit switched (CS) call capabilities.
25. The apparatus of claim 24, further comprising the (WTRU) having Internet Protocol (IP) multimedia system (IMS) capabilities being configured to initiate an invite for a combined CS and IMS session.
26. The apparatus of claim 24, further comprising the (WTRU) having interworking capabilities being configured to receive a voice message over the CS capability and to receive media content over the IMS capability.
27. The apparatus of claim 26, further comprising the (WTRU) having IMS capabilities being configured to receive a Voice over IP (VoIP) voice message combined with a media message over the IMS capability.
28. The apparatus of claim 24, further comprising providing an interworking function between said two users configured to receive media and VoIP format voice content from the IMS capable WTRU and providing media content to the IMS capability of the interworking WTRU and configured to translate VoIP format voice content to a format compatible with the CS capability of the interworking WTRU.
29. The apparatus of claim 24, further comprising providing an interworking function between said two users configured to receive media and a CS voice content from the interworking WTRU and providing media content to the IMS capability of the IMS capable WTRU and configured to translate the CS voice content to VoIP format compatible with the IMS capability of the IMS capable WTRU.
30. The apparatus of claim 24 further comprising providing an interworking function (IWF) between said two users configured to convey to only the IMS capability of the interworking WTRU an invite from the IMS capable WTRU, conveyed to the IWF through an IMS domain and configured to receive an accept from the interworking WTRU and conveying the Accept to the IMS capable WTRU through the IMS domain.
31. The apparatus of claim 30, further comprising the (IWF) being configured to establish a CS voice bearer between a media gateway (MGW) in said IMS domain and the CS capability of the interworking WTRU.
32. The apparatus of claim 30, further comprising the (IWF) being configured to establish a packet switched (PS) media bearer between said IMS capability of the interworking WTRU and the IMS domain.
33. The apparatus of claim 29, further comprising the (IWF) being configured to convey terminate messages to the interworking WTRU and the MGW responsive to a terminate (BYE) message from the IMS capable WTRU.
34. The apparatus of claim 33, further comprising the MGW being configured to provide a release call message to interworking WTRU responsive to the BYE message from the IWF.']
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