Method, apparatus and system using camel dialogue services
US9398439B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2015 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Jan 7, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An objective of the present invention is a method, apparatus, and a system using a CAMEL service. According to the method of the present invention, the method comprises the following steps during a process in which a called user equipment moves from an original visit mobile switch center (VMMSC) to a new VMSC: when receiving roaming retry information from the original VMSC, generating a first send routing information containing suppress Terminating CAMEL Subscription Information (TCSI) indicator of the CAMEL dialog service; sending the first send routing information to a home location register, so as to request a mobile station roaming number of the called user equipment in said new MSC. According to the method of the present invention, the initial CAMEL service connection is always maintained during the MTRR process, without bothering to interrupt and re-invoke various kinds of CAMEL services, thereby shortening the call setting time during the MTRR process; besides, the communication load of the network ss7 is reduced, and the network resources are saved. Particularly during the RBT service process, the user will not hear two different ringtones any more, which enhances the user …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.