Synthetic decision-making device for service domain and access domain and route calling method

Abstract

The invention discloses a synthetic decision-making device for a service domain and an access domain and a long-term evolution voice over LTE route calling method and relates to the field of communication. The long-term evolution voice over LTE route calling method comprises the steps that when a terminal calls in from the CS network, the synthetic decision-making device for the service domain and the access domain in the mobile CS network judges whether the terminal conducts double registration or not, and if the terminal conducts double registration, the T-ADS flow is executed, so that the access domain is decided. The invention further discloses the synthetic decision-making device for the service domain and the access domain. According to the technical scheme, through extension of the HLR in the 2G/3G mobile network and the SCC AS server in the IMS network and a synthetic decision of the service domain and the access domain, the domain which provides service for a VoLTE terminal similar to VoLTE or capable of achieving the SRVCC function is identical to the domain of the network which the terminal has access to, and the problems such as calling route detour, complicated service execution, repeated charging and roaming service triggering are solved.

Description

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AI Technical Summary

Benefits of technology

This technology allows devices like voice over LAN (Volte) phones on both networks to have their own local area data connections instead of relying solely upon one's phone line connection when they are called from another country. By making sure these connected devices can provide better quality communication than just connecting them directly into an international telecommunications operator's infrastructure it helps reduce costs associated with long distance calls made by users who use different types of equipment at home.

Problems solved by technology

Technological Problem addressed in this patents relates to improving the efficiency and reliance of providing Mobile Overall, these technologies aim to improve the performance and usableness of VoL TE/SRvIC systems over Long Term Evolution (LT)/Long term evolution (LTE)-Advanced Packet Switched (PS) Core Net Gateway Service Option (CSA_EMLA2), allowing access to other types of core networms like GSM Signaling Connection Support Node (SCRNS) rather than just default mode mobility support node (MTC). Additionally, reducing unnecessary data transmission during transition between Cells and Intermediate Standards Group (ISGC) Servers (CS) reduces costs compared to implementing dedicated circuits within their own network.

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