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Call addressing method and device

A technology of addressing and call request, applied in the field of communication, can solve the problem that the cardless UE cannot be addressed by a call, and achieve the effect of improving the convenience of communication

Inactive Publication Date: 2020-07-28
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] To this end, the present invention provides a call addressing method and device to solve the problem in the prior art that the card-free UE cannot be addressed by the call due to the address allocated by the SMF for the card-free UE as a private network address

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  • Call addressing method and device

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Embodiment Construction

[0055] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0056]The fifth generation mobile communication technology (5th generation mobile networks, 5G) is the latest generation of cellular mobile communication technology, also known as 4G (The 4th Generation mobile communication technology, the fourth generation mobile communication technology such as LTE-A (Long Term Evolution-Advanced, Long-term evolution technology upgrade version) and WiMax (World Interoperability for Microwave Access, global microwave access interoperability)), 3G (Thethird Generation Mobile Telecommunication, third-generation mobile communication technology such as UMTS (Universal Mobile Telecommunications System, universal mobile telecommunicat...

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Abstract

The invention discloses a call addressing method. The method comprises the following steps: receiving a call request, if a called number carried in the call request is a temporary identity identifier;if so, sending a public network address request message carrying the temporary identity identifier to a temporary identity registration server, receiving a public network address returned by the temporary identity registration server, and sending a call request carrying the public network address to a user plane functional entity UPF, so that the UPF determines the private network address corresponding to the public network address according to a locally stored mapping relationship among the temporary identity identifier, the private network address and the public network address, and forwards the call request according to the private network address. The addressable capability during calling can be provided for a card-free UE under the conditions that the identity of the card-free UE isself-defined and the allocated address of the card-free UE is the private network address, and the communication convenience degree of the card-free UE is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a call addressing method and device. Background technique [0002] In the prior art, UE (User Equipment, user equipment such as mobile terminal) relies on SIM (Subscriber Identity Module, subscriber identity card) to normally access the 5G (fifth-generation, fifth-generation mobile phone system) network, once accessing the 5G network In 5G session management, the UE will have a formal network identity, and the 5G session management has a complete calling and addressing process for the UE using the SIM card. However, when the cardless UE accesses the 5G network in a certain way, the network identity of the cardless UE is user-defined. If the SMF (Session management function, session management function) is the IP address assigned to the cardless UE (Internet Protocol Address, Internet Protocol Address) is a private address, then the call cannot be completed. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/16H04W8/26H04W68/02H04L29/12
CPCH04W4/16H04W8/26H04W68/02H04L61/35H04L61/45
Inventor 田新雪肖征荣马书惠贾佳杨子文
Owner CHINA UNITED NETWORK COMM GRP CO LTD