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Method for realizing voice service, terminal and system for realizing voice fallback

A voice service and terminal technology, applied in the field of communication, can solve problems such as the difficulty of voice service fallback, and achieve the effect of reducing complexity and delay

Inactive Publication Date: 2017-02-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem that it is difficult for the terminal to complete the fallback of the voice service in the networking scenario of the LTE wireless network and the CDMA wireless network, the present invention provides a voice service implementation method, a terminal and a system for realizing voice fallback, so as to at least solve the above problems

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  • Method for realizing voice service, terminal and system for realizing voice fallback
  • Method for realizing voice service, terminal and system for realizing voice fallback
  • Method for realizing voice service, terminal and system for realizing voice fallback

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Embodiment 1

[0078] This embodiment is described by taking the implementation on a dual-mode CDMA / LTE terminal as an example. As shown in 7, the dual-mode CDMA / LTE terminal includes the following modules: a pre-registration module 72, a notification module 74, and a radio link control module 76 and voice data transmission module 78, the structure will be described below.

[0079] First, the pre-registration module 72, user equipment (User Equipment, referred to as UE) (that is, the above-mentioned dual-mode CDMA / LTE terminal) pre-registers to the core network equipment through the pre-registration module 72, so that the core network equipment knows that the UE has the CSFB function , and then when the UE wants to perform a voice service, the core network equipment will instruct the LTE wireless network and the CDMA wireless network to drop the voice service back to the CDMA network. The pre-registration process may be forwarded to the core network through the LTE wireless network, or direc...

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Abstract

The invention discloses a voice service implementation method, a terminal and a system for implementing voice fallback. Among them, the method includes: the terminal sends a voice service request to the core network through the LTE wireless network; the terminal falls back the voice service from the LTE wireless network to the CDMA wireless network according to a set control method; the terminal executes the communication with the core network through the CDMA wireless network Voice service. Through the present invention, in the networking scenario of LTE wireless network and CDMA wireless network, the problem that it is difficult for the terminal to complete the voice service fallback is solved. This method reduces the complexity of the terminal completing the voice service in the above networking scenario, and reduces time delay.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method for implementing a voice service, a terminal and a system for realizing voice fallback. Background technique [0002] With the evolution of wireless communication technology, more and more operators have chosen or are about to choose Long-Term Evolution (LTE for short) as their future 4G wireless network. Some of these operators have deployed the first 3rd Generation Partnership Project (3GPP for short, or 3G for short) network, such as Global system for Mobile Communication (GSM for short) or Universal Mobile Telecommunications System (for short) UMTS), etc., but a large part of operators originally deployed 3GPP2 networks, such as Code Division Multiple Access (CDMA for short) wireless networks. In the initial stage of LTE deployment, since LTE itself does not have a circuit domain that supports voice services, when end users need to provide voice services, they oft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04W76/02H04W76/06
CPCH04W36/00224
Inventor 朱昀
Owner ZTE CORP
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