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Call processing method

A call processing and unified technology, applied in the field of communication, can solve the problems of other calls being rejected, the system cannot cope with the impact of heavy traffic, the exhaustion of TLDN resources and relay resources, etc., to achieve the effect of saving number resources

Active Publication Date: 2009-06-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0034] Although the above method solves the situation that the user is rejected when the user obtains the routing information multiple times, there is still a problem in the above processing flow. When the user A calls the called user B, for the same called user B, when the A user When the first call comes in, the local office has allocated TLDN1. Before this call is connected, if there are incoming calls from users C and D, at the same time, TLDN2, TLDN3... are allocated again. In fact, for multiple Incoming calls, only one call can be successful in the end, other calls will be rejected in the subsequent process
At the same time, if users are allowed to continue to allocate TLDNs while waiting for incoming calls, and at the same time allocate two or more TLDNs to one call, it may lead to exhaustion of TLDN resources and trunk resources, making the system unable to cope with the impact of heavy traffic

Method used

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Embodiment Construction

[0052] In order to make the purpose, technical solution, and advantages of the present invention clearer, we will further describe in conjunction with specific implementation manners and with reference to the accompanying drawings.

[0053] In the embodiment, we define the first calling user terminal as the calling user terminal that is currently or has established a connection with the called user terminal; the second calling user terminal refers to the first user terminal access process that requests The calling user terminal of the routing information of the same called user terminal.

[0054] The present invention proposes a call processing method. During the access process of the first calling user terminal, the second calling user terminal requests the routing information of the same called user terminal, and the called MSC judges the connection between the second calling user terminal and If the first calling user terminal is the same calling user terminal, the called V...

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Abstract

The present invention provides call processing method. It contains Called side user terminal being first call side user terminal calling accessing process, second call side user terminal requesting same called side user terminal route information, called side MSC judging second call side user terminal and first call side user terminal being same call side user terminal, then called side VLR distributing same information to it, otherwise feeding back called side user terminal busy state information to second call side user terminal. Said method effectively solves double assignment temporary local user number or rejecting same call side terminal calling status.

Description

technical field [0001] The invention relates to the communication field, in particular to a processing method for obtaining routing information multiple times in one call. Background technique [0002] In the wireless communication network, when an inter-office user call occurs, the mobile switching center / visitor location register MSC / VLR of the originating office sends a routing request to the home location register HLR, and the HLR finds the MSC / VLR where the called user is located according to the called user data , obtain the temporary local subscriber number TLDN, and the MSC / VLR of the originating office establishes a connection for this call with the MSC / VLR where the called subscriber is located according to the TLDN, and communicates. The specific workflow is as figure 1 Shown: [0003] Step 101, the calling user initiates a call, and MSC1 / VLR1 completes the assignment information interaction with BSC1; [0004] In a CDMA network, MSC1 / VLR1 sends an ASS_REQ assi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04W8/08H04W8/26
Inventor 刘晓彦李世前
Owner HUAWEI TECH CO LTD
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