KR940003244A - Message Processing Method for Virtual Line Service B-Channel Packet Local Call Processing in ISDN Switching System - Google Patents

Abstract

The present invention relates to a Q 931 (CCITT. Recommendation) message processing method for performing a virtual line B-channel packet local call processing requested by a digital subscriber in an ISDN electronic switch system. Among the mode services, the virtual line service B-channel packet B-channel is set for the local station call processing to give the switchboard a packet switching function (especially 64kbps).

Description

Message Processing Method for Virtual Line Service B-Channel Packet Local Call Processing in ISDN Switching System

Since this is an open matter, no full text was included.

1 is a hardware configuration to which the present invention is applied,

2 is an overall flow chart of the present invention.

Claims (10)

ISDN D-Channel Control Processor Board (IDAP) 111, Digital Subscriber Matching Processor (ISAP) 112, Digital Subscriber Access Switching Processor (ASPI) 113. Digital Subscriber Switched Subsystem (ASSI) 110 including Time Switch Processor (TSP) 114, Time Switch (TSW) 115, Packet Subscriber Access Switch Processor (ASPP) 121, Packet Processing Module (PHM) 122 Packet matching exchange subsystem 120 including a time switch 115 and a time switch processor 123 and connected to the digital subscriber matching exchange subsystem 110, a space switch (SSW) 134, a space switch processor (SSP; 133), an internal network processor (INP: 131), a number translation processor (NTP; 132), which is applied to the ISDN electronic switch having the digital subscriber-switched switching subsystem (INS; 130) is a virtual circuit CLAIMS 1. A method for performing a service B-channel exchange; When the digital subscriber attempts to make a packet mode call, the subscriber status is checked to see if the subscriber can handle outgoing calls. If the subscriber is an outgoing subscriber, the subscriber is assigned an outgoing B-channel and is prepared to set up the calling party's physical path. In this case, a first step (311 to 316) for making an outgoing path through the release process; and a second request for requesting a call progress to the subscriber after the execution of the first step (311 to 316) and allocation of outgoing packet processing; After performing steps 317 to 319 and the second steps 317 to 319, checking whether the calling space switch is connected, and if the calling space switch is connected, 320 to 326, a fourth step (327 to 329) for performing a call connection notification to a subscriber after performing the third step (327 to 326) and making a busy state; and A fifth step (320, 330 to 334) of performing a call release release process and a call release physical path release process if the call space switch is not connected after performing the second steps 317 to 319, After performing step 5 (320, 330 to 334), it checks the status of the called subscriber and information error verification by receiving the incoming call request from the DPC to check whether the incoming call is possible and if the incoming call is impossible, After performing the sixth step (335, 336, 339) requesting early release, the seventh step (337, 338) preparing to set the destination physical path rate by allocating an idle B channel in the network if possible, and the seventh step After performing (337, 338), an eighth step (340, 341) of transmitting a packet call setup request and a notification of connection to a called party of a process of performing a destination physical path setting, and after performing the eighth step (340, 341), the network This setting Investigating whether the channel and the channel set and transmitted by the terminal are the same and receiving an incoming packet processor in the same case, and if not, the ninth step of releasing the B-channel set in the network and setting up a new B-channel (342 to 344). , 353, 354 and the ninth step 342 to 344, 353, and 354 after performing the ninth step, the terminating space switch connection and the terminating time switch connection to notify the subscriber that the call is connected to reach a busy state. After performing steps 345 to 352 and the ninth steps 342 to 344, 353, and 354, when the destination space switch is not connected, an eleventh step of performing an incoming signal release process by performing a physical path release process on the called side; (346, 355 to 359), and when the call progress message or the call message is received after performing the seventh step (337, 338), it is checked whether the channel set by the network matches the channel set by the terminal.Virtual state in the ISDN switchboard system, characterized in that performed by the twelfth step (360, 361) to release the channel set up in the network and to allocate a new channel in the network if it is different from the state to receive the connection notification. Message processing method for circuit service B-channel packet local call establishment. 2. The method of claim 1, wherein the first steps (311 to 316) comprise checking (311, 312) whether the subscriber status is available for outgoing processing when a packet subscriber origination processing request of a digital subscriber is transmitted. 312) If the subscriber is a possible subscriber, steps (313 and 314) are prepared for the establishment of the caller's physical path by receiving the B-channel, and after the execution of the steps (311 and 312), the subscriber cannot be processed. In the case of requesting the release processing, the originating process can be notified and the first step (315, 316) is performed by the ISDN switchboard system, characterized in that performed by the ISDN switchboard system for establishing a virtual line service B-channel packet local call. How messages are handled. 2. The method of claim 1, wherein the second steps 317 to 319 include a step 317 of requesting a call progress to the calling terminal (DSI) when the preparation for the setting of the calling physical path is completed (317). After the execution, the message processing for establishing the virtual line service B-channel packet local call in the ISDN switchboard system, which is performed by steps 310 and 319 which are allocated outgoing packet processing from the ASPP 121. Way. The method of claim 1, wherein the third step (320 to 326), the step (320 to 323) to be assigned an outgoing space switch, and after performing the step (320 to 323), the calling time switch connection request and call D-switching for the virtual line service B-channel packet local call setup in the ISDN switchboard system, which is performed by steps 324 to 326 requesting connection to the mobile station and receiving outgoing time switches from the ASPP 121. Channel signaling method. The method of claim 1, wherein the fourth steps 327 to 329 are performed by the step 327 of making a call connection notification and the step 329 of putting the call in a busy state after performing the step 327. A message processing method for establishing a virtual line service B-channel packet local call in an ISDN electronic switch system. 5. The method of claim 1, wherein the fifth step (330 to 334) transmits an outgoing packet processing release request to the ASPP 121 when the outgoing space switch is not connected, and notifies the subscriber (DSI) of the disconnection notification and the release completion notification. In step 330 to 333, and after performing the steps (330 to 333), the step of releasing the B-channel set in the network (334) characterized in that the virtual circuit in the ISDN switchboard system Message processing method for service B-channel packet local call establishment. The method of claim 1, wherein the sixth step (335, 336, 339), when receiving the incoming request from the ASPP (121), the step of investigating whether the incoming processing performed the status check and information error verification of the incoming subscriber (335, 336), and if the incoming call is not possible after performing the steps (335, 336), ISDN electronics, characterized in that performed by the step (339) to request the early release of the incoming B-channel to the ASP-P Message processing method for establishing virtual line service B-channel packet local call in exchange system. The method of claim 1, wherein the ninth step (342, 343, 353, 354), after receiving the connection notification message, checking whether the channel set by the network and the channel set and transmitted by the terminal are the same (342). And, after performing step 342, if it is equal to step 343, making a request for allocation of an incoming packet processor to APPP 121, and after performing step 342, canceling the B channel set in the network in another case. The virtual line service B-channel packet local call setting is performed by the ISDN switchboard system, which is performed by steps 353 and 354 by setting the B-channel set in the network in step 343. How to handle messages. The method of claim 1, wherein the tenth step (345 to 352) is to receive the incoming packet processing to connect the incoming space switch and the time switch (345 to 350), and after performing the steps (344 to 350), A message for establishing a virtual line service B-channel packet local call in the ISDN switchboard system, which is performed by steps 351 and 352 of notifying a call that the call is connected to the (DSI). Treatment method. The method of claim 1, wherein the eleventh step (355 to 359) is a step (355) for requesting to release the incoming packet processing to the ASPP 121 when the incoming switch is not connected, and after the step (355), the incoming A step (356 to 358) of disconnection notification and call release completion notification to the terminal (DSI), and a step (359) of releasing a preset B-channel after performing the steps (356 to 358). Message processing method for establishing virtual line service B-channel packet local call in ISDN switchboard system. ※ Note: The disclosure is based on the initial application.