TWI273490B - Communication program module structure for network telephone system - Google Patents

Abstract

A communication program module structure in a network telephone system is disclosed. It includes at least one communication protocol module and an operating interface module. Each communication protocol module respectively corresponds to different communication protocols. The operating interface module is used as a man-machine interface to operate interactively with the communication protocol modules. The present invention has the following characteristics: (1) the communication protocol module has a first state machine, and the communication protocol module operates in accordance with the first state machine. (2) The operating interface module has a second state module and the operating interface module operates according to the second state machine. (3) The communication protocol module communicates with the operating interface module via an inter-process communication mechanism.

Description

1273490 Case No. 94142499_Year of the Year _ -5, invention description (ΰTechnical field of invention) The present invention relates to the architecture of a communication program module, which is particularly related to a network telephone The communication program module architecture of the system, and the state machine technology is used to implement the operation interface modules that operate independently of each other, and the respective communication protocol modules. The first figure of the prior art shows the habits for the network telephone system. The architecture diagram of the communication program module architecture. The communication architecture of the conventional network telephone system 10 can be roughly divided into two parts: the first part is the communication protocol module 101, which is used to process the underlying signal and as the upper layer. The call (C a 1 1 s ) is used; the second part is the operation interface module 1 0 3, which is used for handling interaction with the user and calling the lower layer. The communication program of the above-mentioned conventional network telephone system 1 0, the method is to use the two parts of the modules 1 0 1 and 1 0 3, all in the same program. Under this operating framework, the development of the network telephone system, Write the protocol module and the operation interface module in the same program. This kind of conventional practice often brings at least two missing items, which are described as follows: · The first missing: the development method of this kind of writing program The entire network telephone system needs to be redeveloped in the future when it is necessary to replace or modify one of the modules. The second one is missing: a set of operation interface modules can only be combined with one type of communication protocol module, if different communication is required. The communication of the agreed network telephone will cause difficulties in intercommunication. The inventor of the present invention has improved the use of the conventional communication program module architecture for the network telephone system. The communication program module architecture of the road telephone system, which will be used for communication in the VoIP system

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V. Description of the invention (2) __ The interface module and the various communication protocol modules, the process, and the white field as a stand-alone, for the communication program developers, the operation rp is Each communication protocol module can be developed separately. The program module rack of the present invention is the program module rack of the present invention, and the program module rack of the present invention is a communication protocol agreement for the call system; The module, according to the first two-state machine; and the internal communication mechanism, a burden of a communication communication program for the network telephone system. A communication interface module for a network telephone system and a communication protocol (Rocess), and each of which can provide a first purpose system, can reduce the development of the second purpose, provide a structure, and can provide operations as an independent program. (p. The third object is to provide a structure that can utilize the state of the present invention, the program module architecture, the group, and each communication protocol and an operation interface module communication protocol module to include a first state machine Operation; and the 彳 作 面 interface communication protocol module and the system (Inter-Process to communicate. The technology used in the VoIP system to provide the invention provides a use but includes · at least ^ The certain modules correspond to each other and interact as a human-machine interface; the feature is the machine, and the communication cooperative operation interface module is based on the second-shaped operation interface module.

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1273490 3£让_ / ] Γ^----Case No. 941_4j499__年月f Η :双Μ五、发明说明(3) * To familiarize the person skilled in the art with the purpose, features and effects of the invention ▲ The present invention will be described in detail by the following specific embodiments, with reference to the accompanying drawings, which are illustrated as follows: The embodiment and the second figure show the architecture of the communication program module structure of the present invention for the network telephone system. Figure. The communication program module 2 of the present invention mainly includes an operation interface module 200 that is independently operated and a communication protocol module 2 〇 3. Each $trust agreement module 2 03 corresponds to a different communication protocol, such as Η 3 2 3 pass 2 agreement, SI Ρ communication protocol or other communication agreement, etc., and the communication program can be added as needed to add new The communication corresponding to the communication protocol is included in the core group 2 0 3 . For computer systems, the operating interface modulo = 201 and each communication protocol module 2 〇 3 are viewed as separate programs π. On the other hand, for the communication program developer, the face module 201 and each of the communication protocol modules 2〇3 can be opened separately. ^^ The state machine of the operation interface module of the present invention is displayed. The state turns to Lu. J respectively explains the various states of the third figure, please refer to the third figure. = 22nd (/le) state, at this time, if another call comes in, mr^. A^L-STATUS-R 1 NG message, and enters the processing phone 钤 i state. In addition, if you are in the idle state, you need to power

22,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, )status. The idle state of the third figure also occupies the initial state of the interface module 2〇1.

Page 7 1273490 Case No. 94142499. Faint. Continuation V. Invention Description (4) When the VoIP phone system automatically answers the call in the third picture, or is manually answered by the user. Then, at this time, the DISP_ACCEPT message is sent to the protocol module 2 0 3, and after the CALL-STATUS_ANSWERED message is received, the user enters an attempt to establish a connected state. Furthermore, in the processing of the telephone ringing (R ing ) state in the third figure, when the VoIP system automatically rejects the incoming call or the ring timeout, then a DISP-REJECT message is sent to the communication protocol. Module 2 03, and enters the idle (I d 1 e ) state after waiting to receive the CALL_STATUS_IDEL message. Furthermore, in the processing of the telephone ringing (Ring) state in the third figure, since the user refuses to answer, at this time, the DISP_TERMINATE message is sent to the protocol module 2〇3, and the CALL_STATUS is waited for. After the IDLE message enters the idle (I d 1 e ) state in the waiting state of the third picture, when the CALL_STATUS_CONNECTED message is received, the DISP_OPEN_CHANNEL message is sent to the protocol module 203, and Waiting for the CALL_STATUS_CHANNEL_OPENED message to enter the communication state. Furthermore, when the connection is in the R i n g b a c k state in the third figure, when the connection failure occurs, after the CALL_STATUS_I DEL message is received, the idle state is returned. Furthermore, in the ringing state of the waiting picture (Ring back) in the third figure, when the ringing timeout (time 〇ut) occurs, the DISP_TERMINATE message is sent, and after waiting for the CALL__STATUS_IDLE message to be received, it enters the idle state. (idle) status. When you try to establish a connected state in the third diagram, when connecting

Page 8 1273490 Case No. 941424卯8 Repair (4 positive replacement month j correction Bay 5, invention description (5) After successful, you will receive the CALL_STATUS_CONNECTED message, you will know that the connection has been established, and then send DI The SP_OPEN_CHANNEL message informs the communication protocol module 2 〇3, and asks the communication protocol module 20 to prepare to open the necessary connection resource 'When waiting for the CALL_STATUS-CHANNEL-OPENED message to be received', then enters the call (C 〇mmunicati ο η) state. Furthermore, when attempting to establish a connection state in the second diagram, when a connection failure occurs, after receiving the CALL_STATUS_IDLE message, it returns to the idle (I d 1 e ) state. In the communication state of the third figure, if a user disconnection occurs, a DISP-TERMINATE message is sent to the communication protocol module 2 0 3, and after waiting for the CALL_STATUS_IDLE message to be received' Then return to the idle (I d 1 e ) state. In addition, in the communication state of the third figure, if the disconnection of the other party occurs, the CALL_STATUS_IDLE is received. Return to the idle state. The fourth figure shows the state transition diagram of the state machine of the communication protocol module of the present invention. Now, the states of the fourth figure are respectively explained, see the fourth figure. Idle idle (I d 1 e In the state, when a connection request from another telephone occurs, CALL_STATU-R ING is sent to the operation interface module 2〇1, and the response message to the waiting interface module is entered (ψa丨t丨ng GU I MSG) state. Furthermore, in the interim (uie) state of the fourth figure, when a connection to another phone occurs, after receiving the CMD_DIAL information of the operation interface module 2 〇 1, try and other The phone establishes a connection and sends a CALL_STATUS_RINGBACK message to the operation interface module 2 〇1, then enters the § test to establish the connection state. The idle state of the fourth picture is also the communication protocol module 2 0 3 Initial state. u

X': 1273490 __ case number 94142499 • V. Description of invention (6)

When the replacement I is in the Waiting GU I MSG state in the fourth diagram, when the connection request is received, it will be received - the operation interface module The DISP_ACCEPT message of group 201 is then ready to establish a connection, and after sending a CALL_STATUS_ANSWERED message, it proceeds to an attempt to establish a connection state. Furthermore, the wait operation interface module response message in the fourth picture (Waiting GUI) In the MSG) state, when the connection rejection request occurs, the DISP_REJECT or DISP_TERMINATE message of the operation interface module 201 is received, and then the connection is closed. After the operation is completed, the CALL_STATUS_IDLE message is sent, and the message is returned. To the idle state (Idle). When attempting to establish the connection state in the fourth diagram, when the connection is successful, the CALL_STATUS_CONNECTED message is sent, and after receiving the DISP_0PEN-CAHNNEL response message, the necessary connection is opened. Line resource, then, after sending out the CALL_STATUS_CHANNEL-OPENED message , then enters the state of Data Transmission. In addition, when the attempt to establish a connection (C ο η necting) state in the fourth diagram, when the connection fails, if the user is interrupted, Then, after receiving the DISP_TERMINATE message, the connection is closed. After the action is completed, the CALL_STATUS_IDLE message is sent back to the idle (I d 1 e ) state. Furthermore, the attempt to establish the connection in the fourth diagram is _ ( In the case of C ο η necting ), when a connection failure occurs, if the other party is interrupted, CALL_STATUS_IDEL is sent, and the idle (I d 1 e ) state is returned. In the data transmission of the fourth figure ( Data transmission status

Page 10 1273490 a ♦ _ _ case number 94142499 year Vg ... 倐 ' '• 5, invention description (7), when the user disconnected, after receiving the DISP_TERMINATE message, close the connection , the action is completed • After 're-deliver CALL_STATUS-IDLE, and return to the idle (idie) state. In addition, in the data transmission state (Data • transmission) state in the fourth figure, when the other party disconnects, it will send out 18 1^一8丁八丁1^一101^' and return to idle (1) (11〇 state. 曰The fifth figure shows an example of the operation of the state machine crying of the communication program module architecture of the present invention. In the fifth figure, the H3 2 3 communication protocol is adopted as the application protocol module 2 0 3 The embodiment of the implementation is described. At the same time, the message Queue is used as the internal communication mechanism between the operation interface module (GUI) and the communication protocol module 2 0 3 2 〇 5 (IPC-Inter-Process Communication Mechanism) implementation 4 4. The main function of the message column is to store the interface from the operation interface module (GU I) 20 and the communication protocol module 2 〇 3 The message, at the same time, the message store 2 0 5 can also be accessed by the operation interface module (G u丨) 2 〇丨 and the communication protocol module 203. The network phone communication situation in the fifth figure It is the case that the call was made by another phone, and the receiver is set to manual. Listen, then, the two parties make a call, and finally the user (receiver) is disconnected. The fifth figure represents a practical case using the present invention, the box in the figure represents the user at a certain point in time, the operation interface mode The event or processing action of the group 2 〇i or the communication protocol module 0. The above 1PC 205 is used as the communication interface between the operation interface module 201 and the communication protocol module 203, the above two When the state machine wants to communicate, it will send the message to I PC 2 0 5. As for 丨Pc 2 0 5

Page 11 Case No. 94U24叩1273490 V. Invention Description (8) The information is sent to different modules 201, 2 0 3, which is a problem of the implementation, for example, using message queue (messagequeue), Pipes (pi pe ), etc., the present invention does not particularly emphasize the practice of i pc 205. After the module 201, 205 sends the message to the IPC 205, whether the message is actively sent by the ipc 205 is also a problem of the implementation of the I p C 2 0 5 . Of course, it is also possible that the two modules are 2 0 1 . 2 0 3 Take the initiative to guess and grab new messages, and all of them will look at the implementation. The message that causes the state transition of the two state machines must come from another state machine (that is, the role of the I PC mechanism). When the state machine itself performs state transition, it does not send a message to itself and cause itself. The status of the state machine conversion, the message is sent to another state machine. The specific implementation means of the internal communication mechanism of the above program can also be replaced by means such as Semaphore and Shared Memory. When the external network phone comes in, the operation interface module 2 〇 1 will be in the idle state, and will receive the message of CALL_STATUS_RING and then enter the processing phone ringing (r i ng ) state. When the user answers the call, the operation interface module 201 receives the CALL_STATUS^ANSWERED message and enters the connect i ng state. When the CALL_STATUS_CHANNEL_OPENED message is received in the attempted connection state, it will enter the state of the call (c 〇 m m u n i c a t i 〇 η). When the user hangs up after the call is over, they will receive the CALL_STATUS_IDLE message and enter the idle (i d 1 e) state. When the user wants to make a network call to other people's Internet phone, the operation interface module 2 〇 1 will be received in the idle (i d 1 e ) state.

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1273490 _ Case number 94142499 • V. Invention description (9) After the CALL_STATUS_RINGBACK message, the person enters to wait for the ring back status. When the other party answers the call, the operation interface module "201 will receive the CALL_STATUS_CHANNEL_OPENED message and enter the call (c 〇mmunicati ο η) state. The operation interface module included in the communication program module 20 of the present invention The group 2 〇丄 and the communication protocol modules 203 can be implemented as an Impl'ement mobile device or the interface module included in the communication program module 2 of the present invention. 2 0 1 and the communication protocol modules 2 〇 3 can be used to implement an Application Program. The advantages of the present invention are as follows: • Operation interface module and communication protocol module Independent of two processing procedures, can achieve the advantages of modular system development. 2 · Complex communication between the operation interface module and the communication protocol module, and the interaction between two independent state machines can simplify the network. Phone system, two development difficulty. Charge 3 · Dynamically replace one module without affecting another module, thereby gaining the benefits of items (A) and (B) below: (A) · Different The operation interface σ, group 'only needs to be the state machine of the corresponding operation interface, and can communicate with the original communication protocol module; (Β)·Different communication protocol modules, ports

The state machine that needs to be the corresponding communication module can communicate with the original interface module. Although the preferred embodiment of the present invention has been disclosed above, it is not intended to limit the invention, and any one skilled in the art can make some changes and retouching, and make changes and retouchings without departing from the spirit of the present invention. It is still within the scope of the patent application attached to the present invention. ;

1273490 case number is missing

3 Correction Simple description of the diagram The first figure shows the architecture of the conventional communication program module architecture for VoIP systems. The second figure shows an improved architectural diagram of the communication program module architecture for the VoIP system of the present invention. The third figure shows a state transition diagram of the state machine of the operating interface module of the present invention. The fourth figure shows a state transition diagram of the state machine of the communication protocol module of the present invention. The fifth figure shows an example of the operation of the state machine of the communication program module architecture of the present invention. Main component number 10 Communication program 10 1 Communication protocol module 103 Operation interface module 20 Communication program module 201 Operation interface module 2 0 3 Communication protocol module 2 0 5 Program internal communication mechanism (Inter-Process

Communication Mechanism)

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Claims (1)

1273490 Case No. 94142499 IL Year Month Day Correction VI. Patent Application Area 1. A communication program module architecture for a network telephone system, comprising: one or more communication protocol modules, and each communication protocol module Corresponding to different communication protocols; and an operation interface module, as a human-machine interface, and for interacting with the communication protocol modules; the communication protocol module includes a first a state machine, wherein the communication protocol module operates according to the first state machine; the operation interface module includes a second state machine, and the operation interface module operates according to the second state machine; and the communication The protocol module and the operation interface module communicate via an Inter-Process Communication Mechanism, and the first state machine and the second state machine are independent state machines. 2. The communication program module architecture of claim 1, wherein the state of the first state machine comprises: idle, waiting for an operation interface module response message, attempting to establish a connection, and data transmission. 3. The communication program module architecture according to claim 1, wherein the state of the second state machine comprises: idle, processing a telephone call, waiting for the other party to answer, attempting to establish a connection, and in a call. 4. The communication program module architecture of claim 1, wherein the communication protocol is one of a communication protocol, a SIP communication protocol, and another communication protocol. 5) The communication program module architecture described in claim 1 wherein the communication protocol modules and the operation interface module are configured Page 15 1273490 j , positive replacement, ί j Case number 94142499 Ln Winter --- one ^ one by one "% positive _ _ six, the scope of application for patent (Implement) - Weierware (Firmware) 〇 6. If applied The communication program module architecture described in the first aspect of the patent, wherein - the communication protocol module and the operation interface module are implemented - Application Program 〇-7. The communication program module architecture described in the first item, wherein the internal communication mechanism of the program is a message queue, a Semaphore, a shared memory, and a pipeline ( One of the Pipes. 8. The communication program module architecture of claim 7, wherein the message storage is used to store at least one message. _ (L is the communication program module architecture described in claim 8 of the patent application, wherein the message is sent by the communication protocol module. 10. The communication program module as described in claim 8 The architecture, wherein the message is sent by the operation interface module. 1 1. The communication program module architecture described in claim 7 wherein the message is stored by the communication protocol module. 1. The communication program module architecture described in claim 7, wherein the message storage can be accessed by the operation interface module (A ccess ). Page 16 1273490 r Case No. 94142499 f: 'Six, the representative representative figure (1), the representative figure of the case is: the second figure β (two), the representative figure of the case representative symbol simple description 2 0 communication program module 2 0 1 Operation interface module 2 0 3 Communication protocol module 2 0 5 Program internal communication mechanism Φ Page 3