CN110650136A - SIP PBX implementation method and system deployed at android platform end - Google Patents
SIP PBX implementation method and system deployed at android platform end Download PDFInfo
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- CN110650136A CN110650136A CN201910898109.4A CN201910898109A CN110650136A CN 110650136 A CN110650136 A CN 110650136A CN 201910898109 A CN201910898109 A CN 201910898109A CN 110650136 A CN110650136 A CN 110650136A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1053—IP private branch exchange [PBX] functionality entities or arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1059—End-user terminal functionalities specially adapted for real-time communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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Abstract
The invention provides an SIP PBX implementation method deployed at an android platform end, which comprises the steps of taking FreeWITCH as an independent linux process to run in an android system, and implementing an SIP protocol stack through the FreeWITCH; the SIP PBX management application is used as an apk to run in an application layer of an android system, and the SIP PBX management application is enabled to carry out communication interaction with the FreeWITCH; providing a control entry and a status display interface of the Freeswitch for a user through the SIP PBX management application. The invention also provides a system corresponding to the method. The invention has the advantages that: compared with the existing SIP PBX implementation scheme, the method not only can greatly reduce the budget of network deployment, but also is very convenient to carry and use, and can fully utilize the expandability of the Android system to perform function expansion.
Description
Technical Field
The invention relates to the field of SIP (session initiation protocol) communication, in particular to a method and a system for realizing an SIP PBX (session initiation protocol) deployed at an android platform end.
Background
When an IP communication network based on SIP call is deployed, an SIP PBX is indispensable, and a plurality of SIP communication terminals and an apparatus equipped with the SIP PBX are generally required. Currently, SIP PBX products available on the market can be divided into two major types, one of which is in pure software form, providing Windows or Linux based installation programs for users; another is to integrate SIP PBX functionality into one chassis device.
However, for a pure software form of SIP PBX product, when a communication system is built, since a device based on Windows or Linux needs to be specially prepared to install SIP PBX software, convenience is often very poor, and the SIP PBX product is not suitable for being used as an SIP call terminal in many occasions; while increasing the budget of the communication network deployment. For an SIP PBX product integrating the SIP PBX function into one case device, when a communication system is built, one case device integrating the SIP PBX function needs to be specially purchased, and although the product is relatively good in convenience, a user needs to log in Web for configuration management by means of other devices, so that not only is the configuration management not convenient enough; moreover, the chassis devices often have single functions, cannot be expanded in functions, and can only be used as an SIP PBX, so that a user must purchase two devices, namely an SIP call terminal and the SIP PBX, to use the devices, which also increases the budget for communication network deployment.
With the continuous development of science and technology, the Android communication terminal becomes an indispensable communication tool in daily life of people nowadays. However, at present, when a communication network of an Android SIP communication terminal is deployed, an additional SIP PBX product needs to be purchased, because an SIP PBX implementation scheme deployed on the Android communication terminal is not available at present.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method and a system for realizing an SIP PBX deployed at an Android platform end, wherein the Android device is used for realizing the SIP PBX function, so that the problem that an SIP PBX product needs to be additionally purchased when a communication network of an Android SIP communication terminal is deployed in the prior art is solved.
The invention is realized by the following steps: a SIP PBX implementation method deployed at an android platform side, the method comprising:
the FreeWITCH is used as an independent linux process to run in an android system, and an SIP protocol stack is realized through the FreeWITCH;
the SIP PBX management application is used as an apk to run in an application layer of an android system, and the SIP PBX management application is enabled to carry out communication interaction with the FreeWITCH;
providing a control entry and a status display interface of the Freeswitch for a user through the SIP PBX management application.
Further, the implementation of the SIP protocol stack by the FreeSWITCH specifically includes:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling the execution of commands in mod _ command;
the FreeSFITCH implements the SIP protocol stack by mod _ sofia;
the FreeWITCH stores various files in the form of xml configuration files.
Further, the SIP PBX management application and the FreeWITCH are communicated and interacted through a socket interface and/or a File interface.
Further, the providing, by the SIP PBX management application, a control entry and a status display interface of the FreeSWITCH for the user specifically includes:
the SIP PBX management application realizes the control of the running state of the FreeWITCH by running the execution file of the FreeWITCH;
the SIP PBX management application interacts with the FreeWITCH through a socket interface and realizes the call control of the FreeWITCH;
the SIP PBX management application realizes the configuration of the FreeWITCH through a configuration file and a socket interface;
the SIP PBX management application implements management of SIP users on the FreeWITCH through user files and socket interfaces.
The invention is realized by the following steps: a SIP PBX implementation system deployed at an android platform end comprises a protocol stack implementation module, an operation interaction module and a management application module;
the protocol stack implementation module is used for operating the FreeS WITCH as an independent linux process in the android system and implementing the SIP protocol stack through the FreeS WITCH;
the operation interaction module is used for operating the SIP PBX management application as an apk in an application layer of an android system and enabling the SIP PBX management application to be in communication interaction with the FreeWITCH;
and the management application module is used for providing a control entrance and a state display interface of the Freeswitch for a user through the SIP PBX management application.
Further, the implementation of the SIP protocol stack by the FreeSWITCH specifically includes:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling the execution of commands in mod _ command;
the FreeSFITCH implements the SIP protocol stack by mod _ sofia;
the FreeWITCH stores various files in the form of xml configuration files.
Further, the SIP PBX management application and the FreeWITCH are communicated and interacted through a socket interface and/or a File interface.
Further, the management application module specifically comprises a starting control unit, a call control unit, a setting unit and a user management unit;
the starting control unit is used for controlling the running state of the FreeWITCH by the SIP PBX management application through running an execution file of the FreeWITCH;
the call control unit is used for the SIP PBX management application to interact with the FreeWITCH through a socket interface and realize call control on the FreeWITCH;
the setting unit is used for the SIP PBX management application to realize the configuration of the FreeWITCH through a configuration file and a socket interface;
and the user management unit is used for managing the SIP user on the FreeWITCH by the SIP PBX management application through a user file and a socket interface.
The invention has the following advantages: on the basis of an Android system, the method successfully realizes the transplantation and deployment of FreeWITCH on an Android platform, and realizes the functions of starting control, call control, user management and the like of one management APK for the FreeWITCH, so that Android equipment becomes an sip PBX server; therefore, when a user deploys a communication network by using an Android communication terminal, the Android device can become a sip PBX server only by pre-installing the FreeS SWITCH and the management APK on the Android device; therefore, compared with the existing SIP PBX implementation scheme, the technical scheme of the invention not only can greatly reduce the budget of network deployment, but also is very convenient to carry and use, and can fully utilize the expandability of the Android system to carry out function expansion.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a structural diagram of an SIP PBX in an Android system framework according to the present invention.
Figure 2 is a functional block diagram of a SIP PBX of the present invention.
Fig. 3 is an execution flow chart of an SIP PBX implementation method deployed on an android platform side according to the present invention.
Fig. 4 is a schematic block diagram of an SIP PBX implementation system deployed on the android platform side according to the present invention.
Detailed Description
Referring to fig. 1 to 4, before describing the technical solution of the present invention, a preferred embodiment of a SIP PBX implementation method deployed at an Android platform end of the present invention is introduced, as shown in fig. 1, a Framework of an Android system may be divided into four major hierarchical structures, i.e., a system kernel layer (Linux kernel), a class library layer (consisting of Libraries and ART), an Application Framework layer (Application Framework) and an Application layer (Applications).
The main inventive concept of the invention is as follows: based on the existing FreeWITCH, the Android platform is transplanted and optimized, and the SIP call control and user management module taking the FreeWITCH as a base is installed in the Android system, so that the stability of the function of the basic SIP PBX is ensured; meanwhile, the Android apk is adopted for management, so that a user can conveniently perform operation configuration, state viewing, call control and user management in an apk interface; by using the technical scheme of the invention, the Android equipment can be used as an SIP PBX server, and can also be used as an SIP communication terminal by installing an SIP client application.
Among them, Freeswitch is a soft switching solution for a telephone, including a soft phone and soft switch to provide product drivers for voice and chat; FreeWITCH can be used as a switch engine, PBX, multimedia gateway, multimedia server, etc.; FreeWITCH can support a variety of communication technology standards, including SIP, H.323, IAX2 and GoogleTalk, and can be conveniently interfaced with other open-source PBX systems, such as sipX, OpenPBX, Bayone, YATE or Asterisk; FreeSFITC supports many advanced SIP features, such as presence/BLF/SLA, TCP TLS, and sRTP, which can also be used as a transparent proxy similar to SBC (Session Border controller).
The present invention is described in detail below by way of specific implementations:
the method comprises the following steps:
the FreeS WITCH is used as an independent linux process to run in an android system, and an SIP protocol stack is realized through the FreeS WITCH and is used for providing a core SIP routing function; that is, the FreeWITCH, as an independent linux process, needs library Libraries that depend on the android system, so that the FreeWITCH is run in the android system and depends on the library Libraries to realize the SIP protocol stack;
the SIP PBX management application is used as an apk to run in an application layer of an android system (namely, the SIP PBX management application is installed in the android system in the form of the apk), and the SIP PBX management application is communicated and interacted with the FreeWITCH;
providing a control entry and a status display interface of the Freeswitch for a user through the SIP PBX management application; during specific implementation, the SIP PBX management application can display various states of the FreeWITCH to a user through rich display and input/output interfaces of the android system, so that the user can visually check various call states, user registration states and the like, and meanwhile, a setting interface can be provided for opening or closing the FreeWITCH, realizing a user-defined dialing plan and the like.
In the present invention, the implementation of the SIP protocol stack by the FreeSWITCH specifically includes:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling and executing commands in mod _ command, such as subscribing to a call event, establishing a call, hanging up a call, executing a dialing plan, and the like; that is, mod _ esl and mod _ command in the FreeWITCH can together provide a way to control the FreeWITCH externally through a socket interface;
the FreeSFItch implements a SIP protocol stack through mod _ sofia, for example, providing SIP registration, call, routing, etc;
the FreeWITCH stores various files in the form of xml profiles, that is, user information, dialing plans, etc. need to be stored in the form of xml profiles for the SIP PBX management application to obtain.
In the invention, the SIP PBX management application and the FreeS WITCH carry out communication interaction through a socket interface and/or a File interface, and particularly, the socket interface and/or the File interface can be provided through mod _ esl, mod _ command, mod _ sofia and xml configuration files of the FreeS WITCH, so that the communication interaction with the SIP PBX management application is realized.
In the present invention, the providing, by the SIP PBX management application, the FreeSWITCH control entry and the state display interface for the user specifically include:
the SIP PBX management application realizes the control of the running state of the FreeWITCH by running the execution file of the FreeWITCH; in specific implementation, the SIP PBX management application can detect the running state of the FreeWITCH in real time so as to ensure that the FreeWITCH runs normally in the background;
the SIP PBX management application interacts with the FreeWITCH through a socket interface, realizes call control on the FreeWITCH, and acquires a call state, establishes a call, hangs up a call and the like;
the SIP PBX management application realizes the configuration of the FreeWITCH through a configuration file and a socket interface, such as setting media penetration, setting starting self-starting, creating a dialing plan of a user and the like;
the SIP PBX management application realizes the management of the SIP users on the FreeWITCH through user files and a socket interface, such as user information modification, user adding, user deleting and the like.
When the technical scheme is used specifically, the technical scheme can be operated on equipment which is based on an android system and has a network function, the software in the technical scheme can be installed in a pre-installation or Root mode, and after the software is installed successfully and the SIP PBX management application is started, other SIP communication terminals can use the software as an SIP PBX server.
In addition, the technical scheme of the invention installs the SIP PBX in the Android equipment and manages the Android equipment in an Android application mode, so that the Android equipment becomes an SIP PBX server, and therefore, the technical scheme of the invention can also inherit the following advantages of the Android:
the Android system is open, has a plurality of users and software resources, and can expand the function of Android equipment by installing software;
portability, Android equipment is usually small in size and convenient to carry, and a small SIP communication network can be very conveniently deployed;
rich hardware selection, Android equipment in the market at present are various, and various Android equipment can become an SIP PBX server only by installing the set of SIP PBX software provided by the user on the Android equipment;
the configuration management is centralized in one apk, the management is particularly convenient, and the user can carry out the configuration management only by opening a special apk;
at present, Android SIP communication terminals are common, but an SIP PBX scheme deployed on Android is not available, and the Android equipment can be used as an SIP communication terminal and also used as an SIP PBX server through the technical scheme of the invention.
Please refer to fig. 1, fig. 2 and fig. 4 with emphasis, and corresponding to the method, the present invention further provides an SIP PBX implementation system deployed at an android platform end, where the system includes a protocol stack implementation module, an interaction operation module and a management application module;
the protocol stack implementation module is used for operating the FreeS WITCH as an independent linux process in the android system, implementing the SIP protocol stack through the FreeS WITCH and providing a core SIP routing function; that is, the FreeWITCH, as an independent linux process, needs library Libraries that depend on the android system, so that the FreeWITCH is run in the android system and depends on the library Libraries to realize the SIP protocol stack;
the operation interaction module is used for operating the SIP PBX management application as an apk in an application layer of the android system (namely, installing the SIP PBX management application into the android system in the form of the apk) and enabling the SIP PBX management application to perform communication interaction with the FreeWITCH;
the management application module is used for providing a control entrance and a state display interface of the Freeswitch for a user through the SIP PBX management application; during specific implementation, the SIP PBX management application can display various states of the FreeWITCH to a user through rich display and input/output interfaces of the android system, so that the user can visually check various call states, user registration states and the like, and meanwhile, a setting interface can be provided for opening or closing the FreeWITCH, realizing a user-defined dialing plan and the like.
In the present invention, the implementation of the SIP protocol stack by the FreeSWITCH specifically includes:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling and executing commands in mod _ command, such as subscribing to a call event, establishing a call, hanging up a call, executing a dialing plan, and the like; that is, mod _ esl and mod _ command in the FreeWITCH can together provide a way to control the FreeWITCH externally through a socket interface;
the FreeSFItch implements a SIP protocol stack through mod _ sofia, for example, providing SIP registration, call, routing, etc;
the FreeWITCH stores various files in the form of xml profiles, that is, user information, dialing plans, etc. need to be stored in the form of xml profiles for the SIP PBX management application to obtain.
In the invention, the SIP PBX management application and the FreeS WITCH carry out communication interaction through a socket interface and/or a File interface, and particularly, the socket interface and/or the File interface can be provided through mod _ esl, mod _ command, mod _ sofia and xml configuration files of the FreeS WITCH, so that the communication interaction with the SIP PBX management application is realized.
In the invention, the management application module specifically comprises a starting control unit, a call control unit, a setting unit and a user management unit;
the starting control unit is used for controlling the running state of the FreeWITCH by the SIP PBX management application through running an execution file of the FreeWITCH; in specific implementation, the SIP PBX management application can detect the running state of the FreeWITCH in real time so as to ensure that the FreeWITCH runs normally in the background;
the call control unit is used for the SIP PBX management application to interact with the FreeWITCH through a socket interface, and realize call control on the FreeWITCH, such as obtaining a call state, establishing a call, hanging up a call and the like;
the setting unit is used for the SIP PBX management application to realize the configuration of the FreeWITCH through a configuration file and a socket interface, such as setting media penetration, setting startup self-starting, creating a dialing plan of a user and the like;
and the user management unit is used for managing the SIP user on the FreeWITCH by the SIP PBX management application through a user file and a socket interface, such as modifying user information, adding a new user, deleting the user and the like.
When the technical scheme is used specifically, the technical scheme can be operated on equipment which is based on an android system and has a network function, the software in the technical scheme can be installed in a pre-installation or Root mode, and after the software is installed successfully and the SIP PBX management application is started, other SIP communication terminals can use the software as an SIP PBX server.
In addition, the technical scheme of the invention installs the SIP PBX in the Android equipment and manages the Android equipment in an Android application mode, so that the Android equipment becomes an SIP PBX server, and therefore, the technical scheme of the invention can also inherit the following advantages of the Android:
the Android device is open, has a plurality of users and software resources, and can be used for expanding the function of the Android device by installing software;
the Android equipment is small in size and convenient to carry, and a small SIP communication network can be conveniently deployed;
rich hardware selection, Android equipment on the market at present are various, and various Android equipment can become an SIP PBX server only by installing the set of SIP PBX software provided by the user on the Android equipment;
ninthly, configuration management is concentrated in one apk, the management is particularly convenient, and a user can perform configuration management only by opening a special apk;
at present, Android SIP communication terminals are common, but an SIP PBX scheme deployed on Android is not available, and Android equipment can be used as an SIP communication terminal and an SIP PBX server at the same time through the technical scheme of the invention.
In summary, the invention has the following advantages: on the basis of an Android system, the method successfully realizes the transplantation and deployment of FreeWITCH on an Android platform, and realizes the functions of starting control, call control, user management and the like of one management APK for the FreeWITCH, so that Android equipment becomes an sip PBX server; therefore, when a user deploys a communication network by using an Android communication terminal, the Android device can become a sip PBX server only by pre-installing the FreeS SWITCH and the management APK on the Android device; therefore, compared with the existing SIP PBX implementation scheme, the technical scheme of the invention not only can greatly reduce the budget of network deployment, but also is very convenient to carry and use, and can fully utilize the expandability of the Android system to carry out function expansion.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (8)
1. A SIP PBX implementation method deployed at an android platform end is characterized in that: the method comprises the following steps:
the FreeWITCH is used as an independent linux process to run in an android system, and an SIP protocol stack is realized through the FreeWITCH;
the SIP PBX management application is used as an apk to run in an application layer of an android system, and the SIP PBX management application is enabled to carry out communication interaction with the FreeWITCH;
providing a control entry and a status display interface of the Freeswitch for a user through the SIP PBX management application.
2. The method for implementing the SIP PBX deployed at the android platform end according to claim 1, wherein the method comprises the following steps: the implementation of the SIP protocol stack by the FreeWITCH specifically comprises the following steps:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling the execution of commands in mod _ command;
the FreeSFITCH implements the SIP protocol stack by mod _ sofia;
the FreeWITCH stores various files in the form of xml configuration files.
3. The method for implementing the SIP PBX deployed at the android platform end according to claim 1, wherein the method comprises the following steps: and the SIP PBX management application and the FreeWITCH carry out communication interaction through a socket interface and/or a File interface.
4. The method for implementing the SIP PBX deployed at the android platform end according to claim 3, wherein the method comprises the following steps: the providing of the FreeSWITCH control entry and the state display interface for the user through the SIP PBX management application specifically includes:
the SIP PBX management application realizes the control of the running state of the FreeWITCH by running the execution file of the FreeWITCH;
the SIP PBX management application interacts with the FreeWITCH through a socket interface and realizes the call control of the FreeWITCH;
the SIP PBX management application realizes the configuration of the FreeWITCH through a configuration file and a socket interface;
the SIP PBX management application implements management of SIP users on the FreeWITCH through user files and socket interfaces.
5. A SIP PBX implementation system deployed at an android platform end is characterized in that: the system comprises a protocol stack realization module, an operation interaction module and a management application module;
the protocol stack implementation module is used for operating the FreeS WITCH as an independent linux process in the android system and implementing the SIP protocol stack through the FreeS WITCH;
the operation interaction module is used for operating the SIP PBX management application as an apk in an application layer of an android system and enabling the SIP PBX management application to be in communication interaction with the FreeWITCH;
and the management application module is used for providing a control entrance and a state display interface of the Freeswitch for a user through the SIP PBX management application.
6. The SIP PBX implementation system deployed on the android platform side of claim 5, wherein: the implementation of the SIP protocol stack by the FreeWITCH specifically comprises the following steps:
the mod _ esl of the FreeWITCH controls the FreeWITCH by externally providing a socket interface, including controlling the execution of commands in mod _ command;
the FreeSFITCH implements the SIP protocol stack by mod _ sofia;
the FreeWITCH stores various files in the form of xml configuration files.
7. The SIP PBX implementation system deployed on the android platform side of claim 5, wherein: and the SIP PBX management application and the FreeWITCH carry out communication interaction through a socket interface and/or a File interface.
8. The SIP PBX implementation system deployed on the android platform side of claim 7, wherein: the management application module specifically comprises a starting control unit, a call control unit, a setting unit and a user management unit;
the starting control unit is used for controlling the running state of the FreeWITCH by the SIP PBX management application through running an execution file of the FreeWITCH;
the call control unit is used for the SIP PBX management application to interact with the FreeWITCH through a socket interface and realize call control on the FreeWITCH;
the setting unit is used for the SIP PBX management application to realize the configuration of the FreeWITCH through a configuration file and a socket interface;
and the user management unit is used for managing the SIP user on the FreeWITCH by the SIP PBX management application through a user file and a socket interface.
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