CN1937687B - A parameter transmission method for automatic configuration and maintenance of videophone terminals - Google Patents
A parameter transmission method for automatic configuration and maintenance of videophone terminalsDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及通信领域，特别是涉及一种可视电话终端自动配置和维护的参数传输方法。 The invention relates to the communication field, in particular to a parameter transmission method for automatic configuration and maintenance of a videophone terminal. the
背景技术Background technique
随着网络的发展，可视电话逐渐开始普及，典型的可视电话组网方式如图1所示。 With the development of the network, videophones gradually become popular. A typical videophone network is shown in Figure 1. the
一般可视电话终端兼容普通电话的功能，都会同时具有网际协议(InternetProtocol，IP)接口和基于公共交换电话网络(Public Switched TelephoneNetwork，PSTN)的电话接口，其中，电话接口包括固定电话接口和无线接入接口。 Generally, videophone terminals are compatible with the functions of ordinary telephones, and all have Internet Protocol (Internet Protocol, IP) interfaces and telephone interfaces based on Public Switched Telephone Network (Public Switched Telephone Network, PSTN). Incoming interface. the
可视电话业务系统，表示用户在使用可视电话终端时，为保证可视电话终端能正常运行的业务系统，比如：由某个运营商在开展业务时提供的一个业务平台，能提供终端注册、多点会议、放号、计费等功能。 The videophone service system refers to the service system for ensuring the normal operation of the videophone terminal when the user uses the videophone terminal, for example: a service platform provided by a certain operator when conducting business, which can provide , multi-point conference, number allocation, billing and other functions. the
IP接入网，表示用户在使用可视电话终端前，需要接入到业务系统的最初网络，如小区宽带、非对称数字用户环线(Asymmetrical Digital SubscriberLoop，ADSL)等接入方式。 IP access network means that users need to access the initial network of the service system before using videophone terminals, such as residential broadband, asymmetrical digital subscriber loop (Asymmetrical Digital Subscriber Loop, ADSL) and other access methods. the
如图1，要保证可视电话终端正常运行，则必须要对可视电话终端进行IP接入网络的参数传输，如IP地址、域名服务器(Domain Name Server，DNS)以及可视电话通信业务的参数传输，如H.323网络中的网守(Gatekeeper，GK)地址等。但在实际的应用中，不同地点的IP接入网络往往各不相同，不同地点不同运营商建设的视讯业务也各自不同，所以这就要求可视电话终端的接入参数和业务参数能够简单而方便的进行配置。同样的，对于终端的维护操作时设置参数，也要求能够随着不同的网络和不同的运营商而方便地进行。 As shown in Figure 1, to ensure the normal operation of the videophone terminal, it is necessary to transmit the parameters of the IP access network to the videophone terminal, such as IP address, domain name server (Domain Name Server, DNS) and videophone communication service Parameter transmission, such as the address of the gatekeeper (Gatekeeper, GK) in the H.323 network. However, in practical applications, the IP access networks in different locations are often different, and the video services built by different operators in different locations are also different. Therefore, it is required that the access parameters and service parameters of videophone terminals can be simple and accurate. Easy to configure. Similarly, setting parameters during terminal maintenance operations also requires that it can be conveniently performed with different networks and different operators. the
如图2所示，现有的可视电话终端配置和维护时参数传输过程： As shown in Figure 2, the existing videophone terminal configuration and maintenance parameter transmission process:
1、首先，用户接入IP接入网，连接到IP骨干网，通过IP骨干网连接到配置维护服务器，输入配置维护服务器的信息，如IP地址或者域名，用户帐号及密码； 1. First, the user accesses the IP access network, connects to the IP backbone network, connects to the configuration maintenance server through the IP backbone network, and enters the information of the configuration maintenance server, such as IP address or domain name, user account number and password;
2、可视电话终端连接配置维护服务器，获取配置维护参数，并进行配置； 2. The videophone terminal connects to the configuration maintenance server, obtains configuration maintenance parameters, and configures them;
3、然后再根据配置的结果其它服务器进行联系，以及进行后续的终端维护等其它操作。 3. Then contact other servers according to the configuration results, and perform other operations such as subsequent terminal maintenance. the
一般地，配置维护服务器和维护服务器也可能处于两台服务器，此时，可视电话终端一般先连接到配置维护服务器，在完成自动配置后，再与维护服务器建立联系，进行相关的终端维护操作。 Generally, the configuration maintenance server and the maintenance server may also be in two servers. At this time, the videophone terminal generally connects to the configuration maintenance server first, and then establishes contact with the maintenance server after completing automatic configuration to perform related terminal maintenance operations. . the
现有的参数传输方法的缺陷在于：在获取配置维护参数前，必须要完成IP网络接入过程，比如当采用ADSL接入时，必须要先完成ADSL的接入配置，而ADSL等IP网络接入配置较为复杂，不能方便普通用户的使用。而获取配置或者维护操作时，还要知道配置维护服务器的地址。 The defect of the existing parameter transmission method is that: before obtaining the configuration maintenance parameters, the IP network access process must be completed. For example, when using ADSL access, the ADSL access configuration must be completed first, and IP network access such as ADSL The input configuration is relatively complicated, and it is not convenient for ordinary users to use. When obtaining configuration or maintenance operations, you also need to know the address of the configuration maintenance server. the
发明内容Contents of the invention
本发明的目的在于克服上述缺陷而提供的一种可视电话的自动配置维护的参数传输方法，采用这种方法，可以简单方便而迅速地对终端的配置维护接入参数和业务参数进行传输。 The purpose of the present invention is to overcome the above defects and provide a parameter transmission method for automatic configuration and maintenance of videophones. By using this method, the configuration and maintenance access parameters and service parameters of the terminal can be transmitted simply, conveniently and quickly. the
为实现本发明目的而提供的一种可视电话终端自动配置和维护的参数传输方法，包括下列步骤： A parameter transmission method for automatic configuration and maintenance of a videophone terminal provided for realizing the purpose of the present invention comprises the following steps:
A)可视电话终端通过PSTN与配置维护服务器建立呼叫； A) The videophone terminal establishes a call with the configuration maintenance server through the PSTN;
B)可视电话终端与配置维护服务器使用呼叫建立的连接进行配置维护参数信息的传递，并利用所述呼叫建立的连接进行可视电话的自动配置； B) The videophone terminal and the configuration maintenance server use the connection established by the call to transmit the configuration maintenance parameter information, and use the connection established by the call to perform automatic configuration of the videophone;
其中，所述步骤B)可以包括下列步骤： Wherein, described step B) can comprise the following steps:
B1)配置维护服务器向可视电话终端发送配置维护参数信息，其中，所述配置维护参数信息包括起始符、消息类型、消息长度、消息内容、校验和和结束符； B1) The configuration maintenance server sends configuration maintenance parameter information to the videophone terminal, wherein the configuration maintenance parameter information includes a start symbol, message type, message length, message content, checksum and terminator;
B2)可视电话终端接收到配置维护参数信息，所述可视电话终端向所述配置维护服务器发送接收确认消息，其中，所述接收确认消息包括起始符、消息类型、结果和结束符； B2) The videophone terminal receives configuration maintenance parameter information, and the videophone terminal sends a reception confirmation message to the configuration maintenance server, wherein the reception confirmation message includes a start character, a message type, a result and a terminator;
B3)重复步骤B1)、B2)，直到所有的配置维护参数发送完成。 B3) Steps B1) and B2) are repeated until all configuration maintenance parameters are sent. the
所述步骤B1)之前还可以包括下列步骤： The following steps can also be included before the step B1):
B11)配置维护服务器向可视电话终端发送参数传输开始提示； B11) The configuration maintenance server sends a parameter transmission start prompt to the videophone terminal;
B12)可视电话终端接收到参数传输开始提示后，准备接收配置维护参数，并向配置维护服务器发送就绪确认消息。 B12) After receiving the parameter transmission start prompt, the videophone terminal prepares to receive configuration maintenance parameters, and sends a ready confirmation message to the configuration maintenance server. the
所述步骤B1)还可以包括下列步骤：B11′)可视电话终端屏蔽本地用户的输入，以免干扰配置维护参数的接收； The step B1) may also include the following steps: B11') the videophone terminal shields the input of the local user, so as not to interfere with the reception of configuration maintenance parameters;
B12′)可视电话终端将随后接收到的信息不向用户输出，以免发出嘈杂的声音； B12') The videophone terminal will not output the subsequently received information to the user, so as not to make noisy sounds;
B13′)向可视电话终端本地用户输出本地提示音，用于提示终端正在进行参数传输； B13') Outputting a local prompt tone to the local user of the videophone terminal, used to prompt the terminal to transmit parameters;
B14′)可视终端进入参数接收状态。 B14') The visual terminal enters the parameter receiving state. the
所述本地用户的输入为双音多频DTMF输入。 The input of the local user is dual-tone multi-frequency DTMF input. the
所述校验和是对发送的配置维护参数利用信息-摘要算法进行校验处理。所述配置维护服务器是基于IP网络的服务器。所述配置维护服务器是基于PSTN网络的服务器。 The checksum is to perform check processing on the sent configuration maintenance parameters using an information-digest algorithm. The configuration maintenance server is an IP network-based server. The configuration maintenance server is a server based on PSTN network. the
本发明的有益效果：本发明针对现有技术的缺点，直接利用可视电话的PSTN线路，提供另外一种可视电话的自动配置维护参数传输方法，其通过PSTN线路对可视电话终端接入参数和业务参数进行传输配置，同时还可以以此进行终端的维护操作，从而方便运营商对视讯业务的开展。 Beneficial effects of the present invention: the present invention aims at the shortcomings of the prior art, directly utilizes the PSTN line of the videophone, and provides another automatic configuration and maintenance parameter transmission method of the videophone, which accesses the videophone terminal through the PSTN line Parameters and service parameters are transmitted and configured, and at the same time, terminal maintenance operations can be carried out, so as to facilitate the development of video services by operators. the
附图说明Description of drawings
图1是现有的典型可视电话终端组网示意图； Figure 1 is a schematic diagram of a typical existing videophone terminal network;
图2是现有的可视电话终端的参数传输和维护过程流程图； Fig. 2 is a flow chart of the parameter transmission and maintenance process of the existing videophone terminal;
图3是本发明可视电话自动配置/维护过程示意图； Fig. 3 is a schematic diagram of the automatic configuration/maintenance process of the videophone of the present invention;
图4是本发明使用DTMF方式的可视电话和配置维护服务器的交互过程流程图。 Fig. 4 is a flow chart of the interactive process between the videophone using DTMF mode and the configuration maintenance server in the present invention. the
具体实施方式Detailed ways
下面结合附图3、4进一步详细说明本发明的可视电话终端配置维护参数传输方法。 The videophone terminal configuration maintenance parameter transmission method of the present invention will be further described in detail below in conjunction with accompanying
本发明的可视电话自动配置维护的参数传输，实际上就是利用可视电话终端和配置维护服务器的PSTN呼叫通道来完成配置信息维护的参数传输。 The parameter transmission of the automatic configuration maintenance of the videophone of the present invention actually uses the PSTN call channel of the videophone terminal and the configuration maintenance server to complete the parameter transmission of the configuration information maintenance. the
在本实施例的可视电话终端自动配置维护的参数传输方法，特别是以PSTN呼叫通过的双音多频(Dual Tone Multifrequency，DTMF)而进行的描述，但本发明同样适用除了DTMF之外的实现方式的情况。 The parameter transmission method for the automatic configuration and maintenance of the videophone terminal in this embodiment, especially the description of Dual Tone Multifrequency (DTMF) through which PSTN calls pass, but the present invention is also applicable to all other methods except DTMF The circumstances of the implementation. the
本实施例中的配置维护服务器和维护服务器可以是同一台服务器，也可以不在同一台服务器上，但可视电话终端进行自动配置维护的参数传输操作的方式是相同的，并不是对本发明的限定。 The configuration maintenance server and the maintenance server in this embodiment may be on the same server, or may not be on the same server, but the method for the automatic configuration and maintenance parameter transmission operation of the videophone terminal is the same, which is not a limitation of the present invention . the
由于电话终端上用户可以使用DTMF信息包括：0～9，*，#。因此，本实施例中的配置维护服务器和可视电话终端之间交换的协议能通过这些信息的组合来写成。 Since the user on the telephone terminal can use DTMF information including: 0-9, *, #. Therefore, the protocol exchanged between the configuration maintenance server and the videophone terminal in this embodiment can be written by combining these information. the
在配置维护服务器和可视电话终端之间定义协议如表1。 The protocol defined between the configuration maintenance server and the videophone terminal is shown in Table 1. the
表1配置维护服务器和可视电话终端之间自动配置协议表 Table 1 Automatic configuration protocol table between configuration maintenance server and videophone terminal
其中，当用户呼叫成功后，用户输入DTMF信息时，表1表示： Wherein, after the user calls successfully, when the user inputs the DTMF information, Table 1 represents:
1)在终端上输入“*111111*”时，表示由配置维护服务器向可视电话终端提示开始传输参数，配置维护服务器在收到信息内容“*111111*”后，准备开始向可视电话传输参数； 1) When "* 111111* " is input on the terminal, it means that the configuration maintenance server will prompt the videophone terminalto start transmitting parameters. parameter;
2)在终端上输入“*222222*”时，表示由可视电话向配置维护服务器发 送确认消息，确认配置维护服务器可以向可视电话终端传输参数，可视电话终端可以开始接收配置维护服务器发送的参数消息； 2) When "* 222222* " is entered on the terminal, it means that the videophone will send a confirmation message to the configuration maintenance server, confirming that the configuration maintenance server can transmit parameters to the videophone terminal, and the videophone terminal can start to receive the parameter message;
3)当可视电话参数传输能够接收确认后，配置维护服务器向可视电话终端发送“起始符+消息类型+消息长度+消息内容+校验和+结束符”消息； 3) When the videophone parameter transmission can receive confirmation, the configuration maintenance server sends a message of "initiator + message type + message length + message content + checksum + end character" to the videophone terminal;
4)当可视电话终端接收到3)所述的参数传输消息后，向配置维护服务器发送“起始符+消息类型+结果+结束符”消息，表示接收到配置维护参数，向配置维护服务器发送配置维护参数接收确认。 4) After the videophone terminal receives the parameter transmission message described in 3), it sends a message of "initiator+message type+result+end" to the configuration maintenance server, indicating that the configuration maintenance parameters have been received, and sends the message to the configuration maintenance server Send configuration maintenance parameter receipt confirmation. the
5)当配置维护服务器向可视电话终端发送消息结束后，在输入并发送“*999999*”消息，表示参数传输结束。 5) After the configuration maintenance server finishes sending the message to the videophone terminal, input and send a "* 999999* " message, indicating that the parameter transmission is over.
表1所述的配置维护参数的具体内容如表2所示： The specific content of the configuration and maintenance parameters described in Table 1 is shown in Table 2:
表2配置维护参数内容表 Table 2 Configuration and maintenance parameter content table
表2中： Table 2:
1’)消息类型可以由用户自行定义，如数字“01”表示可视电话的终端注册地址； 1') The message type can be defined by the user, for example, the number "01" indicates the terminal registration address of the videophone;
2，)消息内容和消息类型对照起来，例如终端注册IP地址为192.001.001.001，则其表现为DTMF的部分序列表现如表3所示； 2,) The content of the message is compared with the type of the message. For example, the registered IP address of the terminal is 192.001.001.001, and the partial sequence performance of DTMF is shown in Table 3;
表3消息类型、消息长度和消息内容对应的DTMF信息表 Table 3 DTMF information table corresponding to message type, message length and message content
3’)校验和表示对本次发送的消息进行信息-摘要算法(Message-Digest algorithm 5，MD5)校验处理，处理部分包括消息类型、消息长度和消息内容等。 3') Checksum indicates that the Message-Digest algorithm (Message-Digest algorithm 5, MD5) check processing is performed on the message sent this time, and the processing part includes message type, message length and message content, etc. the
本次发送的消息在进行信息-摘要算法检验处理后的内容固定为16字节，每个字节用固定的两个数字来进行表示。可视电话终端接收到后消息内容后，也同样使用信息-摘要算法进行验证，如果验证通过便返回成功，否则返回失败，配置维护服务器重新发送。 The content of the message sent this time after the information-digest algorithm inspection is fixed to 16 bytes, and each byte is represented by two fixed numbers. After the videophone terminal receives the content of the message, it also uses the information-digest algorithm to verify it. If the verification is passed, it will return success, otherwise it will return failure, and the configuration maintenance server will send it again. the
信息-摘要算法(MD5)广泛应用于加密和解密技术上。当用户登录的时候，系统把用户输入的密码计算成MD5值，然后再去和保存在文件系统中的MD5值进行比较，进而确定输入的密码是否正确。通过这样的步骤，系统在并不知道用户密码的明码的情况下就可以确定用户登录系统的合法性。这不但可以避免用户的密码被具有系统管理员权限的用户知道，而且还在一定程度上增加了密码被破解的难度。 The message-digest algorithm (MD5) is widely used in encryption and decryption techniques. When the user logs in, the system calculates the password entered by the user into an MD5 value, and then compares it with the MD5 value stored in the file system to determine whether the entered password is correct. Through such steps, the system can determine the legitimacy of the user's login system without knowing the clear code of the user's password. This not only prevents the user's password from being known by users with system administrator privileges, but also increases the difficulty of password cracking to a certain extent. the
对MD5算法简要叙述为：MD5以512位分组来处理输入的信息，且每一分组又被划分为16个32位子分组，经过了一系列的处理后，算法的输出由四个32位分组组成，将这四个32位分组级联后将生成一个128位散列值。 A brief description of the MD5 algorithm is: MD5 uses 512-bit packets to process input information, and each packet is divided into 16 32-bit sub-packets. After a series of processing, the output of the algorithm consists of four 32-bit packets. , concatenating these four 32-bit packets will generate a 128-bit hash value. the
表1中的配置维护参数确认的具体内容如表4。 The specific content of configuration and maintenance parameter confirmation in Table 1 is shown in Table 4. the
表4表1中配置维护参数确认的具体内容表 Table 4 Table 1 Concrete content table for confirmation of configuration and maintenance parameters
上述描述的协议仅为实现本发明的一种具体实施方式，在实际的应用中，并不局限于此，本领域的普通技术人员还可以采用其它的类似定义协议来完成本发明，但其基本实现方法也是相同的。 The above-described protocol is only a specific embodiment of the present invention, and it is not limited to this in actual application. Those skilled in the art can also use other similarly defined protocols to complete the present invention, but the basic The implementation method is also the same. the
下面结合上述DTMF传输的具体协议详细说明本发明的可视电话终端配置维护的参数传输方法过程。 The process of the parameter transmission method for configuration and maintenance of the videophone terminal of the present invention will be described in detail below in conjunction with the above-mentioned specific protocol of DTMF transmission. the
如图3、4所示： As shown in Figure 3 and 4:
A)用户首先通过可视电话终端与配置维护服务器建立PSTN呼叫连接，即相当于普通的电话呼叫，包括固定和无线电话。 A) The user first establishes a PSTN call connection with the configuration maintenance server through the videophone terminal, which is equivalent to an ordinary telephone call, including fixed and wireless telephones. the
A1)可视电话终端首先发出呼叫，与配置维护服务器建立呼叫连接。 A1) The videophone terminal first sends out a call, and establishes a call connection with the configuration maintenance server. the
建立PSTN呼叫的典型方式有如下两种，但在实际的应用中并不局限于 这两种方式。 There are two typical ways to establish a PSTN call as follows, but they are not limited to these two ways in practical applications. the
如果配置维护服务器是基于IP网络的，用户可以通过可视电话终端呼叫一个固定的电话号码，该电话号码对应的设备可以是一个语音网关，也可以是其它具有网关功能的设备，它与配置维护服务器相连。 If the configuration and maintenance server is based on the IP network, the user can call a fixed phone number through the videophone terminal. The device corresponding to the phone number can be a voice gateway or other devices with gateway functions. It is related to the configuration and maintenance server. The server is connected. the
如果配置维护服务器直接是PSTN网络上的一个设备，则用户便可以通过可视电话终端直接呼叫该设备，而不再需要经过网关。 If the configuration maintenance server is directly a device on the PSTN network, the user can directly call the device through the videophone terminal without going through the gateway. the
一般地，可视电话终端与配置维护服务器通过语音网关建立呼叫连接。 Generally, the videophone terminal establishes a call connection with the configuration maintenance server through the voice gateway. the
A2)配置维护服务器应答，建立呼叫连接。 A2) The configuration maintenance server answers and establishes a call connection. the
A21)配置维护服务器使用互动式语音应答(Interactive Voice Response，IVR)提示可视电话终端输入用户账号； A21) The configuration and maintenance server uses Interactive Voice Response (Interactive Voice Response, IVR) to prompt the videophone terminal to enter the user account;
A22)可视电话终端输入用户账号； A22) videophone terminal input user account number;
A23)配置维护服务器使用互动式语音应答提示可视电话终端输入用户密码； A23) The configuration and maintenance server uses an interactive voice response to prompt the videophone terminal to enter the user password;
A24)可视电话终端输入用户密码； A24) Input the user password at the videophone terminal;
A25)配置维护服务器对用户输入的帐号和密码进行校验，检验通过则建立呼叫连接；否则，使用互动式语音应答提示可视电话终端重新输入用户帐号和密码，或者结束配置维护参数过程。 A25) The configuration and maintenance server verifies the account number and password input by the user, and if the verification is passed, a call connection is established; otherwise, an interactive voice response is used to prompt the videophone terminal to re-enter the user account number and password, or end the process of configuring and maintaining parameters. the
如果用户的账号和电话号码捆绑，也就是进行主叫号码捆绑，则自动完成步骤A22)～A25)等输入及校验过程，不需要用户在可视电话终端输入信息。 If the user's account number is bundled with the phone number, that is, the calling number is bundled, the input and verification processes such as steps A22) to A25) are automatically completed, and the user does not need to input information at the videophone terminal. the
B)可视电话终端与配置维护服务器使用呼叫建立的连接进行配置维护参数信息的传递。 B) The videophone terminal and the configuration maintenance server use the connection established by the call to transmit the configuration maintenance parameter information. the
B1)配置维护服务器校验可视电话是否可以进行配置和维护，如果不可以，则结束；否则配置维护服务器向可视电话终端发送参数传输开始提示“*111111*”； B1) The configuration and maintenance server checks whether the videophone can be configured and maintained, if not, then end; otherwise, the configuration and maintenance server sends a parameter transmission start prompt "* 111111* " to the videophone terminal;
可视电话终端与配置维护服务器建立PSTN呼叫后，便可以利用PSTN的呼叫通道完成可视电话终端的自动配置过程。 After the videophone terminal establishes a PSTN call with the configuration maintenance server, the automatic configuration process of the videophone terminal can be completed by using the call channel of the PSTN. the
呼叫成功后，也就是建立PSTN的呼叫通道后，配置维护服务器和可视电话终端采用DTMF的方式进行各种配置操作，从而完成自动配置的过程。 After the call is successful, that is, after the PSTN call channel is established, the configuration maintenance server and the videophone terminal perform various configuration operations in the form of DTMF, thereby completing the automatic configuration process. the
可视电话终端接收到参数传输开始提示“*111111*”后，准备接收配置维护参数，其包括下列步骤： After the videophone terminal receives the prompt "* 111111* " for the start of parameter transmission, it is ready to receive configuration and maintenance parameters, which includes the following steps:
B11)可视电话终端屏蔽本地用户的DTMF输入，以免干扰配置维护参数的接收； B11) The videophone terminal shields the DTMF input of the local user, so as not to interfere with the reception of configuration and maintenance parameters;
B12)可视电话终端将随后接收到的信息不向用户输出，以免发出嘈杂的声音； B12) The videophone terminal will not output the subsequently received information to the user, so as not to make noisy sounds;
B13)向可视电话终端本地用户输出本地提示音，用于提示终端正在进行参数传输； B13) outputting a local prompt tone to the local user of the videophone terminal, for prompting the terminal to carry out parameter transmission;
B14)可视终端进入参数接收状态。 B14) The visual terminal enters the parameter receiving state. the
B2)可视电话终端接收到参数传输开始提示后，准备接收配置维护参数，并向配置维护服务器发送就绪确认消息“*222222*”。 B2) After receiving the parameter transmission start prompt, the videophone terminal is ready to receive configuration maintenance parameters, and sends a ready confirmation message "* 222222* " to the configuration maintenance server.
可视电话终端在完成上述准备后，便向配置维护服务器发送就绪确认消息“*222222*”。 After completing the above preparations, the videophone terminal sends a ready confirmation message "* 222222* " to the configuration maintenance server.
自动配置也可以包括如下方式： Automatic configuration can also include the following methods:
另一方面，呼叫成功后，也就是建立PSTN的呼叫通道后，配置维护服务器和可视电话终端通过建立其它的端到端之间的协议，再利用该协议来完成可视电话的自动配置维护参数传输过程。 On the other hand, after the call is successful, that is, after the PSTN call channel is established, the configuration maintenance server and the videophone terminal establish other end-to-end protocols, and then use this protocol to complete the automatic configuration and maintenance of the videophone Parameter transfer process. the
较佳地，上述端到端之间的协议为T.30协议。 Preferably, the above-mentioned end-to-end protocol is the T.30 protocol. the
T.30是ITU-T的一个标准协议，主要用于传真，可以在可视电话和配置维护服务器之间借用ITU-T T.30协议过程(或其它可以在电话线上传输的标准协议)，来完成可视电话的自动配置过程。本发明关键的思想是在于可视电话和配置维护服务器之间使用PSTN线路来建立一个配置维护通道，以完成可视电话的自动配置维护过程。而实际上在该通道上采用的具体协议，可能有很多种方式。 T.30 is a standard protocol of ITU-T, mainly used for fax, and the ITU-T T.30 protocol process (or other standard protocols that can be transmitted on the telephone line) can be borrowed between the videophone and the configuration maintenance server , to complete the automatic configuration process of the videophone. The key idea of the present invention is to use PSTN line to establish a configuration maintenance channel between the videophone and the configuration maintenance server, so as to complete the automatic configuration maintenance process of the videophone. In fact, there may be many ways to adopt specific protocols on this channel. the
C)配置维护服务器接收到可视电话终端就绪确认消息后，开始向可视电话终端发送参数信息。 C) The configuration maintenance server starts to send parameter information to the videophone terminal after receiving the videophone terminal ready confirmation message. the
配置维护服务器向可视电话终端发送配置维护参数信息，如表1所示，配置维护参数包括：起始符+消息类型+消息长度+消息内容+校验和+结束符。其中，如表2、3所示，起始符为“##”；消息类型为固定两位数字，用不同 数字组合表示不同的类型，如01表示终端注册IP地址；消息长度为固定两位数字，用来表示内容的数字位数，如12表示有内容数字个数有12位；消息内容表示发送配置维护参数内容，其是不定长的数字，与消息类型和消息长度有关，如终端注册IP地址为192.001.001.001，则消息内容为192001001001；校验和为固定的32位数字，用于可视电话终端接收到消息后的校验，所采用的校验算法为信息-摘要(MD5)算法；结束符为“##”。 The configuration maintenance server sends configuration maintenance parameter information to the videophone terminal. As shown in Table 1, the configuration maintenance parameters include: start character + message type + message length + message content + checksum + terminator. Among them, as shown in Tables 2 and 3, the initial symbol is "##"; the message type is a fixed two-digit number, and different numbers are used to represent different types. For example, 01 indicates the terminal registration IP address; the message length is a fixed two-digit number Number, the number of digits used to represent the content, such as 12 means that there are 12 digits in the content; the message content represents the content of sending configuration maintenance parameters, which is a number of variable length, related to the message type and message length, such as terminal registration If the IP address is 192.001.001.001, the content of the message is 192001001001; the checksum is a fixed 32-bit number, which is used for checking after the videophone terminal receives the message, and the checking algorithm adopted is message-digest (MD5) Algorithm; the terminator is "##". the
因此，当配置维护服务器向终端发送终端注册IP地址为192.001.001.001时，则配置维护服务器发送“##0112192001001001+32位校验位+##”。 Therefore, when the configuration maintenance server sends the terminal registration IP address 192.001.001.001 to the terminal, the configuration maintenance server sends "##0112192001001001+32 check digits+##". the
D)可视电话终端接收到一个完整的配置维护参数信息，校验确认接收后，向配置维护服务器发送接收确认消息。 D) The videophone terminal receives a complete configuration maintenance parameter information, and after checking and confirming the receipt, sends a reception confirmation message to the configuration maintenance server. the
可视电话终端向配置维护服务器发送接收确认消息，如表1所示，包括：起始符+消息类型+结果+结束符。其中，如表4所示，起始符为“##”；消息类型为固定两位数字，其与配置维护服务器向可视电话终端发送的配置维护参数中的消息类型相同； The videophone terminal sends a reception confirmation message to the configuration maintenance server, as shown in Table 1, including: start character + message type + result + end character. Wherein, as shown in Table 4, the initial symbol is "##"; the message type is a fixed two-digit number, which is the same as the message type in the configuration maintenance parameters sent by the configuration maintenance server to the videophone terminal;
E)重复步骤C)、D)，直到所有的配置维护参数发送完成；配置维护服务器向可视电话终端发送参数传输结束消息“*999999*”，可视电话终端接收到参数传输结束消息后，完成本地参数传输并提示用户。这样便完成了参数的配置过程。 E) Repeat steps C), D) until all the configuration maintenance parameters are sent; the configuration maintenance server sends the parameter transmission end message "* 999999* " to the videophone terminal, after the videophone terminal receives the parameter transmission end message, Complete the local parameter transfer and prompt the user. This completes the parameter configuration process.
可视电话终端与配置维护服务器建立PSTN呼叫后，除了可以利用PSTN的呼叫通道来完成可视电话终端的自动配置过程，同样还可以利用该通道来进行终端的维护管理，其具体的实现方式可以采用与自动配置相同。 After the videophone terminal establishes a PSTN call with the configuration maintenance server, in addition to using the call channel of the PSTN to complete the automatic configuration process of the videophone terminal, it can also use this channel to perform terminal maintenance and management. The specific implementation method can be Adoption is the same as automatic configuration. the
本发明利用可视电话的PSTN接入，来提供一种对可视电话的自动配置方法，在初始不能提供IP接入的方式下，可以完成自动配置过程，方便运营商的业务部署和开展；操作简单，参数传输的整个过程基本上都是自动完成的；在IP接入方式出现故障的时，还可以通过对这种方式进行简单的扩展，支持对可视电话的远程维护，减少终端维护成本。 The present invention utilizes the PSTN access of the videophone to provide an automatic configuration method for the videophone, which can complete the automatic configuration process in the way that the IP access cannot be provided initially, and is convenient for the service deployment and development of the operator; The operation is simple, and the whole process of parameter transmission is basically completed automatically; when the IP access method fails, this method can also be simply extended to support remote maintenance of videophones and reduce terminal maintenance cost. the
本实施例是使本领域普通技术人员理解本发明，而对本发明所进行的详细描述，但可以想到，在不脱离本发明的权利要求所涵盖的范围内还可以做出其它的变化和修改，这些变化和修改均在本发明的保护范围内。 This embodiment is to make those of ordinary skill in the art understand the present invention and describe the present invention in detail, but it is conceivable that other changes and modifications can be made without departing from the scope covered by the claims of the present invention. These changes and modifications are all within the protection scope of the present invention. the
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| CN101989919A (en)* | 2009-08-06 | 2011-03-23 | 中兴通讯股份有限公司 | Local software diagnosing and maintaining system as well as corresponding method and system for diagnosis and maintenance |
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