CN108471440B - Digital talkback method and system - Google Patents
Digital talkback method and system Download PDFInfo
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- CN108471440B CN108471440B CN201810214098.9A CN201810214098A CN108471440B CN 108471440 B CN108471440 B CN 108471440B CN 201810214098 A CN201810214098 A CN 201810214098A CN 108471440 B CN108471440 B CN 108471440B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
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Abstract
The embodiment of the invention discloses a digital talkback method and a digital talkback system, wherein the method comprises the following steps: responding to a talkback request of a terminal machine, and acquiring a talkback number of a target machine, which is input by a user through the terminal machine; and converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula, and realizing the talkback connection between the terminal machine and the target machine based on the IP address. Therefore, on the premise of not increasing the cost and the system complexity, the dependence of the intercom system on the central server is reduced, and the reliability of the intercom system is improved.
Description
Technical Field
The invention relates to the field of digital talkback, in particular to a digital talkback method and a digital talkback system.
Background
The digital intercom system on the market at present generally operates in a local area network or is expanded to a wide area network based on the local area network. In any type of network, the problem that digital communication is primarily addressed is how to make all terminal machines have unique identities on the network, i.e., to determine the IP addresses of all terminal machines in the TCP/IP protocol.
There are many protocols available today to solve the IP address problem of digital intercom systems, such as: DNS, DHCP, and the like. Some digital intercom systems also use custom protocols or custom methods to assign IP, and none of these methods eliminate the need for a central server and a central database. On the other hand, the reliability requirement of the intercom system is high, once the server fails, the intercom system is wholly paralyzed, so that a lot of people cannot enter the intercom system, security guards can not be busy, and the user experience is very poor. Some intercom systems are designed to be weakly dependent on a central server, generally the server is required to be dependent on during the setting, and a terminal machine can still continue to operate part of basic functions even if the server fails during the operation, but the intercom system has certain limitation, and the intercom system needs to use a very high-end server and a backup system, so that the intercom system is high in cost and becomes more complex.
Disclosure of Invention
The embodiment of the invention provides a digital talkback method and a digital talkback system, which can reduce the dependence of the talkback system on a central server and improve the reliability of the talkback system on the premise of not increasing the cost and the complexity of the system.
In a first aspect, an embodiment of the present invention provides a digital intercom method, including:
responding to a talkback request of a terminal machine, and acquiring a talkback number of a target machine, which is input by a user through the terminal machine;
and converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula, and realizing the talkback connection between the terminal machine and the target machine based on the IP address.
In a second aspect, an embodiment of the present invention further provides a digital intercom system, including:
the first response acquisition unit is used for responding to the talkback request of the terminal machine and acquiring the talkback number of the target machine input by a user through the terminal machine;
and the first conversion connection unit is used for converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula and realizing the talkback connection between the terminal machine and the target machine based on the IP address.
According to the digital talkback method and the digital talkback system, the talkback number of the target machine input by the user through the terminal machine is obtained, and the talkback number is converted into the IP address in the preset network segment according to the operation formula, so that the talkback connection between the terminal machine and the target machine is realized based on the IP address. Therefore, on the premise of not increasing the cost and the system complexity, the dependence of the intercom system on the central server is reduced, and the reliability of the intercom system is improved.
Drawings
Fig. 1 is a schematic flow chart of a digital intercom method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the translation of the intercom number into an IPv6 address according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a digital intercom method according to a second embodiment of the present invention;
FIG. 4 is a diagram illustrating the conversion of a target group number into an IPv6 address according to a second embodiment of the present invention;
fig. 5 is a schematic flow chart of a digital intercom method according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a digital intercom system according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a digital intercom method according to an embodiment of the present invention, where the present embodiment is applicable to a case where a one-to-one call is made between a terminal and a target, and the method may be executed by a digital intercom system, and specifically includes the following steps:
and step 110, responding to the talkback request of the terminal machine, and acquiring the talkback number of the target machine, which is input by the user through the terminal machine.
In the digital intercom system, each terminal has a unique intercom number, wherein the intercom number can be understood and memorized by a user, but cannot be directly understood by the terminal and used for network communication, and the intercom number needs to be converted into an IP address capable of network communication. In a digital intercom system, a common intercom number of a terminal generally consists of three parts, including a terminal type, a digital section and an extension number, as shown in fig. 2. The terminal type and the extension number are both composed of 1-bit 26-system digit, the digit section is composed of no more than 16-bit 10-system digits, and the digit section can be set to 3-6-bit 10-system digits for the convenience of user memory. When calling between a terminal machine and a target machine, firstly, the talkback number of the target machine input by a user through the terminal machine is obtained so as to convert the talkback number into an IP address capable of carrying out network communication.
And step 120, converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula, and realizing the talkback connection between the terminal machine and the target machine based on the IP address.
At present, common digital talkback systems have an exhaustion method and a formula method for converting talkback numbers into IP addresses. The exhaustion method is to establish a corresponding relationship list including talkback numbers and IP addresses according to the talkback numbers and the corresponding IP addresses of all the terminal machines, and dynamically or statically allocate the corresponding IP address to each terminal machine based on the central server and the central database. While the formulation method is rarely used in an intercom system due to the capacity limitation of the IPv4 coding space in the local area network.
Due to the fact that the IPv6 coding space is large, the number of possible values of the IP address corresponding to the talkback number in any digital talkback system can be accommodated. Therefore, in the digital intercom system of the present application, the intercom number of the terminal can be converted into the corresponding IPv6 address by using a formula method. Specifically, the network segments need to be divided in advance according to different traffic requirements, and a service segment (FEC0:3:: x/64 segment), a talkback segment (FEC0:4:: x/64 segment) and a basic segment (FE80:: x/64 segment) can be divided as an example. The service segment can be used for other services except the intelligent building system talkback, and particularly can be used for services related to the terminal serial number of the terminal; the talkback section can be used for talkback between terminals and corresponds to talkback numbers; the base segment may be used for a link local address, corresponding to the MAC address of the network card. Correspondingly, each terminal has 3 IPv6 addresses: (1) x/64, generated according to the terminal serial number of each terminal machine, and used for the service associated with the terminal serial number; (2) the FEC0:4: x/64, generated according to the talkback number and used for talkback communication; (3) x/64, link local address, is automatically generated by the network bottom layer, the IP is independent of service and is used for other purposes besides the two IPs.
Since each terminal has a unique talkback number, and an IP address corresponding to each terminal is set in advance according to the talkback number, for example, the talkback number of each terminal can be converted into an IPv6 address in a preset network segment corresponding to the talkback number according to an operation formula. After obtaining the talkback number of the target machine, converting the talkback number into a binary number according to an operation formula, and storing the binary number in the lower 64 bits of the IPv6 address in the talkback section, wherein in the exemplary conversion process, as shown in FIG. 2, when converting according to the operation formula, the 26-system terminal type of the talkback number is converted into the binary number and is stored in the 59 th to 63 th bits of the IPv6 address; converting the 10-system digital field of the talkback number into a binary number, and correspondingly storing the binary number in the 5 th to 58 th bits of the IPv6 address; the 26-system extension number of the talkback number is converted into a binary number and is stored in the 0 th to 4 th bits of the IPv6 address. Therefore, the talkback number of the target machine is converted into the IPv6 address corresponding to the talkback number, meanwhile, due to the uniqueness of the talkback number of each terminal machine, the converted IPv6 address uniquely corresponds to one target machine, the terminal machine can be connected to the corresponding target machine based on the IPv6 address, and the terminal machine and the target machine can directly talk back because the IP addresses of the terminal machine and the target machine are in the same network segment. Therefore, the digital intercom system does not depend on the central server to distribute the IP address, the system paralysis caused by the failure of the central server can not occur, and the reliability of the intercom system is enhanced.
In this embodiment, the talkback number of the target terminal, which is input by the user through the terminal, is obtained, and the talkback number is converted into the IPv6 address in the preset network segment according to the operation formula, so that the talkback connection between the terminal and the target terminal is realized based on the IPv6 address. Therefore, on the premise of not increasing the cost and the system complexity, the dependence of the intercom system on the central server is reduced, and the reliability of the intercom system is improved.
Example two
Fig. 3 is a flowchart illustrating a digital intercom method according to a second embodiment of the present invention. The embodiment is applicable to the situation that one-to-many calls are carried out between a terminal machine and a plurality of target machines, and the method can be executed by a digital intercom system and specifically comprises the following steps:
In a digital intercom system, a plurality of target groups are divided according to actual service requirements, and a function code corresponding to each target group is set for each target group according to different services, so that the function of each target group can be accurately known according to the function code. Meanwhile, a corresponding group number is set for each target group, so that the target group with a certain function can be directly searched according to the group number, and the function code of the target group can be searched through the target group number. Wherein each target group includes a plurality of terminal sets.
When any terminal in the target group sends a call request to other target machines in the group, the group number of the target group is obtained.
And step 230, converting the group number of the target machine into an IP multicast address in a preset network segment based on an operation formula, and realizing the intercommunication connection between the terminal machine and a plurality of target machines in the target group based on the IP multicast address.
Converting the acquired group number of the target machine into an IPv6 multicast address of the talkback segment according to an operation formula, for example, as shown in fig. 4, all multicast addresses applied by the digital talkback system of the present invention are implemented by the same algorithm, and the IP address format is: FF72:0240: x: y, wherein x is a function code and can be expanded according to the needs of the service. y is group ID, and there are various definitions according to different functions, and the group number is converted into binary number and stored in the lower 32 bits of IPv6 multicast address. In addition, the function code of the target group can be searched according to the group number of the target group, and the function code is also converted into binary number and stored in the 80 th to 95 th bits of the IPv6 multicast address. Since the IPv6 multicast address identifies different interfaces, i.e., terminals within the target group. The terminal in the target group can simultaneously realize the talkback connection with a plurality of target machines in the group based on the IPv6 multicast address.
In this embodiment, the group number of the target group input by the user through the terminal is obtained, the group number is converted into an IPv6 address in the preset network segment according to an operation formula, and the function code of the group is searched according to the group number, so that the intercom connection between the terminal and the plurality of target machines is realized based on the IP address. Therefore, on the premise of not increasing the cost and the system complexity, the dependence of the intercom system on the central server is reduced, and the reliability of the intercom system is improved.
EXAMPLE III
Fig. 5 is a schematic flow chart of a digital intercom method according to a third embodiment of the present invention, where the present embodiment is applicable to a digital intercom system, and each terminal can know the role of each terminal in the system without depending on a data center database, as shown in fig. 5, the method includes the following steps:
And step 320, after the group number of the target group is obtained, converting the group number of the target machine into an IP multicast address in a preset network segment based on an operation formula.
The implementation principle and the specific implementation process of the steps 310 to 320 may refer to the description in the embodiment corresponding to fig. 3, and are not described herein again.
The digital intercom systems are all provided with organization structures, data of the organization structures of the existing digital intercom systems are usually stored in a central database, and the terminal machine relies on the central database to obtain the organization structure information of the intercom system where the terminal machine is located. In the digital intercom system, the terminals in the target group perform handshake communication through the IPv6 multicast address to acquire the information of other terminals in the target group, thereby reducing the dependence of the terminals on a central database. When idle or necessary, the terminals in the target group send out handshake communication requests.
Any terminal in the target group can perform handshake communication with other terminals in the group through the IPv6 multicast address to obtain the organizational structure information of the target group, such as all terminal types in the target group and the role that each terminal plays in the target group. Illustratively, for example, one indoor unit in the target group performs handshake communication with other terminal units in the group through the IPv6 multicast address, so that information of other indoor units existing in the room where the terminal unit is located and the door phone of the building unit where the terminal unit is located can be known.
In this embodiment, the group number of the target group input by the user through the terminal is obtained, and the group number is converted into the IPv6 address in the predetermined network segment according to the operation formula, so that the terminal in the target group performs handshake communication when idle or necessary to know the organizational structure information of the target group. Therefore, the dependence of the intercom system on the central database is reduced, and the reliability of the intercom system is improved.
Example four
Fig. 6 is a schematic structural diagram of a digital intercom system according to a fourth embodiment of the present invention, as shown in fig. 4, the system includes:
the first response acquisition unit is used for responding to the talkback request of the terminal machine and acquiring the talkback number of the target machine input by a user through the terminal machine;
and the first conversion connection unit is used for converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula and realizing the talkback connection between the terminal machine and the target machine based on the IP address.
According to the digital talkback system provided by the embodiment of the invention, the talkback number of the target machine, which is input by a user through the terminal machine, is obtained, and the talkback number is converted into the IPv6 address in the preset network segment according to the operation formula, so that the talkback connection between the terminal machine and the target machine is realized based on the IPv6 address. Therefore, on the premise of not increasing the cost and the system complexity, the dependence of the intercom system on the central server is reduced, and the reliability of the intercom system is improved.
On the basis of the above embodiments, the system further includes:
the grouping unit is used for dividing a plurality of terminal machines into target groups, and each target group corresponds to one group number;
a second response acquiring unit, configured to acquire a group number of a target group in response to a call request from a terminal to a plurality of target machines in the target group;
and the second conversion connection unit is used for converting the group number of the target machine into an IP multicast address in a preset network segment based on an operation formula and realizing the talkback connection between the terminal machine and a plurality of target machines in the target group based on the IP multicast address.
On the basis of the above embodiments, the system further includes:
a response request unit, configured to respond to a handshake communication request performed by a terminal in the target group through the IP multicast address;
and the communication unit is used for sending the organization structure information of the target group to the terminal machines in the target group.
On the basis of the foregoing embodiments, the first conversion connection unit is specifically configured to:
converting the terminal type, number field and extension number forming the talkback number into binary numbers based on a formula, storing the binary numbers in corresponding digits of an IP address in a preset network segment, and realizing the talkback connection between the terminal and the target machine based on the IP address.
On the basis of the above embodiments, the IP address is an IPV6 address, and correspondingly, the IP multicast address is an IPV6 multicast address.
The digital intercom system provided by the embodiment of the invention can execute the digital intercom method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A digital intercom method, comprising:
responding to a talkback request of a terminal machine, and acquiring a talkback number of a target machine, which is input by a user through the terminal machine;
converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula, and realizing the talkback connection between the terminal machine and the target machine based on the IP address;
the converting the talkback number of the target machine into the IP address in the preset network segment based on the operation formula comprises the following steps:
converting the terminal type, the number field and the extension number which form the talkback number into binary numbers respectively based on a formula, and storing the binary numbers on corresponding digits of the IP address in a preset network segment;
the method for converting the terminal type, the number field and the extension number which form the talkback number into binary numbers respectively based on a formula and storing the binary numbers in the corresponding digits of the IP address in the preset network segment comprises the following steps:
converting the 26-system terminal type of the talkback number into a binary number, and storing the binary number in 59 th to 63 th bits of an IPv6 address; converting the 10-system digital field of the talkback number into a binary number, and correspondingly storing the binary number in the 5 th to 58 th bits of the IPv6 address; converting the 26-system extension number of the talkback number into a binary number, and storing the binary number in the 0 th bit to the 4 th bit of the IPv6 address;
the method further comprises the following steps:
dividing a plurality of terminal machines into a target group, wherein the target group corresponds to a group number;
responding to a call request of a terminal machine to a plurality of target machines in a target group, and acquiring a group number of the target group;
and converting the group number of the target machine into an IP multicast address in a preset network segment based on an operation formula, and realizing the talkback connection between the terminal machine and a plurality of target machines in the target group based on the IP multicast address.
2. The method of claim 1, further comprising:
responding to a handshake communication request of the terminal machines in the target group through the IP multicast address;
and sending the organization structure information of the target group to the terminal machines in the target group.
3. The method of any of claims 1-2, wherein the IP multicast address is an IPv6 multicast address.
4. A digital intercom system, comprising:
the first response acquisition unit is used for responding to the talkback request of the terminal machine and acquiring the talkback number of the target machine input by a user through the terminal machine;
the first conversion connection unit is used for converting the talkback number of the target machine into an IP address in a preset network segment based on an operation formula and realizing the talkback connection between the terminal machine and the target machine based on the IP address;
the first conversion connection unit is specifically configured to:
converting the terminal type, the number field and the extension number which form the talkback number into binary numbers based on a formula, storing the binary numbers in corresponding digits of an IP address in a preset network segment, and realizing the talkback connection between the terminal and a target machine based on the IP address;
the said terminal type, number field and extension number which will form the number of talkbacking are converted into binary number based on the formula, and stored in the corresponding digit of IP address in the preset network segment, and the talkbacking connection between the terminal machine and the target machine is realized based on the IP address, including:
converting the 26-system terminal type of the talkback number into a binary number, and storing the binary number in 59 th to 63 th bits of an IPv6 address; converting the 10-system digital field of the talkback number into a binary number, and correspondingly storing the binary number in the 5 th to 58 th bits of the IPv6 address; converting the 26-system extension number of the talkback number into a binary number, and storing the binary number in the 0 th bit to the 4 th bit of the IPv6 address;
the system further comprises:
the grouping unit is used for dividing a plurality of terminal machines into target groups, and each target group corresponds to one group number;
a second response acquiring unit, configured to acquire a group number of a target group in response to a call request from a terminal to a plurality of target machines in the target group;
and the second conversion connection unit is used for converting the group number of the target machine into an IP multicast address in a preset network segment based on an operation formula and realizing the talkback connection between the terminal machine and a plurality of target machines in the target group based on the IP multicast address.
5. The system of claim 4, further comprising:
a response request unit, configured to respond to a handshake communication request performed by a terminal in the target group through the IP multicast address;
and the communication unit is used for sending the organization structure information of the target group to the terminal machines in the target group.
6. The system according to any of claims 4-5, wherein said IP multicast address is an IPv6 multicast address.
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