CN113747417A - Method for terminal roaming call, terminal and transfer equipment - Google Patents
Method for terminal roaming call, terminal and transfer equipment Download PDFInfo
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- CN113747417A CN113747417A CN202010467161.7A CN202010467161A CN113747417A CN 113747417 A CN113747417 A CN 113747417A CN 202010467161 A CN202010467161 A CN 202010467161A CN 113747417 A CN113747417 A CN 113747417A
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- 230000000977 initiatory effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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Abstract
The application provides a method, a device and related equipment for terminal roaming call, wherein the method is applied to transfer equipment and comprises the following steps: when a call service request of a terminal is received, equipment information of the terminal is searched in a preset access management table; if the terminal is not found, the equipment information of the terminal is found in the additional access table, and the storage process of the equipment information of the terminal in the additional access table comprises the following steps: receiving the terminal equipment information reported to the transfer equipment when the terminal roams to the area to which the transfer equipment belongs; the transfer equipment searches the equipment information of the terminal in a preset access management table, and if the equipment information of the terminal is not searched, the equipment information of the terminal is stored in an additional access table; if the terminal is found, forwarding the call service of the terminal according to the equipment information of the terminal in the additional access list. In the method, the roaming call of the terminal can be realized, the occupation of channel resources can be reduced, and the communication efficiency of the whole system is improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for a terminal roaming call, a terminal, and a relay device.
Background
In a communication system, information of a terminal is generally registered in an access management table of a relay station in a certain area, and a call service of the terminal in the area is realized.
In order to ensure that a terminal can still call the terminal when roaming to another area, the method currently adopts a mode of adding information of the terminal to an access management table of a relay station in each other area (as shown in fig. 1, an interphone terminal 2001 is registered in an access management table of a 2-zone relay station, when the interphone terminal 2001 roams to another area, for example, to achieve the purpose of calling the terminal, the access management tables of the 1, 2 and 3-zone relay stations are required to be added with information of the terminal, namely, an ID2001), and the relay stations in all the areas forward the call service of the terminal, so as to call the roaming terminal 2001.
However, the above method may occupy channel resources of the relay stations in all areas, and there is a problem that the channel resources are excessively occupied, which affects the communication efficiency of the whole system.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present application provide a method, a terminal, and a relay device for a terminal roaming call, so as to achieve the purposes of reducing occupation of channel resources and improving communication efficiency of a whole system, where the technical scheme is as follows:
a method for a terminal roaming call, the method comprising:
when the terminal roams to a first area, initiating a registration request carrying terminal equipment information to transfer equipment in the first area;
if the transfer device in the first area receives the registration request, searching the terminal device information in a preset access management table and an additional access table;
if the terminal equipment information is not found, adding the terminal equipment information into the additional access list so as to enable the transfer equipment to judge whether the call service needs to be forwarded to the terminal or not based on the terminal equipment information in the additional access list when the transfer equipment receives the call service;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal equipment information comprises ID information and local group call receiving list information.
Preferably, the method further comprises:
when the transfer device in the first area receives a call service, searching device information capable of receiving the call service in the preset access management table;
if the device information which can receive the call service is not searched in the preset access management table, the device information which can receive the call service is continuously searched in the additional access table;
if the call service is found in the additional access list, transferring the call service according to the equipment information found in the additional access list.
A method for roaming call of a terminal is applied to the terminal, and the method comprises the following steps:
when roaming to a first area, if judging that the transfer equipment in the area is different from the transfer equipment registered last time, initiating a registration request to the transfer equipment; the registration request comprises ID information of a terminal and group call receiving list information;
judging whether registration response information fed back by the transfer equipment is received or not;
if a registration success response message of the transfer equipment is received, staying in the current area;
if receiving the registration failure response message of the transfer equipment, prompting the terminal to switch to other transfer equipment areas and searching other transfer equipment which can be registered;
if the registration response information of the transfer equipment is not received, judging whether the number of times of sending the registration request to the transfer equipment exceeds the set number of times, if so, prompting the user that the registration fails, and if not, repeatedly executing the step of initiating the registration request to the transfer equipment.
Preferably, after the step of staying in the current area if the registration success response message of the transfer device is received, the method further includes:
and the terminal initiates a registration request to the transfer equipment in the first area at preset time intervals.
A method for terminal roaming call is applied to transfer equipment, and the method comprises the following steps:
receiving a registration request which is initiated by a terminal and carries terminal equipment information, wherein the registration request is sent by the terminal in a region where the terminal roams to the transfer equipment;
searching the terminal equipment information in a preset access management table and an additional access table;
if the terminal equipment information is not found, adding the terminal equipment information into the additional access list;
when a call service is received, judging whether the call service needs to be forwarded to the terminal or not based on the terminal equipment information in the additional access table;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal equipment information comprises ID information and local group call receiving list information.
Preferably, after the adding the terminal device information to the additional access table, the method further includes:
timing the storage duration of the terminal equipment information in the additional access table to obtain timing duration;
and when the timing duration reaches a preset life cycle, setting the state of the table entry of the terminal equipment information in the additional access table as invalid or deleting the terminal equipment information.
Preferably, the method further comprises the following steps:
if the timing duration is within the life cycle, if the registration request of the terminal is received again, the storage duration is timed again.
A relay device comprising: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is configured to execute the steps of the method for roaming call of the terminal according to the program stored in the memory.
A terminal, comprising: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is configured to execute the steps of the method for roaming call of the terminal according to the program stored in the memory.
Compared with the prior art, the beneficial effect of this application is:
in the application, when the terminal roams to the first area, a registration request carrying terminal equipment information is initiated to the transfer equipment in the first area, and the transfer equipment in the first area adds the terminal equipment information to the additional access table, so that the terminal equipment information does not need to be added in the access management table of the transfer equipment in different areas in advance, the transfer equipment in each area is prevented from pulling up a call when the terminal is called, the occupation of channel resources of a system is reduced, and the communication efficiency of the whole system is improved. .
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a diagram illustrating a scenario of terminal roaming in the prior art;
fig. 2 is a flowchart of an embodiment 1 of a method for roaming call of a terminal according to the present application;
fig. 3 is a flowchart of a method for roaming call of a terminal according to embodiment 2 of the present application;
fig. 4 is a flowchart of a method for roaming call of a terminal according to embodiment 3 of the present application;
fig. 5 is a flowchart of a method for roaming call of a terminal according to embodiment 4 of the present application;
fig. 6 is a flowchart of a method for roaming call of a terminal according to embodiment 5 of the present application;
fig. 7 is a flowchart of a method for roaming call of a terminal according to embodiment 6 of the present application;
fig. 8 is a flowchart of a method for roaming call of a terminal according to embodiment 7 of the present application;
fig. 9 is a schematic diagram of a logical structure of a system for roaming call of a terminal according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Next, a method for roaming call of a terminal disclosed in the embodiment of the present application is introduced, and as shown in fig. 2, a flowchart of embodiment 1 of the method for roaming call of a terminal provided by the present application may include the following steps:
step S11, when the terminal roams to the first area, the terminal initiates a registration request carrying the terminal device information to the relay device in the first area.
In this embodiment, the terminal device information may include: ID information and local group call receiving list information.
The ID information can be understood as: identity information of the terminal.
The local group call receiving list information can be understood as: list information including information of group call services supported by the terminal.
In this embodiment, the transfer device may be, but is not limited to: a base station or a transit station.
The first region may be understood as: any one of the regions.
Step S12, if the relay device in the first area receives the registration request, look up the terminal device information in a preset access management table and an additional access table.
The preset access management table can be understood as follows: and the static management table is configured by a user in advance.
The additional access table is a dynamic access management table different from the preset access management table.
If not, go to step S13.
Step S13, adding the terminal device information to the additional access table, so that when the transit device receives a call service, it is determined whether the call service needs to be forwarded to the terminal based on the terminal device information in the additional access table.
If the terminal equipment information is not found in the preset access management table and the additional access table, the terminal equipment information is added into the additional access table, so that when the transfer equipment receives the call service, whether the call service needs to be transferred to the terminal is judged based on the terminal equipment information in the additional access table.
The process of determining whether the call service needs to be forwarded to the terminal based on the terminal device information in the additional access table may include: and judging whether group calling service information matched with the calling service exists in local group calling receiving list information in the terminal equipment information.
If yes, determining that the call service needs to be forwarded to the terminal.
In this embodiment, by dynamically adding the terminal device information to the additional access table of the transfer device in the terminal roaming area, it is not necessary to add the terminal device information to the access management tables of the transfer devices in different areas in advance, so that the transfer devices in each area are prevented from pulling up a call when the terminal is called, and the channel resource occupation of the system is reduced.
As another alternative embodiment 2 of the present application, referring to fig. 3, a flowchart of a method for roaming call of a terminal provided in embodiment 2 of the present application is shown, where this embodiment is mainly an extension of the method for roaming call of a terminal described in embodiment 1 above, and as shown in fig. 3, the method may include, but is not limited to, the following steps:
step S21, when the terminal roams to the first area, the terminal initiates a registration request carrying the terminal device information to the relay device in the first area.
The terminal equipment information comprises ID information and local group call receiving list information.
Step S22, if the relay device in the first area receives the registration request, look up the terminal device information in a preset access management table and an additional access table.
The additional access table is a dynamic access management table different from the preset access management table.
If not, go to step S23.
Step S23, adding the terminal device information to the additional access table, so that when the transit device receives a call service, it is determined whether the call service needs to be forwarded to the terminal based on the terminal device information in the additional access table.
The detailed procedures of steps S21-S23 can be found in the related descriptions of steps S11-S13 in embodiment 1, and are not repeated herein.
Step S24, when the relay device in the first area receives the call service, the relay device searches the preset access management table for device information that can receive the call service.
If not found, it indicates that the device information of the terminal capable of receiving the call service is not registered in the access management table of the relay device, in this case, the step S25 is continuously executed.
Step S25, looking up the device information that can receive the call service in the additional access table.
If the search result is found, step S26 is executed.
Step S26, transferring the call service according to the device information found in the additional access table.
When receiving a call service, the transfer device in the first area searches the device information capable of receiving the call service in the preset access management table, and searches the device information capable of receiving the call service in the additional access table under the condition that the device information capable of receiving the call service is not searched in the preset access management table, so that the device information of the terminal is searched. By searching the two tables, the call management of the conventional terminal and the dynamic roaming terminal in the area can be realized, and the resource optimization of the whole system is realized.
As another optional embodiment 3 of the present application, the method for roaming call of a terminal provided in this embodiment is applied to a terminal, and as shown in fig. 4, the method may include, but is not limited to, the following steps:
step S31, when roaming to the first area, determining whether the relay device in the area is different from the last registered relay device.
If yes, go to step S32.
And step S32, initiating a registration request to the transfer device.
The registration request comprises ID information of the terminal and group call receiving list information.
If the transfer equipment receives the registration request, searching the terminal equipment information in a preset access management table and an additional access table; and if the terminal equipment information is not found, adding the terminal equipment information into the additional access list so as to judge whether the call service needs to be forwarded to the terminal or not based on the terminal equipment information in the additional access list when the transfer equipment receives the call service.
The additional access table is a dynamic access management table different from the preset access management table.
And step S33, if receiving the registration success response message of the transit device, staying in the current area.
After the terminal stays in the current area, if the transfer device in the current area receives a call service request related to the terminal, the terminal device information can be searched in the preset access management table; if the terminal equipment information is not searched in the preset access management table, searching the terminal equipment information in the additional access table; if the calling service is found in the additional access list, transferring the calling service according to the terminal equipment information in the additional access list.
When a call service request related to the terminal is received, the terminal device information can be searched in the preset access management table; if the terminal equipment information is not searched in the preset access management table, searching the terminal equipment information in the additional access table; if the terminal device information in the additional access table is found, the detailed procedure of forwarding the call service according to the terminal device information in the additional access table may refer to the related descriptions of steps S24-S26 in embodiment 2, and details are not described here again.
Step S34, if receiving the registration failure response message of the transfer device, prompting the terminal to switch to another transfer device area, and searching for another transfer device that can be registered.
Step S35, if the registration response information of the relay device is not received, it is determined whether the number of times of sending the registration request to the relay device exceeds a set number of times.
If the number of times exceeds the set number of times, go to step S36; if the number of times does not exceed the set number of times, step S32 is repeatedly executed.
In this embodiment, the set number of times may be set as needed, and in other embodiments, the number of times may not be set, and is not limited in this embodiment.
And step S36, prompting the user that the registration fails.
Of course, if the registration response information is not received, step S32 may be repeatedly executed until the registration response information fed back by the transfer apparatus is received.
In this embodiment, when the terminal roams to the first area, it is determined whether the relay device in the first area is different from the last registered relay device to determine that the terminal is in the roaming state and needs to register in the roaming area to determine that the terminal processes the roaming state. And after initiating a registration request to the transfer device, executing corresponding operation through the registration response information fed back by the transfer device.
If the registration response information of the transfer equipment is not received, judging whether the number of times of sending the registration request to the transfer equipment exceeds the set number of times or not, if so, prompting the user that the registration fails, avoiding multiple times of invalid registration, reducing the workload of the invalid registration and improving the registration efficiency.
As another optional embodiment 4 of the present application, referring to fig. 5, a flowchart of a method for roaming call of a terminal provided in embodiment 4 of the present application is shown, where this embodiment is mainly an extension of the method for roaming call of a terminal described in embodiment 3 above, and as shown in fig. 5, the method may include, but is not limited to, the following steps:
step S41, when roaming to the first area, determining whether the relay device in the area is different from the last registered relay device.
If yes, go to step S42.
And step S42, initiating a registration request to the transfer device.
The registration request comprises ID information of the terminal and group call receiving list information.
And step S43, if receiving the registration success response message of the transit device, staying in the current area.
The detailed procedures of steps S41-S43 can be referred to the related descriptions of steps S31-S33 in embodiment 3, and are not described herein again.
Step S44, the terminal initiates a registration request to the transit device in the first area every preset time.
The preset time may be set as needed, and is not limited in this embodiment.
The terminal initiates a registration request to the relay device in the first area at preset time intervals, so that call information can be prevented from being missed after the relay device deletes the terminal device information, the terminal device information is ensured to be effective in an additional access list of the relay device during the roaming period of the area, the related call service of the terminal can be ensured to be executed smoothly, and the reliability of communication is improved.
Step S45, if receiving the registration failure response message of the transfer device, prompting the terminal to switch to another transfer device area, and searching for another transfer device that can be registered.
Step S46, if the registration response information of the relay device is not received, it is determined whether the number of times of sending the registration request to the relay device exceeds a set number of times.
If the number of times exceeds the set number of times, go to step S47; if the number of times does not exceed the set number of times, step S42 is repeatedly executed.
In this embodiment, the set number of times may be set as needed, and in other embodiments, the number of times may not be set, and is not limited in this embodiment.
And step S47, prompting the user that the registration fails.
The detailed procedures of steps S43 and S45-S47 can be referred to the related descriptions of steps S33-S36 in embodiment 3, and are not described herein again.
As another optional embodiment 5 of the present application, the method for roaming call of terminal provided in this embodiment is applied to a relay device, as shown in fig. 6, and the method may include, but is not limited to, the following steps:
step S51, receiving a registration request carrying terminal device information initiated by a terminal, where the registration request is sent by the terminal in the area to which the terminal roams to the relay device.
The terminal equipment information comprises ID information and local group call receiving list information.
And step S52, searching the terminal device information in a preset access management table and an additional access table.
The additional access table is a dynamic access management table different from the preset access management table.
If not, go to step S53.
And step S53, adding the terminal equipment information into the additional access list.
The detailed procedures of steps S52-S53 can be found in the related descriptions of steps S12-S13 in embodiment 1, and are not repeated herein.
Step S54, when receiving the call service, based on the terminal device information in the additional access table, determining whether the call service needs to be forwarded to the terminal.
When receiving a call service, the process of determining whether the call service needs to be forwarded to the terminal based on the terminal device information in the additional access table may include:
and judging whether the calling service needs to be forwarded to the terminal or not based on the terminal ID information in the additional access table.
The method can also comprise the following steps: and judging whether group call service information matched with the call service exists in the group call receiving list information of the terminal in the terminal equipment information, and if so, determining that the call service needs to be forwarded to the terminal.
In step S54, before receiving the call service based on the terminal device information in the additional access table, the method includes: and judging whether the call service needs to be forwarded or not based on the information in the preset access management table.
In this embodiment, the transit device adds the terminal device information to the additional access table, and does not need to add the terminal device information to the access management tables of the transit devices in different areas in advance, so that the transit devices in each area are prevented from pulling up a call when the terminal is called, and the channel resource occupation of the system is reduced.
As another alternative embodiment 6 of the present application, referring to fig. 7, there is provided a flowchart of a method for roaming call of a terminal according to embodiment 6 of the present application, as shown in fig. 7, the method may include, but is not limited to, the following steps:
step S61, receiving a registration request carrying terminal device information initiated by a terminal, where the registration request is sent by the terminal in the area to which the terminal roams to the relay device.
The terminal equipment information comprises ID information and local group call receiving list information.
And step S62, searching the terminal device information in a preset access management table and an additional access table.
The additional access table is a dynamic access management table different from the preset access management table.
If not, go to step S63.
And step S63, adding the terminal equipment information into the additional access list.
The detailed procedures of steps S61-S63 can be found in the related descriptions of steps S51-S53 in embodiment 5, and are not repeated herein.
And step S64, timing the storage duration of the terminal equipment information in the additional access table to obtain the timing duration.
Step S65, when the timing duration reaches a preset life cycle, setting the state of the entry of the terminal device information in the additional access table as invalid or deleting the terminal device information.
The preset life cycle may be set as needed, and is not limited in this embodiment.
In this embodiment, the storage duration of the terminal device information in the additional access table is timed to obtain the timing duration, and when the timing duration reaches a preset life cycle, the state of the entry of the terminal device information in the additional access table is set to be invalid or the terminal device information is deleted, so as to ensure the validity of the entry in the additional access table, further ensure the accuracy of forwarding the call service, avoid the problem that the roaming terminal has left the area and still occupies the resources of the transfer device when the call service is initiated, and also save the storage space of the transfer device.
As another alternative embodiment 7 of the present application, referring to fig. 8, a flowchart of a method for roaming call of a terminal provided in embodiment 7 of the present application is shown, where this embodiment is mainly an extension of the method for roaming call of a terminal described in embodiment 6 above, and as shown in fig. 8, the method may include, but is not limited to, the following steps:
step S71, receiving a registration request carrying terminal device information initiated by a terminal, where the registration request is sent by the terminal in the area to which the terminal roams to the relay device.
The terminal equipment information comprises ID information and local group call receiving list information.
And step S72, searching the terminal device information in a preset access management table and an additional access table.
The additional access table is a dynamic access management table different from the preset access management table.
If not, go to step S73.
And step S73, adding the terminal equipment information into the additional access list.
The detailed procedures of steps S61-S63 can be found in the related descriptions of steps S51-S53 in embodiment 5, and are not repeated herein.
And step S74, timing the storage duration of the terminal equipment information in the additional access table to obtain the timing duration.
Step S75, when the timing duration reaches a preset life cycle, setting the state of the entry of the terminal device information in the additional access table as invalid or deleting the terminal device information.
The detailed procedures of steps S71-S75 can be found in the related descriptions of steps S61-S65 in embodiment 6, and are not repeated herein.
And step S76, if the timing duration is in the life cycle and the registration request of the terminal is received again, the storage duration is re-timed.
If the timing duration is in the life cycle and the registration request of the terminal is received again, the storage duration is timed again, so that the service cycle can be effectively continued when the terminal still roams in the area, and the timeliness of the table entry is ensured.
The system for roaming call of terminal provided in the present application will be described next, and the system for roaming call of terminal described below and the method for roaming call of terminal described above may be referred to correspondingly.
Referring to fig. 9, the system for roaming call of a terminal may include: a terminal 11 and a relay device 12.
A terminal 11, configured to initiate a registration request carrying device information of the terminal 11 to a transit device 12 in a first area when roaming to the first area;
a relay device 12 in the first area, configured to:
if the registration request is received, searching the equipment information of the terminal 11 in a preset access management table and an additional access table;
if the call service is not found, adding the equipment information of the terminal 11 to the additional access table, so that when the forwarding equipment 12 receives the call service, whether the call service needs to be forwarded to the terminal 11 is judged based on the equipment information of the terminal 11 in the additional access table;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal 11 device information includes ID information and local group call receiving list information.
In this embodiment, the transit device 12 in the first area may further be configured to:
when the transfer device in the first area receives a call service, searching device information capable of receiving the call service in the preset access management table;
if the device information which can receive the call service is not searched in the preset access management table, the device information which can receive the call service is continuously searched in the additional access table;
if the call service is found in the additional access list, transferring the call service according to the equipment information found in the additional access list.
In another embodiment of the present application, there is provided an apparatus for a terminal roaming call, which is applied to a terminal, the apparatus including:
the first registration module is used for initiating a registration request to the transit equipment if the transit equipment in the area is judged to be different from the transit equipment registered last time when the first registration module roams to a first area; the registration request comprises ID information of a terminal and group call receiving list information;
the first judging module is used for judging whether registration response information fed back by the transfer equipment is received or not;
the stopping module is used for stopping in the current area if the registration success response message of the transfer equipment is received;
the first prompting module is used for prompting the terminal to switch to other relay equipment areas to search other relay equipment which can be registered if the registration failure response message of the relay equipment is received;
and the second judging module is used for judging whether the number of times of sending the registration request to the transfer equipment exceeds the set number of times or not if the registration response information of the transfer equipment is not received, and repeatedly executing the step of initiating the registration request to the transfer equipment if the number of times of sending the registration request to the transfer equipment does not exceed the set number of times.
A second prompting module for prompting the user that the registration fails if the set times are exceeded,
in this embodiment, the apparatus may further include:
and the second registration module is used for initiating a registration request to the transfer equipment in the first area at preset time intervals.
In another embodiment of the present application, there is provided an apparatus for a terminal roaming call, which is applied to a relay device, and includes:
a receiving module, configured to receive a registration request, which is initiated by a terminal and carries terminal device information, where the registration request is sent by the terminal in a region to which the terminal roams to the relay device;
the searching module is used for searching the terminal equipment information in a preset access management table and an additional access table;
an adding module, configured to add the terminal device information to the additional access table if the terminal device information is not found;
a judging module, configured to, when a call service is received, judge whether the call service needs to be forwarded to the terminal based on the terminal device information in the additional access table;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal equipment information comprises ID information and local group call receiving list information.
In this embodiment, the apparatus may further include:
the first timing module is used for timing the storage duration of the terminal equipment information in the additional access table to obtain the timing duration;
and the processing module is used for setting the state of the table entry of the terminal equipment information in the additional access table to be invalid or deleting the terminal equipment information when the timing duration reaches a preset life cycle.
In this embodiment, the apparatus may further include:
and the second timing module is used for re-timing the storage duration if the timing duration is in the life cycle and if the registration request of the terminal is received again.
In another embodiment of the present application, a terminal is presented, comprising: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is configured to execute the steps of the method for roaming call of a terminal as described in embodiment 3 or embodiment 4 of the above method according to the program stored in the memory.
In another embodiment of the present application, a relay apparatus is presented, including: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is configured to execute the steps of the method for roaming call of a terminal as described in any one of the embodiments 5-7 of the method according to the program stored in the memory.
It should be noted that each embodiment is mainly described as a difference from the other embodiments, and the same and similar parts between the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The method, the terminal and the transfer device for terminal roaming call provided by the present application are introduced in detail above, and a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. A method for a terminal roaming call, the method comprising:
when the terminal roams to a first area, initiating a registration request carrying terminal equipment information to transfer equipment in the first area;
if the transfer device in the first area receives the registration request, searching the terminal device information in a preset access management table and an additional access table;
if the terminal equipment information is not found, adding the terminal equipment information into the additional access list so as to enable the transfer equipment to judge whether the call service needs to be forwarded to the terminal or not based on the terminal equipment information in the additional access list when the transfer equipment receives the call service;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal equipment information comprises ID information and local group call receiving list information.
2. The method of claim 1, further comprising:
when the transfer device in the first area receives a call service, searching device information capable of receiving the call service in the preset access management table;
if the device information which can receive the call service is not searched in the preset access management table, the device information which can receive the call service is continuously searched in the additional access table;
if the call service is found in the additional access list, transferring the call service according to the equipment information found in the additional access list.
3. A method for roaming call of a terminal is applied to the terminal, and the method comprises the following steps:
when roaming to a first area, if judging that the transfer equipment in the area is different from the transfer equipment registered last time, initiating a registration request to the transfer equipment; the registration request comprises ID information of a terminal and group call receiving list information;
if a registration success response message of the transfer equipment is received, staying in the current area;
if receiving the registration failure response message of the transfer equipment, prompting the terminal to switch to other transfer equipment areas and searching other transfer equipment which can be registered;
if the registration response information of the transfer equipment is not received, judging whether the number of times of sending the registration request to the transfer equipment exceeds the set number of times, if so, prompting the user that the registration fails, and if not, repeatedly executing the step of initiating the registration request to the transfer equipment.
4. The method according to claim 3, wherein after the step of staying in the current area if the registration success response message of the transfer device is received, further comprising:
and the terminal initiates a registration request to the transfer equipment in the first area at preset time intervals.
5. A method for terminal roaming call is characterized in that the method is applied to a transfer device and comprises the following steps:
receiving a registration request which is initiated by a terminal and carries terminal equipment information, wherein the registration request is sent by the terminal in a region where the terminal roams to the transfer equipment;
searching the terminal equipment information in a preset access management table and an additional access table;
if the terminal equipment information is not found, adding the terminal equipment information into the additional access list;
when a call service is received, judging whether the call service needs to be forwarded to the terminal or not based on the terminal equipment information in the additional access table;
the additional access table is a dynamic access management table different from the preset access management table;
the terminal equipment information comprises ID information and local group call receiving list information.
6. The method of claim 5, wherein after adding the terminal device information to the additional access table, further comprising:
timing the storage duration of the terminal equipment information in the additional access table to obtain timing duration;
and when the timing duration reaches a preset life cycle, setting the state of the table entry of the terminal equipment information in the additional access table as invalid or deleting the terminal equipment information.
7. The method of claim 6, further comprising:
if the timing duration is within the life cycle, if the registration request of the terminal is received again, the storage duration is timed again.
8. A relay device, comprising: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is configured to execute the steps of the method for roaming call of terminal according to any one of claims 5-7 according to the program stored in the memory.
9. A terminal, comprising: a processor, a memory, and a data bus through which the processor and the memory communicate;
the memory is used for storing programs;
the processor is used for executing the steps of the method for roaming call of terminal according to the program stored in the memory, and the steps are defined in claims 3-4.
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| CN202010467161.7A CN113747417A (en) | 2020-05-28 | 2020-05-28 | Method for terminal roaming call, terminal and transfer equipment |
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| CN202010467161.7A CN113747417A (en) | 2020-05-28 | 2020-05-28 | Method for terminal roaming call, terminal and transfer equipment |
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