CN105916166A - Conversation control method and device under mobile communication network and mobile terminal - Google Patents

Abstract

The present invention proposes a call control method, device, and mobile terminal under a mobile communication network. The call control method under the mobile communication network includes: receiving a paging request from a calling terminal, and judging the fallback cell and the called cell of the paging request. Whether the terminal location area belongs to the same mobile switching center; if the fallback cell and the called terminal location area do not belong to the same mobile switching center, then time and record the paging request; when the timing time does not exceed the preset time, read the record paging request, and initiate a location update request to update the location area of the called terminal; determine whether the location area of the called terminal is successfully updated; when the location area of the called terminal is successfully updated, establish the calling terminal and The call connection of the called terminal. Through the present invention, the connection probability of the paging request can be improved, and the use experience of the user can be effectively improved.

Description

Call control method, device and mobile terminal under mobile communication network

technical field

The invention relates to the technical field of communication, in particular to a call control method and device under a mobile communication network.

Background technique

The mobile communication network has experienced the evolution from 2G network, 3G network, to 4G network. The 4G network adopts CSFB (Circuit Switched Fallback, circuit domain fallback) as a solution for circuit switched services. In related technologies, when the calling terminal sends a paging request to the network side (China Unicom, China Telecom or China Mobile), and the network side performs CSFB, if the CSFB fails to fall back, the network side will control the end of the call through its own process protection mechanism. , the paging request initiated by the calling terminal has a low probability of being connected, and the user's call experience is poor.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

Therefore, an object of the present invention is to provide a call control method in a mobile communication network, which can increase the probability of connecting a paging request and effectively improve user experience.

Another object of the present invention is to provide a call control device in a mobile communication network.

Another object of the present invention is to provide a mobile terminal.

In order to achieve the above object, the call control method under the mobile communication network proposed by the embodiment of the first aspect of the present invention includes: receiving the paging request of the calling terminal, and judging the fallback cell and the location area of the called terminal of the paging request Whether they belong to the same mobile switching center; if the fallback cell and the called terminal location area do not belong to the same mobile switching center, then perform timing and record the paging request; when the timing time does not exceed the preset time, Read the recorded paging request, and initiate a location update request to update the location area of the called terminal; determine whether the location area of the called terminal is updated successfully; update the location area of the called terminal successfully , establishing a call connection between the calling terminal and the called terminal according to the paging request.

The call control method under the mobile communication network proposed by the embodiment of the first aspect of the present invention, by timing and recording the paging request when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, When the timing time does not exceed the preset time, read the recorded paging request and initiate a location update request. When the location area of the called terminal is updated successfully, establish a call connection between the calling terminal and the called terminal, which can improve the paging process. The connection probability of the call request can effectively improve the user experience.

In order to achieve the above purpose, the call control device under the mobile communication network proposed by the second aspect of the present invention includes: a receiving module, configured to receive a paging request from a calling terminal, and determine the fallback cell and Whether the location area of the called terminal belongs to the same mobile switching center; the recording module is used to count and record the paging request if the fallback cell and the location area of the called terminal do not belong to the same mobile switching center; An update module, configured to read the recorded paging request when the counted time does not exceed a preset time, and initiate a location update request to update the location area of the called terminal; a first judging module, configured to Judging whether the location area of the called terminal is successfully updated; a control module configured to establish a call connection between the calling terminal and the called terminal according to the paging request when the location area of the called terminal is successfully updated .

The call control device under the mobile communication network proposed by the embodiment of the second aspect of the present invention, by timing and recording the paging request when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, When the timing time does not exceed the preset time, read the recorded paging request and initiate a location update request. When the location area of the called terminal is updated successfully, establish a call connection between the calling terminal and the called terminal, which can improve the paging process. The connection probability of the call request can effectively improve the user experience.

To achieve the above object, the mobile terminal proposed in the embodiment of the third aspect of the present invention includes: a housing, a processor, a memory, a circuit board and a power supply circuit, wherein the circuit board is placed inside the space enclosed by the housing, and the processor and The memory is set on the circuit board; the power supply circuit is used to supply power to various circuits or devices of the mobile terminal; the memory is used to store executable program code; the processor runs and executes the program by reading the executable program code stored in the memory The program corresponding to the code is used to execute: receive the paging request of the calling terminal, and judge whether the fallback cell of the paging request and the called terminal location area belong to the same mobile switching center; if the fallback cell and the called terminal location area belong to the same mobile switching center; If the location area of the called terminal does not belong to the same mobile switching center, perform timing and record the paging request; when the timing time does not exceed the preset time, read the recorded paging request and initiate a location update request , so as to update the location area of the called terminal; judge whether the location area of the called terminal is successfully updated; when the location area of the called terminal is successfully updated, establish the calling terminal and The call connection of the called terminal.

The mobile terminal proposed in the embodiment of the third aspect of the present invention, by timing and recording the paging request when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, when the timing time does not exceed the preset Time, read the recorded paging request, and initiate a location update request, when the location area of the called terminal is updated successfully, establish a call connection between the calling terminal and the called terminal, which can improve the probability of connecting the paging request , effectively improving the user experience.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic flow diagram of a call control method under a mobile communication network proposed by an embodiment of the present invention;

FIG. 2 is a schematic flowchart of a call control method under a mobile communication network proposed by another embodiment of the present invention;

Fig. 3 is a schematic flowchart of a call control method under a mobile communication network proposed by another embodiment of the present invention;

Fig. 4 is a schematic flowchart of a call control method under a mobile communication network proposed by another embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a call control device under a mobile communication network proposed by another embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a call control device in a mobile communication network according to another embodiment of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

FIG. 1 is a schematic flowchart of a call control method in a mobile communication network proposed by an embodiment of the present invention. This embodiment is described by taking the call control method under the mobile communication network as an example configured in a call control device under the mobile communication network.

Referring to Figure 1, the method includes:

S11: Receive the paging request from the calling terminal, and judge whether the fallback cell of the paging request and the location area of the called terminal belong to the same mobile switching center.

The execution subject of the embodiment of the present invention is the called terminal operator side, which may also be referred to as the network side.

Wherein, the called terminal is a mobile terminal receiving the paging request. The calling terminal is the mobile terminal that initiates the paging request. The operator side of the called terminal, such as China Mobile, China Unicom or China Telecom.

Mobile terminals can be smart phones, tablet computers, personal digital assistants, e-books, and other hardware devices with various operating systems.

After the called terminal accesses the mobile communication network, the network side may store the location area of the called terminal in advance as the location information for paging the called terminal in the future.

Specifically, after the calling terminal and the called terminal access the mobile communication network, the user can initiate a paging request to the network side through a voice call application program, or through other shortcuts (such as inputting the communication number of the called terminal) The paging request is sent to the network side, and after receiving the paging request, the network side performs CS fallback processing on the paging request, which is not limited here.

Taking the user inputting the communication number of the called terminal on the calling terminal side to trigger the calling terminal to initiate a paging request to the called terminal as an example, when the network side receives the paging request from the calling terminal to the called terminal, the network side According to the paging request, a paging request is initiated to the called terminal, wherein the paging request may include the communication number of the calling terminal and the communication number of the called terminal.

According to the implementation specification of the paging request on the network side, the network side will obtain the corresponding fallback cell according to the paging request. The call connection between the terminal and the called terminal, and in the embodiment of the present invention, when the network side judges that the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, it will time and record the paging request, which can Real-time response is made when the fallback cell and the location area of the called terminal do not belong to the same mobile switching center, effectively reducing the probability of paging failure.

In some embodiments, referring to FIG. 2, before S11, the method includes:

S21: Enable the CS domain fallback processing function of the called terminal.

S12: If the fallback cell and the location area of the called terminal do not belong to the same mobile switching center, perform timing and record the paging request.

When the network side judges that the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, it can start a timer for timing, and record the paging request through the recording module. In addition, after the timer is turned on for timing, a preset time may also be set, for example, 30s, which is not limited here.

S13: When the timing time does not exceed the preset time, read the recorded paging request, and initiate a location update request, so as to update the location area of the called terminal.

In the embodiment of the present invention, when the counting time does not exceed the preset time, the network side can read the paging request from the recording module, and use the location update (Location Update, LU) technology to initiate a location update request, and pre-store the paging request on the network side. The location area of the called terminal is updated, so as to perform Circuit Switched Fallback (CSFB) on the paging request again, so as to establish a call connection between the calling terminal and the called terminal.

In some embodiments, referring to FIG. 3, after S12, the method includes:

S31: When the counted time exceeds the preset time, the control call ends.

In the embodiment of the present invention, when the counted time exceeds the preset time, the network side does not perform CSFB processing on the paging request, controls the call between the calling terminal and the called terminal to end, and the registration of the paging request initiated by the calling terminal fails.

S14: Determine whether the location area of the called terminal is updated successfully.

The network side can judge whether the location area of the called terminal is successfully updated, that is, the network side judges whether to update the location area of the called terminal to the same mobile switching center as the fallback cell of the paging request, and the network side judges whether the location area of the called terminal belongs to the same MSC. After the terminal location area is updated, execute S15.

S15: When the location area of the called terminal is updated successfully, establish a call connection between the calling terminal and the called terminal according to the paging request.

In some embodiments, referring to FIG. 4, after S14, the method includes:

S41: When the location area of the called terminal is not updated successfully, determine whether the timing time exceeds a preset time.

Optionally, after the network side initiates a location update request for the first time, after updating the location area of the called terminal stored in advance on the network side, if the location area of the called terminal is not updated successfully, it can further determine whether the timing time exceeds the preset time. During this period, S42 can be triggered when an abnormality occurs in the CSFB process and the location area update of the called terminal fails.

S42: When the timing time does not exceed the preset time, repeatedly read the recorded paging request, and initiate a location update request again.

Optionally, when an exception occurs in the CSFB process and the location area update of the called terminal fails, the network side can repeatedly read the recorded paging request and initiate a location update request again until the location update of the called terminal succeeds, according to The paging request establishes a call connection between the calling terminal and the called terminal. By taking measures to respond in real time when the CSFB process is abnormal and the location area update of the called terminal is unsuccessful, the call completion rate of the called terminal is increased, the user's call experience is improved, and the calling terminal user can be avoided due to call failure. Exit.

In this embodiment, when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, timing is performed and the paging request is recorded, and when the timing time does not exceed the preset time, the recorded paging request, and initiate a location update request, when the location area of the called terminal is successfully updated, establish a call connection between the calling terminal and the called terminal, which can increase the probability of connecting the paging request and effectively improve the user experience.

Fig. 5 is a schematic structural diagram of a call control device in a mobile communication network according to another embodiment of the present invention.

Referring to FIG. 5 , the device 50 includes: a receiving module 501 , a recording module 502 , an updating module 503 , a first judgment module 504 , and a control module 505 . in,

The receiving module 501 is configured to receive a paging request from a calling terminal, and determine whether the fallback cell of the paging request and the location area of the called terminal belong to the same mobile switching center.

The recording module 502 is configured to perform timing and record the paging request if the fallback cell and the location area of the called terminal do not belong to the same mobile switching center.

The update module 503 is configured to read the recorded paging request and initiate a location update request to update the location area of the called terminal when the timing time does not exceed the preset time.

The first judging module 504 is configured to judge whether the location area of the called terminal is updated successfully.

In some embodiments, referring to FIG. 6 , the device 50 further includes: a second judging module 506 .

The second judging module 506 is configured to judge whether the counted time exceeds a preset time when the location area of the called terminal is not updated successfully.

The update module 503 is further configured to repeatedly read the recorded paging request and initiate a location update request again when the counted time does not exceed the preset time.

The control module 505 is configured to establish a call connection between the calling terminal and the called terminal according to the paging request when the location area of the called terminal is successfully updated.

Optionally, the control module is also used for: when the timing time exceeds the preset time, control the end of the call.

In some embodiments, referring to FIG. 6 , the device 50 further includes: an opening module 507 .

The enabling module 507 is configured to enable the CS fallback processing function of the called terminal.

It should be noted that the foregoing explanations of the embodiment of the call control method under the mobile communication network are also applicable to the call control device 50 under the mobile communication network of this embodiment, and its implementation principle is similar, so it will not be repeated here.

In this embodiment, when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, timing is performed and the paging request is recorded, and when the timing time does not exceed the preset time, the recorded paging request, and initiate a location update request, when the location area of the called terminal is successfully updated, establish a call connection between the calling terminal and the called terminal, which can increase the probability of connecting the paging request and effectively improve the user experience.

An embodiment of the present invention also provides a mobile terminal, which includes a housing, a processor, a memory, a circuit board, and a power supply circuit, wherein the circuit board is placed inside the space enclosed by the housing, and the processor and the memory are arranged in On the circuit board; the power supply circuit is used to supply power to each circuit or device of the mobile terminal; the memory is used to store the executable program code; the processor runs the program corresponding to the executable program code by reading the executable program code stored in the memory program to execute:

S11': Receive the paging request from the calling terminal, and judge whether the fallback cell of the paging request and the location area of the called terminal belong to the same mobile switching center.

The execution subject of the embodiment of the present invention is the called terminal operator side, which may also be referred to as the network side.

Wherein, the called terminal is a mobile terminal receiving the paging request. The calling terminal is the mobile terminal that initiates the paging request. The operator side of the called terminal, such as China Mobile, China Unicom or China Telecom.

Mobile terminals can be smart phones, tablet computers, personal digital assistants, e-books, and other hardware devices with various operating systems.

After the called terminal accesses the mobile communication network, the network side may store the location area of the called terminal in advance as the location information for paging the called terminal in the future.

Specifically, after the calling terminal and the called terminal access the mobile communication network, the user can initiate a paging request to the network side through a voice call application program, or through other shortcuts (such as inputting the communication number of the called terminal) The paging request is sent to the network side, and after receiving the paging request, the network side performs CS fallback processing on the paging request, which is not limited here.

Taking the user inputting the communication number of the called terminal on the calling terminal side to trigger the calling terminal to initiate a paging request to the called terminal as an example, when the network side receives the paging request from the calling terminal to the called terminal, the network side According to the paging request, a paging request is initiated to the called terminal, wherein the paging request may include the communication number of the calling terminal and the communication number of the called terminal.

According to the implementation specification of the paging request on the network side, the network side will obtain the corresponding fallback cell according to the paging request. The call connection between the terminal and the called terminal, and in the embodiment of the present invention, when the network side judges that the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, it will time and record the paging request, which can Real-time response is made when the fallback cell and the location area of the called terminal do not belong to the same mobile switching center, effectively reducing the probability of paging failure.

In another embodiment, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to execute:

S21': Enable the CS domain fallback processing function of the called terminal.

S12': If the fallback cell and the location area of the called terminal do not belong to the same mobile switching center, then perform timing and record the paging request.

When the network side judges that the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, it can start a timer for timing, and record the paging request through the recording module. In addition, after the timer is turned on for timing, a preset time may also be set, for example, 30s, which is not limited here.

S13': When the timing time does not exceed the preset time, read the recorded paging request, and initiate a location update request to update the location area of the called terminal.

In the embodiment of the present invention, when the counting time does not exceed the preset time, the network side can read the paging request from the recording module, and use the location update (Location Update, LU) technology to initiate a location update request, and pre-store the paging request on the network side. The location area of the called terminal is updated, so as to perform Circuit Switched Fallback (CSFB) on the paging request again, so as to establish a call connection between the calling terminal and the called terminal.

In another embodiment, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to execute:

S31': When the timing time exceeds the preset time, the control call ends.

In the embodiment of the present invention, when the counted time exceeds the preset time, the network side does not perform CSFB processing on the paging request, controls the call between the calling terminal and the called terminal to end, and the registration of the paging request initiated by the calling terminal fails.

S14': Determine whether the location area of the called terminal is updated successfully.

The network side can judge whether the location area of the called terminal is successfully updated, that is, the network side judges whether to update the location area of the called terminal to the same mobile switching center as the fallback cell of the paging request, and the network side judges whether the location area of the called terminal belongs to the same MSC. After the terminal location area is updated, execute S15'.

S15': When the location area of the called terminal is successfully updated, establish a call connection between the calling terminal and the called terminal according to the paging request.

In another embodiment, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to execute:

S41': When the location area of the called terminal is not updated successfully, determine whether the timing time exceeds the preset time.

Optionally, after the network side initiates a location update request for the first time, after updating the location area of the called terminal stored in advance on the network side, if the location area of the called terminal is not updated successfully, it can further determine whether the timing time exceeds the preset time. During this period, S42' can be executed when an abnormality occurs in the CSFB process and the location area update of the called terminal fails.

S42': When the timing time does not exceed the preset time, repeatedly read the recorded paging request, and initiate a location update request again.

Optionally, when an exception occurs in the CSFB process and the location area update of the called terminal fails, the network side can repeatedly read the recorded paging request and initiate a location update request again until the location update of the called terminal succeeds, according to The paging request establishes a call connection between the calling terminal and the called terminal. By taking measures to respond in real time when CSFB processing is abnormal and the location area update of the called terminal fails, the call completion rate of the called terminal is increased, the user's call experience is improved, and the calling terminal user can be prevented from being lost due to call failure. Exit.

In this embodiment, when the fallback cell of the paging request and the location area of the called terminal do not belong to the same mobile switching center, timing is performed and the paging request is recorded, and when the timing time does not exceed the preset time, the recorded paging request, and initiate a location update request, when the location area of the called terminal is successfully updated, establish a call connection between the calling terminal and the called terminal, which can increase the probability of connecting the paging request and effectively improve the user experience.

It should be noted that, in the description of the present invention, the terms "first", "second" and so on are only used for description purposes, and should not be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

Any process or method descriptions in flowcharts or otherwise described herein may be understood to represent modules, segments or portions of code comprising one or more executable instructions for implementing specific logical functions or steps of the process , and the scope of preferred embodiments of the invention includes alternative implementations in which functions may be performed out of the order shown or discussed, including substantially concurrently or in reverse order depending on the functions involved, which shall It is understood by those skilled in the art to which the embodiments of the present invention pertain.

It should be understood that various parts of the present invention can be realized by hardware, software, firmware or their combination. In the embodiments described above, various steps or methods may be implemented by software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques known in the art: Discrete logic circuits, ASICs with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

Those of ordinary skill in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. During execution, one or a combination of the steps of the method embodiments is included.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing module, each unit may exist separately physically, or two or more units may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. If the integrated modules are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (9)

1. A call control method under a mobile communication network is characterized by comprising the following steps:

receiving a paging request of a calling terminal, and judging whether a fallback zone of the paging request and a called terminal location zone belong to the same mobile switching center;

if the fallback area and the called terminal location area do not belong to the same mobile switching center, timing and recording the paging request;

when the timing time does not exceed the preset time, reading the recorded paging request and initiating a position updating request to update the called terminal position area;

judging whether the called terminal location area is updated successfully or not;

and when the location area of the called terminal is updated successfully, establishing the call connection between the calling terminal and the called terminal according to the paging request.

2. The call control method under the mobile communication network according to claim 1, wherein after said timing and recording said paging request, further comprising:

and when the timing time exceeds the preset time, controlling the conversation to be ended.

3. The call control method under the mobile communication network as claimed in claim 1, wherein after said determining whether the location area of the called terminal is updated successfully, further comprising:

when the called terminal location area is not updated successfully, judging whether the timing time exceeds the preset time or not;

and when the timing time does not exceed the preset time, repeatedly reading the recorded paging request, and initiating a location updating request again.

4. The call control method under the mobile communication network according to claim 1, wherein before said receiving the paging request of the calling terminal, further comprising:

and starting a circuit switched fallback processing function of the called terminal.

5. A call control device in a mobile communication network, comprising:

a receiving module, configured to receive a paging request of a calling terminal, and determine whether a fallback area of the paging request and a location area of a called terminal belong to the same mobile switching center;

a recording module, configured to time and record the paging request if the fallback cell and the called terminal location area do not belong to the same mobile switching center;

the updating module is used for reading the recorded paging request and initiating a position updating request to update the position area of the called terminal when the timing time does not exceed the preset time;

the first judging module is used for judging whether the called terminal location area is updated successfully;

and the control module is used for establishing the call connection between the calling terminal and the called terminal according to the paging request when the location area of the called terminal is updated successfully.

6. The call control apparatus under a mobile communication network of claim 5, wherein the control module is further configured to:

and when the timing time exceeds the preset time, controlling the conversation to be ended.

7. The call control apparatus under a mobile communication network according to claim 5, further comprising:

the second judgment module is used for judging whether the timing time exceeds the preset time or not when the called terminal location area is not updated successfully;

and the updating module is also used for repeatedly reading the recorded paging request and initiating a location updating request again when the timing time does not exceed the preset time.

8. The call control apparatus under a mobile communication network according to claim 5, further comprising:

and the starting module is used for starting the circuit switched fallback processing function of the called terminal.

9. A mobile terminal, comprising:

a housing;

a processor;

a memory;

a circuit board and a power supply circuit;

the circuit board is arranged in a space enclosed by the shell, and the processor and the memory are arranged on the circuit board; the power supply circuit is used for supplying power to each circuit or device of the mobile terminal; the memory is used for storing executable program codes; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing:

receiving a paging request of a calling terminal, and judging whether a fallback zone of the paging request and a called terminal location zone belong to the same mobile switching center;

if the fallback area and the called terminal location area do not belong to the same mobile switching center, timing and recording the paging request;

when the timing time does not exceed the preset time, reading the recorded paging request and initiating a position updating request to update the called terminal position area;

judging whether the called terminal location area is updated successfully or not;

and when the location area of the called terminal is updated successfully, establishing the call connection between the calling terminal and the called terminal according to the paging request.