CN115348550A

CN115348550A - Roaming short message service implementation method, device, system, electronic equipment and medium

Info

Publication number: CN115348550A
Application number: CN202211001201.4A
Authority: CN
Inventors: 马丽妮; 张冬梅; 毛安平
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-15

Abstract

The disclosure provides a method, a device, a system, electronic equipment and a medium for realizing a roaming short message service, and relates to the field of network technology and security technology. The method comprises the following steps: obtaining MAP information, wherein the MAP information is sent by a first VoLTE user roaming into a GSM network; converting the MAP message into a SIP message; and sending the SIP message to a VoLTE short message center so as to enable a second VoLTE user positioned in the VoLTE network to receive the SIP message, wherein the second VoLTE user is a target user for sending the short message to the first VoLTE user. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolving, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

Description

Roaming short message service implementation method, device, system, electronic equipment and medium

Technical Field

The present disclosure relates to the field of network technologies and security technologies, and in particular, to a method, an apparatus, a system, an electronic device, and a computer-readable storage medium for implementing a roaming short message service.

Background

Currently, domestic Mobile users mainly use a Voice over Long-Term Evolution (VoLTE) network, and many foreign countries still use a 2/3G Global System for Mobile Communications (GSM) network. For the short message service that the VoLTE user roams to the foreign GSM network, the short message service needs to be realized by using a C network device, and the C network is a CDMA (Code Division Multiple Access) network, thereby increasing the time delay, consuming the C network resources, and affecting the subsequent network quitting progress of the C network.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

The invention provides a method, a device, a system, electronic equipment and a medium for realizing a roaming short message service, which at least overcome the problems of time delay increase, C network resource consumption and influence on subsequent network exit progress of a C network to a certain extent.

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

According to one aspect of the present disclosure, a method for implementing a roaming short message service is provided, which is applied to a roaming short message gateway side, and includes: obtaining a MAP message, wherein the MAP message is sent by a first VoLTE user roaming into a GSM network; converting the MAP message into a SIP message; and sending the SIP message to a VoLTE short message center so as to enable a second VoLTE user positioned in the VoLTE network to receive the SIP message, wherein the second VoLTE user is a target user for sending short messages to the first VoLTE user.

In one embodiment of the present disclosure, before the acquiring the MAP message, the method further includes: and the first VoLTE user roaming to the GSM network carries out third party registration. In an embodiment of the present disclosure, the performing third party registration for the first VoLTE subscriber roaming to the GSM network includes: receiving basic information of the first VoLTE user; transmitting the basic information to a telephone number mapping/domain name system (ENUM/DNS); receiving identification information of a VoLTE short message center signed by a first VoLTE user and sent by an ENUM/DNS, wherein the identification information of the VoLTE short message center is generated by the ENUM/DNS according to the basic information; sending a third party registration request to a VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center so that the VoLTE short message center completes third party registration; and receiving a third party registration response returned by the VoLTE short message center.

In one embodiment of the present disclosure, the identification information of the VoLTE short message center is generated by ENUM/DNS according to the basic information, including: ENUM/DNS obtains user domain name according to the basic information; and the ENUM/DNS obtains the identification information of the VoLTE short message center signed by the first VoLTE user according to the user domain name.

In an embodiment of the present disclosure, the MAP message carries a phone number of a first VoLTE user; before the sending the SIP message to the VoLTE short message center, the method further comprises: initiating a query request to an ENUM/DNS according to the telephone number of a first VoLTE user; acquiring identification information of a VoLTE short message center; the sending the SIP message to the VoLTE short message center comprises: and sending the SIP message to a VoLTE short message center according to the identification information of the VoLTE short message center.

According to another aspect of the present disclosure, a roaming short message service implementation method is provided, which is applied to a VoLTE short message center side, and the method includes: the method comprises the steps that SIP information is obtained through conversion of a roaming short message gateway according to MAP information, and the MAP information is sent by a first VoLTE user roaming into a GSM network; and sending the SIP message to a second VoLTE user in the VoLTE network, wherein the second VoLTE user is a target user for sending a short message to the first VoLTE user.

According to still another aspect of the present disclosure, there is provided a method for implementing a roaming short message service, which is applied to a roaming short message gateway side, the method including: the method comprises the steps of obtaining an SIP message sent by a VoLTE short message center, wherein the SIP message is sent by a second VoLTE user in a VoLTE network; converting the SIP message into a MAP message; and sending the MAP message to a first VoLTE user roaming to a GSM network, wherein the first VoLTE user is a target user for sending short messages to a second VoLTE user.

In an embodiment of the present disclosure, the sending the MAP message to the first VoLTE subscriber roaming into the GSM network includes: and sending the MAP message to a mobile switching center/visitor location register (MSC/VLR) through a GSM signaling network so that the MSC/VLR sends the MAP message to the first VoLTE user.

In an embodiment of the present disclosure, before the acquiring the SIP message sent by the VoLTE short message center, the SIP message being sent by a second VoLTE user located in the VoLTE network, the method further includes: a first VoLTE subscriber roaming to a GSM network performs a third party registration.

In an embodiment of the present disclosure, the third party registration of the first VoLTE subscriber roaming to the GSM network includes: receiving basic information of the first VoLTE user; transmitting the basic information to a telephone number mapping/domain name system (ENUM/DNS); receiving identification information of a VoLTE short message center signed by a first VoLTE user and sent by ENUM/DNS, wherein the identification information of the VoLTE short message center is generated by the ENUM/DNS according to the basic information; sending a third party registration request to a VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center so as to enable the VoLTE short message center to complete third party registration; and receiving a third party registration response returned by the VoLTE short message center.

According to another aspect of the present disclosure, a method for implementing a roaming short message service is provided, where the method is applied to a VoLTE short message center side, and the method includes: and sending an SIP message to a roaming short message gateway, wherein the SIP message is sent by a second VoLTE user in a VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message, and sends the MAP message to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages by the second VoLTE user.

According to still another aspect of the present disclosure, there is provided a roaming short message service implementation apparatus, applied to a roaming short message gateway side, including an MAP message acquisition module, a first message conversion module, and a first SIP message sending module, wherein: the MAP information acquisition module is used for acquiring MAP information which is sent by a first VoLTE user roaming to a GSM network; a first message conversion module, configured to convert the MAP message into an SIP message; and the first SIP message sending module is used for sending the SIP message to a VoLTE short message center so as to enable a second VoLTE user positioned in the VoLTE network to receive the SIP message, wherein the second VoLTE user is a target user for sending the short message by the first VoLTE user.

According to another aspect of the present disclosure, a roaming short message service implementation apparatus is provided, which is applied to a VoLTE short message center side, and includes a first SIP message obtaining module and a second SIP message sending module, where: the first SIP message acquisition module is used for acquiring SIP messages, the SIP messages are obtained by a roaming short message gateway according to MAP message conversion, and the MAP messages are sent by a first VoLTE user roaming into a GSM network; and the second SIP message sending module is used for sending the SIP message to a second VoLTE user in the VoLTE network, and the second VoLTE user is a target user for sending the short message by the first VoLTE user.

According to another aspect of the present disclosure, a roaming short message service implementation apparatus is provided, which is applied to a roaming short message gateway side, and includes a second SIP message acquisition module, a second message conversion module, and a MAP message sending module, where: the second SIP message acquisition module is used for acquiring the SIP message sent by the VoLTE short message center, and the SIP message is sent by a second VoLTE user in the VoLTE network; a second message conversion module, configured to convert the SIP message into a MAP message; and the MAP message sending module is used for sending the MAP message to a first VoLTE user roaming to a GSM network, wherein the first VoLTE user is a target user for sending short messages to a second VoLTE user.

According to another aspect of the present disclosure, a roaming short message service implementation apparatus is provided, which is applied to a VoLTE short message center side, and includes a third SIP message sending module, where: and the third SIP message sending module is used for sending an SIP message to a roaming short message gateway, wherein the SIP message is sent by a second VoLTE user in a VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to a first VoLTE user roaming into a GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

According to still another aspect of the present disclosure, there is provided a roaming short message service implementation system, including a roaming short message gateway and a VoLTE short message center, wherein: the roaming short message gateway is used for acquiring the MAP message, and the MAP message is sent by a first VoLTE user roaming into the GSM network; converting the MAP message into a SIP message; the SIP message is sent to a VoLTE short message center, so that a second VoLTE user located in a VoLTE network receives the SIP message, and the second VoLTE user is a target user for sending a short message to the first VoLTE user; the VoLTE short message center is used for acquiring SIP messages, the SIP messages are obtained by a roaming short message gateway according to MAP message conversion, and the MAP messages are sent by a first VoLTE user roaming into a GSM network; the SIP message is sent to a second VoLTE user located in the VoLTE network, and the second VoLTE user is a target user for sending a short message to the first VoLTE user; alternatively, the first and second liquid crystal display panels may be,

the roaming short message gateway is used for acquiring an SIP message sent by a VoLTE short message center, wherein the SIP message is sent by a second VoLTE user in a VoLTE network; converting the SIP message into a MAP message; the MAP message is sent to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to a second VoLTE user; the VoLTE short message center is used for sending an SIP message to a roaming short message gateway, wherein the SIP message is sent by a second VoLTE user in a VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

According to still another aspect of the present disclosure, there is provided an electronic device including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to execute the above roaming short message service implementation method by executing the executable instructions.

According to still another aspect of the present disclosure, there is provided a computer-readable storage medium having a computer program stored thereon, the computer program implementing the roaming short message service implementation method described above when executed by a processor.

According to still another aspect of the present disclosure, there is provided a computer program product comprising a computer program or computer instructions, which is loaded and executed by a processor, so as to enable a computer to implement any one of the above-mentioned roaming short message service implementation methods.

The method, the device, the system, the electronic equipment and the medium for realizing the roaming short message service acquire the MAP message sent by the user roaming to the GSM network, convert the MAP message into the SIP message, and send the SIP message to the VoLTE short message center, so that the user in the VoLTE network receives the SIP message. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolution, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

FIG. 1 shows a schematic diagram of a system architecture in an embodiment of the present disclosure;

fig. 2 is a flowchart illustrating a method for implementing a roaming short message service in an embodiment of the present disclosure;

fig. 3 is a flowchart illustrating a method for implementing a roaming short message service in another embodiment of the present disclosure;

fig. 4 is a flowchart illustrating a method for implementing a roaming short message service according to another embodiment of the disclosure;

fig. 5 is a flowchart illustrating a method for implementing a roaming short message service in another embodiment of the present disclosure;

fig. 6 is a schematic diagram illustrating a roaming short message gateway architecture in an embodiment of the disclosure;

fig. 7 shows a signaling diagram of a third party registration by a first VoLTE user in an embodiment of the disclosure;

fig. 8 is a signaling diagram illustrating a roaming short message service implementation method in an embodiment of the present disclosure;

fig. 9 is a signaling diagram illustrating a roaming short message service implementing method according to another embodiment of the present disclosure;

fig. 10 is a schematic diagram illustrating an apparatus for implementing roaming short message service in an embodiment of the present disclosure;

fig. 11 is a schematic diagram illustrating a roaming short message service implementing apparatus according to another embodiment of the present disclosure;

fig. 12 is a schematic diagram illustrating a roaming short message service implementing apparatus according to still another embodiment of the present disclosure;

fig. 13 is a schematic diagram illustrating a roaming short message service implementing apparatus according to another embodiment of the disclosure;

fig. 14 shows a block diagram of an electronic device in an embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.

The following detailed description of embodiments of the disclosure is made with reference to the accompanying drawings.

Fig. 1 is a schematic diagram illustrating an exemplary system architecture of a roaming short message service implementing method or a roaming short message service implementing apparatus, which may be applied to an embodiment of the present disclosure.

As shown in fig. 1, the system architecture may include a roaming short message gateway 101, a VoLTE short message center 102, a VoLTE subscriber 103 located in the VoLTE network, and a VoLTE subscriber 104 located in the GSM network, where the VoLTE subscriber 104 located in the GSM network communicates with the roaming short message gateway 101 through a GSM signaling network using a terminal device, and the VoLTE subscriber 103 located in the VoLTE network communicates with the roaming short message gateway 101 through the VoLTE short message center 102 using a terminal device.

The terminal device may be a variety of electronic devices including, but not limited to, a smartphone, a tablet, a laptop portable computer, a desktop computer, a wearable device, an augmented reality device, a virtual reality device, and the like.

Optionally, the clients of the applications installed in different terminal devices are the same, or clients of the same type of application based on different operating systems. The specific form of the application client may also be different based on different terminal platforms, for example, the application client may be a mobile phone client, a PC client, or the like.

In the related art, domestic mobile users mainly use a VoLTE network, and many foreign countries still use a 2/3G GSM network. For international roaming short message service, CDMA _ to _ GSM roaming gateway is still used. If the roaming user is a local network VoLTE user, the service needs to revolve through the C network, so that the time delay is increased, and meanwhile, the service volume of the C network is increased, and the network exit progress of the C network is influenced.

The embodiment of the present disclosure provides a method for implementing roaming short message service, wherein a roaming short message gateway 101 acquires a MAP message, and the MAP message is sent by a VoLTE user 104 roaming into a GSM network; the roaming short message gateway 101 converts the MAP message into an SIP message; the roaming short message gateway 101 sends a SIP message to the VoLTE short message center so that the VoLTE user 103 located in the VoLTE network receives the SIP message. The method can be applied to the scene of short message service in which a VoLTE user or a VoNR (Voice over New Radio, a video and telephony) user roams to a GSM network. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolution, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

Those skilled in the art will appreciate that the number of roaming short message gateways 101, voLTE short message centers 102, voLTE subscribers 103 located in the VoLTE network, and VoLTE subscribers 104 located in the GSM network in fig. 1 are merely illustrative, and that any number of roaming short message gateways 101, voLTE short message centers 102, voLTE subscribers 103 located in the VoLTE network, and VoLTE subscribers 104 located in the GSM network may be provided as needed. The embodiments of the present disclosure do not limit this.

Under the system architecture, the embodiment of the present disclosure provides a method for implementing a roaming short message service, which may be executed by any electronic device with computing processing capability. In some embodiments, the method for implementing the roaming short message service provided in the embodiments of the present disclosure may be implemented in the roaming short message gateway 101 or the VoLTE short message center 102 shown in fig. 1.

Fig. 2 illustrates a method for implementing a roaming short message service in an embodiment of the present disclosure, and as shown in fig. 2, the method for implementing a roaming short message service provided in the embodiment of the present disclosure is applied to a roaming short message gateway side, and includes the following steps S201 to S203.

S201, obtaining a MAP message, wherein the MAP message is sent by a first VoLTE user roaming to a GSM network.

The MAP (Mobile Application Part) Message is any Message supported by any MAP protocol version, and the disclosure is not limited thereto, for example, the MAP Message is a Short Message Service (SMS) Message. The MAP message is sent by a first VoLTE subscriber roaming into the GSM network using a terminal device.

S202, converting the MAP message into the SIP message.

The SIP (Session Initiation Protocol) message is any message supported by any SIP Protocol version, and the disclosure is not limited thereto, for example, the SIP message is a SIP request message. And the roaming short message gateway receives the MAP message sent by the first VoLTE user and converts the MAP message into an SIP message.

S203, sending the SIP message to a VoLTE short message center so that a second VoLTE user in the VoLTE network receives the SIP message, wherein the second VoLTE user is a target user for sending the short message by the first VoLTE user.

The VoLTE short message center can deliver the received short message sent by the first VoLTE user to the terminal equipment used by the second VoLTE user so as to complete short message communication between the first VoLTE user and the second VoLTE user. The short message sent by the terminal equipment of the first VoLTE user can carry the address of the VoLTE short message center to which the terminal equipment of the first VoLTE user belongs. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolving, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

In one embodiment, prior to acquiring the MAP message, the method further comprises: a first VoLTE subscriber roaming to a GSM network performs a third party registration.

The registration process comprises initial registration, re-registration, secondary registration and third party registration, wherein the initial registration, the re-registration and the secondary registration are called basic registration, the basic registration is initiated by terminal equipment used by a user, and the user has basic call authority after the basic registration is successful. The third party registration is initiated by the S-CSCF (Serving-CSCF) instead of the terminal device used by the user, and after the third party registration is successful, the user has the authority of the related service, that is, the authority of the roaming short message service.

In one embodiment, a first VoLTE subscriber roaming to a GSM network performs a third party registration, including: receiving basic information of a first VoLTE user; sending basic information to a telephone number mapping/domain name system (ENUM/DNS); receiving identification information of a VoLTE short message center signed by a first VoLTE user and sent by an ENUM/DNS, wherein the identification information of the VoLTE short message center is generated by the ENUM/DNS according to basic information; sending a third party registration request to the VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center so that the VoLTE short message center completes third party registration; and receiving a third party registration response returned by the VoLTE short message center.

The basic information is exclusive information of the first VoLTE user, and the embodiment of the present disclosure is not limited, for example, the basic information may be a phone number, a user name, an identity card number, and the like of the first VoLTE user; the identification information is used for inquiring a VoLTE short message center signed with a first VoLTE user, the identification information can be a host name and an address of the VoLTE short message center, and in addition, the identification information is also suitable for other information which can inquire the VoLTE short message center signed with the first VoLTE user, and the embodiment of the disclosure is not limited; the user subscription information is information subscribed by the first VoLTE user during basic registration, and the user subscription information can be pre-stored in the roaming short message gateway.

In one embodiment, ENUM/DNS obtains a user domain name based on the basic information; and the ENUM/DNS obtains the identification information of the VoLTE short message center signed by the first VoLTE user according to the user domain name.

Illustratively, a first VoLTE subscriber roams to a GSM network, an external system sends basic information of the first VoLTE subscriber to a roaming short message gateway, the basic information carries a telephone number of the first VoLTE subscriber, the roaming short message gateway sends the basic information of the first VoLTE subscriber to an ENUM/DNS, the ENUM/DNS obtains a subscriber domain name according to the telephone number of the first VoLTE subscriber, the ENUM/DNS obtains a host name and an address of a VoLTE short message center signed by the first VoLTE subscriber according to the subscriber domain name, queries a VoLTE short message center to be signed according to the host name and the address, and sends a third party registration request to the VoLTE short message center according to the subscriber subscription information, so that the VoLTE short message center completes third party registration, and when returning a third party registration response, the VoLTE short message center exists the address of the roaming short message gateway, thereby facilitating the receiving and sending of a later roaming short message.

The external system may be a signaling monitoring system, and in addition, the external system is also applicable to other systems capable of sending the basic information of the first VoLTE user to the roaming short message gateway.

In one embodiment, the MAP message carries a telephone number of the first VoLTE subscriber; before sending the SIP message to the VoLTE short message center, the method further includes: initiating a query request to an ENUM/DNS according to the telephone number of a first VoLTE user; acquiring identification information of a VoLTE short message center; sending the SIP message to a VoLTE short message center, wherein the SIP message comprises: and sending the SIP message to the VoLTE short message center according to the identification information of the VoLTE short message center.

Illustratively, the roaming short message gateway initiates an inquiry request to an ENUM/DNS according to a phone number of a first VoLTE user, the ENUM/DNS obtains a user domain name according to the phone number of the first VoLTE user, the ENUM/DNS obtains a host name and an address of a VoLTE short message center subscribed by the first VoLTE user according to the user domain name, the ENUM/DNS sends an SIP message to the VoLTE short message center according to the host name and the address of the VoLTE short message center, and the VoLTE short message center sends the SIP message to a second VoLTE user located in a VoLTE network, thereby implementing roaming short message communication between the first VoLTE user roaming to a GSM network and the second VoLTE user located in the VoLTE network.

Based on the same inventive concept, the embodiment of the present disclosure further provides a method for implementing a roaming short message service, as described in the following embodiments. Because the principle of the method embodiment for solving the problem is similar to that of the method embodiment, the implementation of the method embodiment may refer to the implementation of the method embodiment, and repeated details are not described again.

Fig. 3 is a flowchart illustrating a method for implementing a roaming short message service in another embodiment of the present disclosure, and as shown in fig. 3, the method for implementing a roaming short message service provided in the embodiment of the present disclosure is applied to a VoLTE short message center side, and includes the following steps S301 to S302.

S301, SIP information is obtained, the SIP information is obtained through conversion by a roaming short message gateway according to MAP information, and the MAP information is sent by a first VoLTE user roaming into a GSM network;

s302, SIP information is sent to a second VoLTE user in the VoLTE network, and the second VoLTE user is a target user for sending short messages to the first VoLTE user.

Illustratively, a first VoLTE subscriber roaming to a GSM network sends a MAP message, a roaming short message gateway converts the MAP message into an SIP message, a VoLTE short message center acquires the SIP message, and sends the SIP message to a second VoLTE subscriber located in the VoLTE network, thereby realizing that the first VoLTE subscriber sends a roaming short message to the second VoLTE subscriber. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolving, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

Fig. 4 is a flowchart illustrating a method for implementing a roaming short message service in yet another embodiment of the present disclosure, where the method for implementing a roaming short message service provided in the embodiment of the present disclosure is applied to a roaming short message gateway, and includes the following steps S401 to S403.

S401, SIP information sent by a VoLTE short message center is obtained, and the SIP information is sent by a second VoLTE user in a VoLTE network;

s402, converting the SIP message into a MAP message;

s403, sending an MAP message to a first VoLTE user roaming to the GSM network, wherein the first VoLTE user is a target user for sending short messages to a second VoLTE user.

In one embodiment, sending a MAP message to a first VoLTE subscriber roaming into a GSM network includes: and sending the MAP message to a mobile switching center/visitor location register (MSC/VLR) through a GSM signaling network so that the MSC/VLR sends the MAP message to the first VoLTE user.

Illustratively, the second VoLTE subscriber sends an SIP message to the VoLTE short message center, the VoLTE short message center sends the SIP message to the roaming short message gateway, the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to the MSC/VLR through the GSM signaling network, and the MSC/VLR sends the MAP message to the first VoLTE subscriber roaming into the GSM network and sends the MAP message, thereby realizing that the second VoLTE subscriber sends the roaming short message to the first VoLTE subscriber. The method and the device convert the MAP message into the SIP message, do not need to utilize C network equipment to revolve, reduce telephone traffic revolving, are simple to realize, further do not need to consume C network resources, and do not influence the subsequent network quitting progress of the C network.

In one embodiment, before obtaining a SIP message sent by a VoLTE short message center, the SIP message being sent by a second VoLTE subscriber located within the VoLTE network, the method further comprises: a first VoLTE subscriber roaming to a GSM network performs a third party registration.

In one embodiment, the identification information of the VoLTE short message center is generated by ENUM/DNS according to basic information, including: ENUM/DNS gets the user domain name according to the basic information; and the ENUM/DNS obtains the identification information of the VoLTE short message center signed by the first VoLTE user according to the domain name of the user.

Fig. 5 is a flowchart illustrating a method for implementing a roaming short message service in another embodiment of the present disclosure, where the method for implementing a roaming short message service provided in the embodiment of the present disclosure is applied to a roaming short message gateway, and the method includes the following step S501, where:

s501, an SIP message is sent to a roaming short message gateway, the SIP message is sent by a second VoLTE user in the VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message, and the MAP message is sent to a first VoLTE user roaming to the GSM network, and the first VoLTE user is a target user of the second VoLTE user for sending short messages.

Fig. 6 shows a schematic diagram of a roaming short message gateway architecture in an embodiment of the present disclosure, as shown in fig. 6, the roaming short message gateway includes a communication module 601, an SIP module 609, a message conversion module 608, and an MAP module 607, a first VoLTE subscriber 602 roams to a GSM network, the first VoLTE subscriber 602 is connected to a GSM signaling network through an MSC/VLR 603, and communicates with the MAP module 607 of the roaming short message gateway through the GSM signaling network, an external system sends basic information of the first VoLTE subscriber 602 to the communication module 601 of the roaming short message gateway, the communication module then sends the basic information to the SIP module 609 of the roaming short message gateway, the basic information carries a phone number of the first VoLTE subscriber 602, the SIP module 609 sends the basic information to the ENUM/DNS 604, the ENUM/DNS 604 obtains a user domain name according to the phone number of the first VoLTE user 602, the ENUM/DNS 604 obtains a host name and an address of the VoLTE short message center 605 signed by the first VoLTE user 602 according to the user domain name, the SIP module 609 queries the VoLTE short message center 605 to be signed according to the host name and the address of the VoLTE short message center 605, sends a third party registration request to the VoLTE short message center 605 according to the user subscription information, so that the VoLTE short message center 605 completes third party registration, and the VoLTE short message center 605 stores the address of the SIP module 609 when returning a third party registration response to the SIP module 609, thereby facilitating communication between the second VoLTE user 606 located in the VoLTE network and the first VoLTE user 602 roaming to the GSM network.

Fig. 7 shows a signaling diagram of third party registration performed by the first VoLTE user in the embodiment of the present disclosure, as shown in fig. 7, the signaling diagram specifically includes:

s701, the external system sends basic information of a first VoLTE user roaming to a GSM network to a communication module;

s702, the communication module sends the basic information to the SIP module;

s703, the SIP module sends the basic information to an ENUM/DNS, wherein the basic information carries the telephone number of the first VoLTE user;

s704, ENUM returns user domain name according to telephone number;

s705, the DNS returns the host name and the address of the VoLTE short message center according to the user domain name;

s706, the ENUM/DNS sends the host name and the address of the VoLTE short message center to an SIP module;

s707, sending a third party registration request to a VoLTE short message center according to preset user subscription information and a host name and an address of the VoLTE short message center;

and S708, the VoLTE short message center records the address of the SIP module, completes third party registration and returns a third party registration response to the SIP module.

Fig. 8 shows a signaling diagram of a method for implementing roaming short message service in an embodiment of the present disclosure, and as shown in fig. 8, an MO (Mobile originating) short message originating process of a first VoLTE subscriber in a GSM network specifically includes:

s801, the first VoLTE user sends an MAP message to the MSC/VLR, wherein the MAP message carries a telephone number of the first VoLTE user;

s802, MSC/VLR sends MAP message to MAP module of roaming short message gateway;

s803, after receiving the message, the MAP module returns a received response to the first VoLTE user;

s804, the MAP module sends the MAP message to the message conversion module;

s805, the MAP message is converted into the SIP message by the message conversion module;

s806, sending the SIP message to the SIP module;

s807, the SIP module initiates a query request to an ENUM/DNS according to the telephone number of the first VoLTE user;

s808, the SIP module acquires the host name and the address of the VoLTE short message center;

and S809, the SIP module sends the SIP message to the VoLTE short message center according to the host name and the address of the VoLTE short message center, so that a second VoLTE user in the VoLTE network receives the SIP message sent by the VoLTE short message center, and the MO short message originating process is completed.

Fig. 9 shows a signaling diagram of a method for implementing a roaming short message service in another embodiment of the present disclosure, and as shown in fig. 9, an MT (Mobile Terminated, received) short message termination process of a first VoLTE user in a GSM network specifically includes:

s901, a second VoLTE user located in the VoLTE network sends the SIP message to a VoLTE short message center;

s902, according to the address of the SIP module recorded during the registration of the third party, sending the SIP message to the SIP module;

s903, the SIP module sends the SIP message to the message conversion module;

s904, the message conversion module converts the SIP message into a MAP message;

s905, the message conversion module sends the MAP message to the MAP module;

s906, the MAP module sends the MAP message to the MSC/VLR of the GSM network;

s907, the MSC/VLR sends the MAP message to the second VoLTE user.

The method can not only use a VoLTE user to receive or send roaming short messages, but also use a 5GVoNR user to receive or send roaming short messages, and in the 5G, the roaming short messages can be 5G messages of a Session Initiation Protocol (SIP) link.

Based on the same inventive concept, the embodiment of the present disclosure further provides a device for implementing roaming short message service, as described in the following embodiments. Because the principle of solving the problem of the embodiment of the apparatus is similar to that of the embodiment of the method, reference may be made to the implementation of the embodiment of the apparatus, and repeated descriptions are omitted.

Fig. 10 is a schematic diagram illustrating a roaming short message service implementation apparatus in an embodiment of the present disclosure, and as shown in fig. 10, the apparatus is applied to a roaming short message gateway side, and the apparatus includes a MAP message obtaining module 101, a first message conversion module 102, and a first SIP message sending module 103, where: a MAP message acquiring module 101, configured to acquire a MAP message, where the MAP message is sent by a first VoLTE user roaming into a GSM network; a first message conversion module 102, configured to convert the MAP message into a SIP message; the first SIP message sending module 103 is configured to send an SIP message to a VoLTE short message center, so that a second VoLTE user located in the VoLTE network receives the SIP message, where the second VoLTE user is a target user for sending a short message to the first VoLTE user.

In one embodiment, the apparatus further includes a registration module, not shown in the figure, configured to perform third party registration for the first VoLTE subscriber roaming to the GSM network before acquiring the MAP message.

In one embodiment, the apparatus includes a registration module to receive basic information of a first VoLTE user; the first SIP message sending module 103 is further configured to send basic information to a telephone number mapping/domain name system ENUM/DNS; the registration module is also used for receiving the identification information of the VoLTE short message center signed by the first VoLTE user and sent by the ENUM/DNS, and the identification information of the VoLTE short message center is generated by the ENUM/DNS according to the basic information; the first SIP message sending module 103 is further configured to send a third party registration request to the VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center, so that the VoLTE short message center completes third party registration; and the registration module is also used for receiving a third party registration response returned by the VoLTE short message center.

In one embodiment, the apparatus further includes a first identification information generation module, not shown in the figure, configured to obtain the user domain name according to the basic information; and obtaining the identification information of the VoLTE short message center signed by the first VoLTE user according to the user domain name.

In one embodiment, the MAP message carries a telephone number of the first VoLTE subscriber; the first SIP message sending module 103 is further configured to initiate a query request to ENUM/DNS according to the phone number of the first VoLTE user; acquiring identification information of a VoLTE short message center; and sending the SIP message to the VoLTE short message center according to the identification information of the VoLTE short message center.

Fig. 11 is a schematic diagram illustrating a roaming short message service implementation apparatus in another embodiment of the present disclosure, as shown in fig. 11, which is applied to a VoLTE short message center side, and includes a first SIP message obtaining module 111 and a second SIP message sending module 112, where: a first SIP message obtaining module 111, configured to obtain an SIP message, where the SIP message is obtained through conversion by a roaming short message gateway according to an MAP message, and the MAP message is sent by a first VoLTE user roaming into a GSM network; and a second SIP message sending module 112, configured to send an SIP message to a second VoLTE user located in the VoLTE network, where the second VoLTE user is a target user for sending a short message to the first VoLTE user.

Fig. 12 is a schematic diagram illustrating a roaming short message service implementing device in yet another embodiment of the present disclosure, as shown in fig. 12, which is applied to a roaming short message gateway side, the device includes a second SIP message obtaining module 121, a second message conversion module 122, and a MAP message sending module 123, where: a second SIP message obtaining module 121, configured to obtain an SIP message sent by a VoLTE short message center, where the SIP message is sent by a second VoLTE user located in a VoLTE network; a second message conversion module 122, configured to convert the SIP message into a MAP message; the MAP message sending module 123 is configured to send a MAP message to a first VoLTE subscriber roaming into the GSM network, where the first VoLTE subscriber is a target subscriber for sending a short message to a second VoLTE subscriber.

In one embodiment, the MAP message sending module 123 is configured to send the MAP message to the mobile switching center/visitor location register MSC/VLR through the GSM signaling network, so that the MSC/VLR sends the MAP message to the first VoLTE subscriber.

In one embodiment, the apparatus further comprises a communication module, not shown in the figure, for performing third party registration for a first VoLTE subscriber roaming to a GSM network before acquiring a SIP message sent by a VoLTE short message center, the SIP message being sent by a second VoLTE subscriber located within the VoLTE network.

In one embodiment, the apparatus includes a communication module to receive basic information of a first VoLTE user; a second SIP message obtaining module 121, configured to send basic information to a telephone number mapping/domain name system ENUM/DNS; a second SIP message obtaining module 121, configured to receive identification information of a VoLTE short message center subscribed by a first VoLTE user, sent by ENUM/DNS, where the identification information of the VoLTE short message center is generated by ENUM/DNS according to basic information; the second SIP message obtaining module 121 is configured to send a third party registration request to the VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center, so that the VoLTE short message center completes third party registration; and the second SIP message obtaining module 121 is configured to receive a third party registration response returned by the VoLTE short message center.

In one embodiment, the apparatus further includes a second identification information generation module, not shown in the figure, configured to obtain the user domain name according to the basic information; and obtaining the identification information of the VoLTE short message center signed by the first VoLTE user according to the user domain name.

Fig. 13 is a schematic diagram illustrating a roaming short message service implementation apparatus in another embodiment of the present disclosure, which is applied to a VoLTE short message center side, and the apparatus includes a third SIP message sending module 131, where: and a third SIP message sending module 131, configured to send an SIP message to the roaming short message gateway, where the SIP message is sent by a second VoLTE subscriber located in the VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to a first VoLTE subscriber roaming to the GSM network, where the first VoLTE subscriber is a target subscriber for sending a short message to the second VoLTE subscriber.

Based on the same inventive concept, the embodiment of the present disclosure further provides a system for implementing roaming short message service, as described in the following embodiments. Because the principle of the system embodiment for solving the problem is similar to that of the method embodiment, the implementation of the system embodiment may refer to the implementation of the method embodiment, and repeated details are not described again.

In another embodiment of the present disclosure, a system for implementing roaming short message service includes a roaming short message gateway and a VoLTE short message center, where: the roaming short message gateway is used for acquiring the MAP message, and the MAP message is sent by a first VoLTE user roaming into the GSM network; converting the MAP message into a SIP message; the method comprises the steps that SIP information is sent to a VoLTE short message center, so that a second VoLTE user located in a VoLTE network receives the SIP information, and the second VoLTE user is a target user for sending short messages to a first VoLTE user; the VoLTE short message center is used for acquiring SIP messages, the SIP messages are obtained by the roaming short message gateway according to the MAP message conversion, and the MAP messages are sent by a first VoLTE user roaming into a GSM network; the method comprises the steps that SIP messages are sent to a second VoLTE user located in a VoLTE network, and the second VoLTE user is a target user for sending short messages to a first VoLTE user; alternatively, the first and second electrodes may be,

the roaming short message gateway is used for acquiring an SIP message sent by the VoLTE short message center, and the SIP message is sent by a second VoLTE user in the VoLTE network; converting the SIP message into a MAP message; the method comprises the steps that MAP messages are sent to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to a second VoLTE user; and the VoLTE short message center is used for sending an SIP message to the roaming short message gateway, wherein the SIP message is sent by a second VoLTE user in the VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to a first VoLTE user roaming to the GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Accordingly, various aspects of the disclosure may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.

An electronic device 1400 according to such an embodiment of the present disclosure is described below with reference to fig. 14. The electronic device 1400 shown in fig. 14 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present disclosure.

As shown in fig. 14, the electronic device 1400 is embodied in the form of a general purpose computing device. The components of electronic device 1400 may include, but are not limited to: the at least one processing unit 1410, the at least one memory unit 1420, and a bus 1430 that couples various system components including the memory unit 1420 and the processing unit 1410.

Where the storage unit stores program code, the program code may be executed by processing unit 1410 such that processing unit 1410 performs steps according to various exemplary embodiments of the present disclosure described in the "exemplary methods" section above in this specification. For example, processing unit 1410 may perform the following steps of the above-described method embodiments: a method for realizing roaming short message service is applied to a roaming short message gateway side, and comprises the following steps: obtaining MAP information which is sent by a first VoLTE user roaming to a GSM network; converting the MAP message into a SIP message; and sending the SIP message to a VoLTE short message center so that a second VoLTE user in the VoLTE network receives the SIP message, wherein the second VoLTE user is a target user for sending the short message to the first VoLTE user.

Processing unit 1410 may perform the following steps of the above-described method embodiments: a method for realizing roaming short message service is applied to a VoLTE short message center side, and comprises the following steps: the method comprises the steps that SIP information is obtained through conversion of a roaming short message gateway according to MAP information, and the MAP information is sent by a first VoLTE user roaming into a GSM network; and sending the SIP message to a second VoLTE user in the VoLTE network, wherein the second VoLTE user is a target user for sending the short message to the first VoLTE user.

Processing unit 1410 may perform the following steps of the above method embodiments: a method for realizing roaming short message service is applied to a roaming short message gateway side, and comprises the following steps: the method comprises the steps that SIP information sent by a VoLTE short message center is obtained, and the SIP information is sent by a second VoLTE user in a VoLTE network; converting the SIP message into a MAP message; and sending an MAP message to a first VoLTE user roaming to the GSM network, wherein the first VoLTE user is a target user for sending a short message to a second VoLTE user.

Processing unit 1410 may perform the following steps of the above-described method embodiments: a method for realizing roaming short message service is applied to a VoLTE short message center side, and comprises the following steps: and sending SIP information to a roaming short message gateway, wherein the SIP information is sent by a second VoLTE user in the VoLTE network, so that the roaming short message gateway converts the SIP information into an MAP information and sends the MAP information to a first VoLTE user roaming to the GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

The storage unit 1420 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM) 14201 and/or a cache memory unit 14202, and may further include a read only memory unit (ROM) 14203.

The storage unit 1420 can also include a program/utility 14204 having a set (at least one) of program modules 14205, such program modules 14205 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.

Bus 1430 may be any bus representing one or more of several types of bus structures, including a memory cell bus or memory cell controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 1400 may also communicate with one or more external devices 1440 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 1400, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 1400 to communicate with one or more other computing devices. Such communication can occur via an input/output (I/O) interface 1450. Also, the electronic device 1400 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 1460. As shown, the network adapter 1460 communicates with the other modules of the electronic device 1400 over the bus 1430. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 1400, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, and may also be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.

In an exemplary embodiment of the present disclosure, there is also provided a computer-readable storage medium, which may be a readable signal medium or a readable storage medium. On which a program product capable of implementing the above-described method of the present disclosure is stored.

More specific examples of the computer-readable storage medium in the present disclosure may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

In the present disclosure, a computer readable storage medium may include a propagated data signal with readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Alternatively, program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

In an exemplary embodiment of the present disclosure, a computer program product is further provided, where the computer program product includes a computer program or computer instructions, and the computer program or the computer instructions are loaded and executed by a processor, so as to enable a computer to implement any one of the foregoing roaming short message service implementation methods.

In particular implementations, program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In situations involving remote computing devices, the remote computing devices may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to external computing devices (e.g., through the internet using an internet service provider).

It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.

Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken into multiple step executions, etc.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

Claims

1. A method for realizing roaming short message service is applied to a roaming short message gateway side, and is characterized in that the method comprises the following steps:

obtaining a MAP message, wherein the MAP message is sent by a first VoLTE user roaming into a GSM network;

converting the MAP message into a SIP message;

and sending the SIP message to a VoLTE short message center so as to enable a second VoLTE user located in the VoLTE network to receive the SIP message, wherein the second VoLTE user is a target user for sending a short message to the first VoLTE user.

2. The method for implementing roaming short message service of claim 1, wherein before the obtaining of the MAP message, the method further comprises:

a first VoLTE subscriber roaming to a GSM network performs a third party registration.

3. The method for implementing roaming short message service according to claim 2, wherein the third party registration of the first VoLTE subscriber roaming to the GSM network comprises:

receiving basic information of the first VoLTE user;

transmitting the basic information to a telephone number mapping/domain name system (ENUM/DNS);

receiving identification information of a VoLTE short message center signed by a first VoLTE user and sent by an ENUM/DNS, wherein the identification information of the VoLTE short message center is generated by the ENUM/DNS according to the basic information;

sending a third party registration request to a VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center so that the VoLTE short message center completes third party registration;

and receiving a third party registration response returned by the VoLTE short message center.

4. The method as claimed in claim 3, wherein the identifying information of the VoLTE short message center is generated by ENUM/DNS according to the basic information, and the method comprises:

ENUM/DNS obtains user domain name according to the basic information;

and the ENUM/DNS obtains the identification information of the VoLTE short message center signed by the first VoLTE user according to the user domain name.

5. The method for implementing roaming short message service of claim 1, wherein the MAP message carries a phone number of a first VoLTE subscriber;

before the sending the SIP message to the VoLTE short message center, the method further comprises:

initiating a query request to an ENUM/DNS according to the telephone number of a first VoLTE user;

acquiring identification information of a VoLTE short message center;

the sending the SIP message to the VoLTE short message center includes:

and sending the SIP message to a VoLTE short message center according to the identification information of the VoLTE short message center.

6. A method for realizing roaming short message service is applied to a VoLTE short message center side, and is characterized in that the method comprises the following steps:

the method comprises the steps that SIP information is obtained through conversion of a roaming short message gateway according to MAP information, and the MAP information is sent by a first VoLTE user roaming into a GSM network;

and sending the SIP message to a second VoLTE user in the VoLTE network, wherein the second VoLTE user is a target user for sending a short message to the first VoLTE user.

7. A method for realizing roaming short message service is applied to a roaming short message gateway side, and is characterized in that the method comprises the following steps:

the method comprises the steps that SIP information sent by a VoLTE short message center is obtained, and the SIP information is sent by a second VoLTE user located in a VoLTE network;

converting the SIP message into a MAP message;

and sending the MAP message to a first VoLTE user roaming to a GSM network, wherein the first VoLTE user is a target user for sending short messages to a second VoLTE user.

8. The method for implementing roaming short message service of claim 7, wherein the sending the MAP message to the first VoLTE subscriber roaming into GSM network comprises:

and sending the MAP message to a mobile switching center/visitor location register (MSC/VLR) through a GSM signaling network so that the MSC/VLR sends the MAP message to the first VoLTE user.

9. The method for implementing roaming short message service according to claim 7, wherein before the acquiring the SIP message sent by the VoLTE short message center, the SIP message is sent by a second VoLTE subscriber located in a VoLTE network, the method further comprises:

and the first VoLTE user roaming to the GSM network carries out third party registration.

10. The method for implementing roaming short message service according to claim 9, wherein the third party registration of the first VoLTE subscriber roaming to the GSM network comprises:

receiving basic information of the first VoLTE user;

receiving identification information of a VoLTE short message center signed by a first VoLTE user and sent by ENUM/DNS, wherein the identification information of the VoLTE short message center is generated by the ENUM/DNS according to the basic information;

sending a third party registration request to a VoLTE short message center according to preset user subscription information and identification information of the VoLTE short message center so as to enable the VoLTE short message center to complete third party registration;

11. The method as claimed in claim 10, wherein the identifying information of the VoLTE short message center is generated by ENUM/DNS according to the basic information, and includes:

ENUM/DNS obtains user domain name according to the basic information;

12. A method for realizing roaming short message service is applied to a VoLTE short message center side, and is characterized in that the method comprises the following steps:

and sending an SIP message to a roaming short message gateway, wherein the SIP message is sent by a second VoLTE user positioned in a VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message, and sends the MAP message to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

13. A roaming short message service realizing device is applied to a roaming short message gateway side, and is characterized by comprising an MAP message acquisition module, a first message conversion module and a first SIP message sending module, wherein:

the MAP message acquisition module is used for acquiring MAP messages, and the MAP messages are sent by a first VoLTE user roaming into a GSM network;

a first message conversion module, configured to convert the MAP message into an SIP message;

and the first SIP message sending module is used for sending the SIP message to a VoLTE short message center so as to enable a second VoLTE user in the VoLTE network to receive the SIP message, and the second VoLTE user is a target user for sending the short message by the first VoLTE user.

14. A roaming short message service implementation device is applied to a VoLTE short message center side, and is characterized by comprising a first SIP message acquisition module and a second SIP message sending module, wherein:

the first SIP message acquisition module is used for acquiring an SIP message, wherein the SIP message is obtained by converting a roaming short message gateway according to an MAP message, and the MAP message is sent by a first VoLTE user roaming into a GSM network;

and the second SIP message sending module is used for sending the SIP message to a second VoLTE user in the VoLTE network, and the second VoLTE user is a target user for sending the short message to the first VoLTE user.

15. A roaming short message service realizing device is applied to a roaming short message gateway side, and is characterized by comprising a second SIP message acquisition module, a second message conversion module and an MAP message sending module, wherein:

the second SIP message acquisition module is used for acquiring the SIP message sent by the VoLTE short message center, and the SIP message is sent by a second VoLTE user in the VoLTE network;

a second message conversion module, configured to convert the SIP message into a MAP message;

and the MAP message sending module is used for sending the MAP message to a first VoLTE user roaming to a GSM network, wherein the first VoLTE user is a target user for sending short messages to a second VoLTE user.

16. A roaming short message service implementation device is applied to a VoLTE short message center side, and is characterized by comprising a third SIP message sending module, wherein:

and the third SIP message sending module is used for sending an SIP message to a roaming short message gateway, wherein the SIP message is sent by a second VoLTE user in a VoLTE network, so that the roaming short message gateway converts the SIP message into an MAP message and sends the MAP message to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

17. A roaming short message service implementation system is characterized by comprising a roaming short message gateway and a VoLTE short message center, wherein:

the roaming short message gateway is used for acquiring the MAP message, and the MAP message is sent by a first VoLTE user roaming into the GSM network; converting the MAP message into a SIP message; the SIP message is sent to a VoLTE short message center, so that a second VoLTE user located in a VoLTE network receives the SIP message, and the second VoLTE user is a target user for sending a short message to the first VoLTE user;

the VoLTE short message center is used for acquiring an SIP message, the SIP message is obtained by converting a roaming short message gateway according to an MAP message, and the MAP message is sent by a first VoLTE user roaming into a GSM network; the SIP message is sent to a second VoLTE user located in a VoLTE network, and the second VoLTE user is a target user for sending short messages to the first VoLTE user; alternatively, the first and second electrodes may be,

the roaming short message gateway is used for acquiring an SIP message sent by a VoLTE short message center, and the SIP message is sent by a second VoLTE user in a VoLTE network; converting the SIP message into a MAP message; the MAP message is sent to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to a second VoLTE user;

the VoLTE short message center is used for sending SIP messages to a roaming short message gateway, the SIP messages are sent by a second VoLTE user in a VoLTE network, so that the roaming short message gateway converts the SIP messages into MAP messages, the MAP messages are sent to a first VoLTE user roaming to a GSM network, and the first VoLTE user is a target user for sending short messages to the second VoLTE user.

18. An electronic device, comprising:

a processor; and

a memory for storing executable instructions of the processor;

wherein the processor is configured to execute the method for implementing the roaming short message service according to any one of claims 1 to 12 through executing the executable instructions.

19. A computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the roaming short message service implementing method of any one of claims 1 to 12.