KR100580832B1 - Apparatus and method for providing a universal location number service incorporating heterogeneous network addresses in the SPI network - Google Patents

Abstract

The present invention relates to a general purpose location number service providing apparatus and a method for integrating heterogeneous network addresses in a SIP network.

The universal location server of the universal location number service providing apparatus incorporating heterogeneous network addresses in a SIP network according to the present invention allocates a universal location number to a user who has subscribed to the universal location service, and assigns a plurality of network local addresses to which the user has subscribed. Register to the number. At this time, when the user registers the network local address in the universal location number, the user sets the priority of the address of the destination network according to the preference. Then, for services originating from the user, the Universal Location Server provides the Universal Location Service to the called party by mapping the Universal Location Number and the local address of the network, and the Universal Location Server for the incoming service as the User is called according to priority. Provide service.

In this way, multiple valid network number registrations can be registered for one universal location number, and an incoming call according to the priority can be performed based on the preference.

SIP protocol, universal location number, range location server, location registration

Description

Apparatus and method for providing a universal location number service incorporating heterogeneous network addresses in the SPI network

1 is a block diagram illustrating a general location number service apparatus according to an embodiment of the present invention.

2 is a diagram illustrating a process of registering a location in a universal location server according to an exemplary embodiment of the present invention.

3 is a diagram illustrating a procedure of calling and receiving a subscriber according to an embodiment of the present invention.

4 is a flowchart illustrating a process of processing a general location server according to a location registration request to the general location server according to an embodiment of the present invention.

5 is a flowchart illustrating a processing procedure according to an incoming and outgoing call of the general purpose location server according to an exemplary embodiment of the present invention.

The present invention relates to an apparatus and method for providing a universal location number service incorporating heterogeneous network addresses in a SIP network. In particular, the present invention has a priority by having registration information associated with several network numbers with one integrated universal location number. The present invention relates to a universal location number service providing apparatus and method incorporating heterogeneous network addresses in a SIP network for call establishment after network selection.

As users' workspaces and terminals become more diverse, more and more Internet addresses are allocated from different networks. Each of these numbers is cumbersome to share with each other and changes according to the joining or leaving the local network. Accordingly, if a server managing a local Internet address for one subscriber is managed by a server that manages it with a general-purpose Internet address, the call processing can be performed regardless of an address change or a change in location. When receiving a network number having priority for each universal location number, the network can be selectively received by giving priority to each condition.

However, the conventional life-time telephone number concept is a service that converts a call to a registered number for a single number from a public switched telephone network (PSTN) or an intelligent network perspective, and provides a dynamic incoming service according to priority according to time or condition. It is difficult to maintain a continuous call for the mobility occurring during the session.

The technical problem to be achieved by the present invention is to have a single unified number and to have registration information associated with several network numbers, thereby integrating heterogeneous network addresses in a SIP network to set up a call after selecting a network according to priority. To provide a location number service providing apparatus and a providing method.

In order to solve this problem, the present invention provides an apparatus for providing a universal location service to a user having a plurality of terminals subscribed to a plurality of Session Initiation Protocol (SIP) networks with one universal location number.

An apparatus for providing a universal location number service incorporating heterogeneous network addresses in a SIP network according to an aspect of the present invention may allocate the plurality of SIP network local addresses by assigning one universal location number to a user who has subscribed to the universal location service. A general-purpose location server that registers with a universal location number and maps and manages the general location number and local addresses of the plurality of SIP networks to provide an incoming service according to priority; A SIP proxy server for determining whether the user subscribes to the universal location service through the SIP message received from the terminal and transmitting the SIP message to the universal location server; And a serving server managing session state of the user subscribed to the SIP network and performing service control.

The universal location server is interfaced with the plurality of networks to be located in a higher service domain, and the universal location server is configured to set up an incoming call according to a local address of the network based on the network local address and the preference of the subscriber. And a subscriber profile in which priority information is stored, wherein the general location server establishes a call to a network corresponding to a first priority of the subscriber profile information, and is unable to reach the corresponding network of the first priority. In this case, the call may be set to the corresponding network of the second priority.

Further, when the user moves to a second network while the session is connected in the first network, the universal location server stores the suspended session information in the first network and sets up a call to the second network local address. Session mobility.

In the present invention, a method for providing a universal location service by a user having a plurality of terminals subscribed to a plurality of networks in a Session Initiation Protocol (SIP) network with one universal location number is provided.

According to another aspect of the present invention, a method for providing a universal location number service incorporating heterogeneous network addresses in a SIP network includes: a) assigning the universal location number to a user who has subscribed to the universal location service; b) registering the user's network local address with the assigned universal location number; c) mapping said user's universal location number to a local address of said network; d) after the step c), when the user makes a call request, performing the outgoing call processing for the universal location number to provide the universal location service; And e) when the call is received by a user subscribed to the universal location service, performing the incoming call processing based on the priority of the universal location number of the user to provide the universal location service.

Step b) includes: i) receiving a SIP location registration message carrying a local address of a network from a specific terminal of the user; Ii) upon registration of the SIP location registration message, registering a network local address with the universal location number; And iii) if registration is completed from step ii), transmitting a SIP response message on whether registration is successful. At this time, the SIP location registration message is transmitted from the terminal with the local address of the network to be registered, the universal location number assigned by the user, and the originating address from which the SIP location registration message is transmitted. It is done.

In addition, when registering a network local address in the universal location number, the user can set the priority of the address of the destination network according to the preference.

And step d) includes: i) receiving a SIP call request message from a corresponding terminal of the user; Iv) upon receiving the SIP call request message, confirming whether the user subscribes to the universal location service through the SIP call request message; And iii) performing the call processing by transmitting the SIP call request message to the called party's terminal when the user is subscribed to the universal location service. At this time, the SIP call request message in step iii) includes the user's number and the general location number of the called party in the header, and the SIP call request message in step iii). The header includes the universal location number of the user.

And step e) includes: i) checking whether the called party subscribes to the universal location service through a SIP call request message received from the calling party; And iii) establishing a called call by transmitting a SIP call request message to a first network local address based on a priority of the universal location number of the user, if the called party is subscribed to the universal location service. It includes. And transmitting the SIP call request message to another universal location server when the called party is not subscribed to the universal location service. At this time, the universal location number of the called party is included in the header of the SIP call request message and is received from the caller. When the universal location number of the caller exists, the universal location number of the caller is included in the header of the SIP call request message. It is sent to the called party further including.

And step iii) retrieving a priority for the universal location number; Receiving an incoming call to a network corresponding to a first priority as a result of the priority search; And when the incoming call to the network corresponding to the first priority is impossible, the incoming call processing may be performed to the network corresponding to the second priority according to the priority search.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention. Like parts are designated by like reference numerals throughout the specification.

First, a general location number service apparatus incorporating heterogeneous network addresses in a SIP network according to an embodiment of the present invention will be described in detail with reference to FIG. 1.

1 is a block diagram illustrating a general location number service apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the universal location number service apparatus according to the embodiment of the present invention includes a universal location server 200 interworking with the SIP network 100.

The general purpose location server 200 is interfaced with a plurality of networks and is located in a higher service domain and registers location information of each network to process services that may occur by integrating each network separately from the services provided by each network. . The universal location server performs subscriber registration and session processing on the universal location service, and manages call information on the calling party universal location number of the subscriber subscribed to the universal location service. At this time, the subscriber may register the priority by time zone and condition when registering the location, or register the condition fixedly in the general location server 200.

 In addition, the universal location server 200 stores and manages the subscriber profile, such as information on the subscriber's preference, time zone, and condition for the universal location number, and information on the subscriber's local network number and the universal location number. At this time, the universal location server 200 allows the incoming call to the preferred network through the information on the preferences of the subscriber, which can be operated by a table that manages information about the preferences of the subscriber. The universal location server 200 maps the subscriber's local network number and the universal location number to provide a universal location service, which is operated by a table managing the mapping between the subscriber's local network number and the universal location number. In addition, such a table may be stored and managed by the general purpose location server 200.

In addition, the universal location server 200, when moving from one network to another network, manages information about the universal location number and stores the information that needs to be shared between networks.

The SIP network 100 includes a plurality of SIP local networks 110, 120, 130 and terminals 116, 126, 136 subscribed to the plurality of SIP local networks 110, 120, 130. Each SIP local area network 110, 120, 130 includes SIP proxy servers 112, 122, 132 and serving servers 114, 124, 134.

The SIP proxy server 112, 122, and 132 receives a request from the terminal, such as call establishment, cancellation, and termination, and determines whether the user is subscribed to the universal location service by verifying the address of the caller and the called party. It serves to transmit to the universal location server (200).

Serving servers 114, 124, and 134 perform service control in the SIP network. That is, the control service is performed while managing the session state of the registered user.

An operation process of the universal location number service device configured as described above will be described in detail with reference to FIGS. 2 to 5.

2 is a diagram illustrating a process of registering a location in a universal location server according to an embodiment of the present invention, and FIG. 3 is a diagram illustrating a process of calling and receiving a subscriber according to an embodiment of the present invention. Hereinafter, it is assumed that the subscriber subscribes to the universal location service and is assigned one universal location number.

Referring to FIG. 2, when a user wants to receive a universal location service, the subscriber first completes location registration with the corresponding SIP local area network 110, 120, 130 through the terminals 116, 126, and 136. Then, the terminal 116, 126, 136 requests a location registration by transmitting a SIP REGISTER message to the SIP proxy servers 112, 122, 132 of the corresponding SIP local network 110, 120, 130 (S20). SIP local network (110, 120, 130) receiving the SIP REGISTER message from the terminal (116, 126, 136) forwards the SIP REGISTER message to the universal location server 200 (S22) SIP local network (110, 120, 130) Register the address and universal location number. At this time, the user can register multiple local area networks for a single universal location number, and when registering a location, priority can be registered by time zone and condition, or fixedly registered in the universal location server 200. have. Then, the general purpose server 200 is set the incoming call according to the priority. Here, the SIP REGISTER message means registration, deletion and modification of location information.

3, when the calling subscriber subscribed to the universal location server 200 makes a call setup request, the terminal 126 sends a SIP INVITE message to the SIP proxy server 122 of the SIP local area network 120. The SIP proxy server 122 sends a SIP INVITE message back to the serving server 124 of the subscriber. The serving server 124 determines whether the calling subscriber is subscribed to the universal location service, and when the calling subscriber is joined to the universal location service, the serving server 124 transmits a SIP INVITE message to the universal location server 200 to request call establishment ( S32).

Upon receiving the SIP INVITE message, the universal location server 200 determines whether the universal location number of the called party is the number of the subscriber managed by the same general location server 200. Then, when the universal location number of the called subscriber is managed in the same universal location server, the universal location server 200 searches for the destination network according to the priority stored in the called party profile and sends the SIP to the corresponding SIP local area network 130. The call setup request is transmitted by sending an INVITE message (S34).

Upon receiving the SIP INVITE message from the universal location server 200, the SIP local area network 130 transmits the SIP INVITE message to the terminal 136 to establish a call (S36). In this way, the origination and incoming call setup is completed. Here, the SIP INVITE message means a call request.

Next, FIG. 4 is a flowchart illustrating a process of processing a universal location server according to a location registration request to a universal location server according to an embodiment of the present invention.

As shown in FIG. 2, the subscriber station 116, 126, 136 transmits a SIP REGISTER message through the SIP proxy servers 112, 122, 132 of the corresponding SIP local area network 110, 120, 130. Request to register the location (S22). At this time, the header of the SIP REGISTER message includes the source address, the address to be registered and the universal location number. When the location registration request is made to the general location server 200 as described above, the general location server 200 maps the address of the subscriber's SIP local area network 110, 120, and 130 to the general location number through the SIP REGISTER message. As a result of the mapping, if the universal location number exists, the SIP local area network address is registered (S42). At this time, the subscriber can make a plurality of SIP location network address registration request, and the universal location service registration is possible through the third subscriber station. Therefore, when moving from one network to another network, even when the session is connected, the information about the stopped session is stored in the universal location server 200 and the session is connected to the new network. The universal location number registered in the universal location service may register several local network numbers that are accessible. When the registration is completed in this way, the universal location server 200 transmits success or failure to the subscriber requesting registration (S44).

5 is a flowchart illustrating a processing procedure according to an incoming and outgoing call of the general purpose location server according to an exemplary embodiment of the present invention.

The calling subscriber subscribed to the universal location server 200 transmits the SIP INVITE message to the universal location server 200 as shown in FIG. 3 to request call setup (S51). At this time, the header of the SIP INVITE message includes the calling party address and the general location number of the called party. The universal location server 200 first searches through the received SIP INVITE message whether information on the sender address exists in the universal location server 200 (S52). If the sender address exists, the calling process is performed and the SIP INVITE message including the universal location number of the sender in the header is transmitted to the terminal 136 of the called subscriber (S53).

If the calling address does not exist or the calling process is completed, it is searched whether the called address exists (S54). If the destination subscriber number, which is a universal location number, does not exist, the subscriber exists in another server and sends a SIP INVITE message again to send a call setup request (S57). On the other hand, if a universal location number of the called subscriber exists, the subscriber station is converted to the address of the network having the highest priority, and then a SIP INVITE message is transmitted to request call establishment (S55 to S56). In this way, the priority or condition for the universal location number is searched and received by the corresponding network. If the incoming call is not possible to the network having the first priority, the call is processed by being received by the network address having the second priority. To improve.

In addition, the operation of the general-purpose location server according to the method of the present invention as described above may be stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) recording a program implemented as a program. .

The above embodiments are intended to illustrate the present invention, the scope of the present invention is not limited to the embodiments, it can be modified or modified by those skilled in the art within the scope of the invention defined by the appended claims. .

As described above, according to the present invention, the transport layer and the service layer are separated by a universal location server that integrates the numbers of multiple networks, allocates one universal location number, and manages the universal location number and the number assigned by the local network. It is possible to create a variety of services with a general numbering system, and when moving from one network to another network, it is possible to store and process information that needs to be shared between networks, enabling session mobility, making it easy to access new services. .                     

In addition, by setting up a call with one representative number between subscribers, it is not necessary to remember several addresses, and even if the address of the local network is changed, the call can be set at any time only by performing location registration for the changed address. In addition, the priority of the incoming call can be determined for a plurality of network numbers, so that the incoming call can be made to the preferred network according to the subscriber's preference, time zone, and conditions.

Claims (18)

An apparatus for providing universal location service with one universal location number to a user having a plurality of terminals subscribed to a plurality of Session Initiation Protocol (SIP) networks, Assigning a universal location number to a user who has subscribed to the universal location service to register the plurality of SIP network local addresses with the universal location number, and mapping and managing the universal location number and local addresses of the plurality of SIP networks; A general purpose location server providing an incoming service according to the priority of the plurality of terminals; A SIP proxy server for determining whether the user subscribes to the universal location service through the SIP message received from the terminal and transmitting the SIP message to the universal location server; And A serving server that manages session state of the user subscribed to the SIP network and performs service control. Universal location number service providing device integrating heterogeneous network addresses in a SIP network including a. The method of claim 1, The universal location server is integrated with a heterogeneous network address in the SIP network, characterized in that the interface to the plurality of networks located in the upper service domain. The method of claim 1, The universal location server, A universal location number incorporating heterogeneous network addresses in a SIP network, comprising a subscriber profile storing priority information for setting up an incoming call according to a local address of the network based on the network local address and the preference of the subscriber. Service provision device. The method of claim 3, wherein The universal location server, Setting up a call to a network corresponding to a first priority among the subscriber profile information, and setting up a call to a corresponding network of a second priority when a call to the corresponding network of the first priority is impossible. Apparatus for providing a universal location number service incorporating heterogeneous network addresses in a SIP network. The method according to any one of claims 1 to 4, When the user moves to the second network while the session is connected in the first network, Wherein said general purpose location server stores session information suspended in said first network and establishes a call to said second network local address to provide session mobility. Apparatus for providing a universal location number service incorporating heterogeneous network addresses in a SIP network. Claims [1] A method for providing a universal location service with one universal location number to a user having a plurality of terminals subscribed to a plurality of networks in a SIP (Session Initiation Protocol) network. a) assigning the universal location number to a user subscribed to the universal location service; b) registering the user's network local address with the assigned universal location number; c) mapping said user's universal location number to a local address of said network; d) after the step c), when the user makes a call request, performing the outgoing call processing for the universal location number to provide the universal location service; And e) when the call is received by a user subscribed to the universal location service, performing the call processing based on the priority of the universal location number of the user to provide the universal location service. Universal location number service providing method integrating heterogeneous network addresses in a SIP network including a. The method of claim 6, Step b), Iii) receiving a SIP location registration message carrying a local address of a network from a specific terminal of the user; Ii) upon registration of the SIP location registration message, registering a network local address with the universal location number; And Iii) if registration is completed from step ii), transmitting a SIP response message on whether registration is successful; Universal location number service providing method integrating heterogeneous network addresses in a SIP network including a. The method of claim 7, wherein The SIP location registration message, A local address of the network to be registered from the corresponding terminal, a universal location number assigned by the user, and a sender address transmitting the SIP location registration message to be transmitted in a header; A method for providing a universal location number service incorporating heterogeneous network addresses in a SIP network. The method of claim 7, wherein When registering a network local address in the universal location number, the user sets the priority of the address of the destination network according to the preference, Universal location number service providing method incorporating heterogeneous network address in the SIP network. The method of claim 7, wherein In step d), Iii) receiving a SIP call request message from the corresponding terminal of the user; Iv) upon receiving the SIP call request message, confirming whether the user subscribes to the universal location service through the SIP call request message; And Iii) performing the outgoing call processing by transmitting the SIP call request message to the called party's terminal when the user is subscribed to the universal location service as a result of step iii); Universal location number service providing method integrating heterogeneous network addresses in a SIP network including a. The method of claim 10, In step iii), the SIP call request message is transmitted by including the user's number requesting the call from the terminal and the universal location number of the called party in a header. How to Provide Universal Location Number Services. The method of claim 10, In step (iii), the SIP call request message includes a universal location number of the user in a header and is transmitted to the terminal of the called party. delete The method of claim 6, In step e), Iii) confirming whether the called party subscribes to the universal location service through a SIP call request message received from the calling party; Iii) if the called party has subscribed to the universal location service as a result of step iv), transmitting the SIP call request message to the first network local address based on the priority of the universal location number of the user to establish the incoming call; Universal location number service providing method incorporating heterogeneous network addresses in a SIP network comprising a. The method of claim 14, A header of the SIP call request message includes a universal location number of the called party and is received from the caller, If the calling party's universal location number exists, the sender further includes the calling party's universal location number in the header of the SIP call request message and is sent to the called party; A method for providing a universal location number service incorporating heterogeneous network addresses in a SIP network. The method of claim 14, Step iii), Retrieving a priority for the universal location number; Receiving an incoming call to a network corresponding to a first priority as a result of the priority search; And When it is impossible to reach the network corresponding to the first priority, performing a call processing to the network corresponding to the second priority according to the priority search. Universal location number service providing method integrating heterogeneous network addresses in a SIP network including a. The method of claim 14, The result of step iii) above, If the called party is not subscribed to a universal location service, sending the SIP call request message to another universal location server Universal location number service providing method incorporating heterogeneous network addresses in a SIP network further comprising. In a session initiation protocol (SIP) network, a user having a plurality of terminals subscribed to a plurality of networks to provide a universal location service with one universal location number, a) assigning said universal location number to a user subscribed to said universal location service; b) registering the user's network local address with the assigned universal location number; c) mapping said user's universal location number to a local address of said network; d) after the step c), when a user makes a call request, performs a call processing on the universal location number to provide the universal location service; And e) after the step c), when the call is received by a user who has subscribed to the universal location service, performing a call processing based on the priority of the universal location number of the user to provide the universal location service. Record carrier that implements.

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