KR20020040483A - Method of Broadcasting Message in VPN - Google Patents

Abstract

PURPOSE: A method for notifying a message in a virtual private network is provided to leave a voice message to be notified to termination subscribers in a same group by a virtual private network origination subscriber and transmit the voice message when an other subscriber in the corresponding virtual private network group attempts a call. CONSTITUTION: A corresponding SSP(Service Switching Point) requests an SCP(Service Control Point) to retrieve a broadcast message list of a corresponding termination subscriber on the basis of position information of the termination subscriber(S72). If a broadcast message exists in the broadcast message list, the SCP transmits a signal for leading connection with an IP. If the SSP stops call process and transmits an initial address message to the IP, the IP transmits an address complete message or an answer message to the SSP and forms a connection path for transmitting a guidance broadcasting and the broadcast message to the SSP(S73). The IP transmits the corresponding broadcast message from the broadcast message list of the SCP(S74) and deletes the broadcast message transmitted from the broadcast message list(S75). The SCP transmits a signal for disconnecting the connection with the IP to the SSP, and the IP releases the connection path for transmitting the guidance broadcasting and the broadcast message to the SSP(S76). If the SSP transmits a signal for providing trigger information for requesting analysis and location information to a corresponding termination number to the HLR(Home Location Register), the corresponding HLR transmits a response signal to the SSP and connects the call to the termination subscriber(S77).

Description

Message Broadcasting Method in Virtual Private Network {Method of Broadcasting Message in VPN}

The present invention relates to a message broadcasting method in a virtual private network, and in particular, when a virtual private network subscriber using an intelligent network in a switching system leaves a voice message to be broadcasted to other subscribers in the group, a virtual voice message is not checked. The present invention relates to a message broadcasting method in a virtual private network that allows other subscribers in a private network group to send a broadcasting message when a call is attempted.

In general, a virtual private network is a data network in which public infrastructure is configured for the purpose of an individual company by using tunneling protocols and security procedures. In addition, virtual private networks are contrasted with proprietary networks or leased lines, which can only be used by one company, and they provide services that are almost equivalent to leased lines, while lowering costs by sharing the public network, rather than all companies renting lines individually. to provide.

The virtual private network as described above has a message broadcasting function, and the broadcasting message uses a voice mailbox. The process of accessing the voicemail box depends on the location of the voicemail box. If the calling subscriber's voice mailbox exists in the same exchange that the calling subscriber tries to call, the HLR requests the location information of the Home Location Register (HLR), and the HLR voicemail information (eg, voicemail ID, voicemail pin #, mailbox). #) Is sent. However, if there is a voice mailbox of the called subscriber at the exchange to which the calling subscriber attempts to make a call and other exchanges, Temporary Local Directory Number (TLDN) information for routing to the called subscriber's voice mailbox is provided according to the response signal to the location information of the HLR. The outgoing subscriber call processing block translates the TLDN using number translation and routes it to the destination exchange to access the voicemail box using the voicemail control call processing block.

On the other hand, the method for storing the voice message by accessing the voice mailbox as described above will be described with reference to the flowchart of FIG.

First, when the calling subscriber makes a call to the called party (step S11), it checks whether there is a response from the called party (step S12), and if there is a response from the called party, connects a general voice call (step S13). . However, when the called party is turned off, busy, located in an unserviceable area, or in an unresponsive state, call transfer is made to a voice mailbox (step S14). Therefore, if a voicemail is connected (step S15), and the calling subscriber leaves a voice message, the voice message is stored in the voicemail box (step S16). Subsequently, a short message service (SMS) informing the calling subscriber that the corresponding voice message has been stored in the voice mailbox is transmitted (step S17).

Subsequently, when a notification short message is transmitted to the called subscriber informing that the voice message is stored in his / her voicemail box, a method of confirming the voice message by the called subscriber will be described with reference to the flowchart of FIG. 2.

First, the incoming subscriber confirms the notification short message that the voice message is stored in the voice mailbox, and then performs a call transmission (step S21), and is connected to his voicemail box (step S22). The called party confirms the stored voice message in the connected voicemail box (step S23), and ends the call with the voicemail box.

As described above, in the virtual private network, the outgoing subscriber cannot directly access the incoming subscriber's voicemail unless the incoming subscriber is turned off, busy, located in an unserviceable area, or in an unresponsive state. The same message could not be broadcast to the subscriber.

In addition, the incoming subscriber receives a notification short message indicating that the voice message has been stored in his or her voice mailbox, and it is inconvenient to confirm the voice mailbox by accessing his or her voice mailbox.

The present invention is to solve the general problems as described above, the purpose of the virtual private network call subscriber using the intelligent network to leave a voice message to be broadcast to the subscribers in the group, other subscribers in the virtual private network group To send a voice message when a call is attempted.

1 is a flow chart showing a general voice message storage method.

2 is a flowchart illustrating a general voice message checking method.

Figure 3 is a scenario showing an intelligent private network virtual network according to the present invention.

4 is a scenario illustrating a process of storing a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to the present invention.

5 is a flowchart illustrating a process of storing a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to the present invention.

6 is a scenario illustrating a process of transmitting a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to the present invention.

7 is a flowchart illustrating a process of transmitting a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to the present invention.

The message broadcasting method in the virtual private network of the present invention for achieving the above object comprises the steps of storing a voice message for the virtual private network subscriber to broadcast to other subscribers in the group; The other subscriber is characterized in that the made including the process of transmitting the stored broadcast message when the call attempt.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The message broadcasting method in the virtual private network using the intelligent network according to the present invention will be described with reference to the scenario of FIG.

First, when a call origination is performed from an originating subscriber to an SSP (for example, an originating exchange), when the SSP requests the first LOCREQ to the HLR, if the called party is a non-intelligent network subscriber, there is no trigger for the called party number, so it is a response signal. Locreq provides location information about the called party, and if the called party is an intelligent network subscriber, HLR triggers advanced_termination and location triggers to ask the SCP in charge of the network processing. An advanced_termination trigger is applied to the SSP, which performs the ANLYZD-anlyzd operation to SCP. In the process, the called number is analyzed and the IP connection is established. In addition, the location trigger is triggered by the SSP, so the second LOCREQ-locreq operation to the HLR is performed. At this time, the location information of the called subscriber can be obtained.

The subscriber who listens to the broadcast message continues the call processing after the SSP establishes a connection with the IP between the ORREQ-orreq and talks to the actual called party. However, the subscriber who leaves the broadcast message leaves the message after the SSP connects to the IP between ANLYZD-anlyzd and receives a parameter to drop the call in anlyzd.

In other words, the subscriber who leaves the message does not originate to establish a call with the actual called subscriber, so only the ANLYZD-anlyzd operation is performed and the call is disconnected.

As described above, the interval to connect with IP is between ORREQ-orreq and ANLYZD-anlyzd, and the subscriber who leaves the broadcast message is connected between the ANLYZD-anlyzd and the subscriber who listens to the broadcast message between ORREQ-orreq. Connect with IP.

A method of storing a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to an embodiment of the present invention will be described with reference to the scenario of FIG. 4 and the flowchart of FIG. 5.

First, when the SSP sends a signal ORREQ requesting the call to the SCP (step S51), the SCP sends a response signal (orreq) to the SSP. Accordingly, when the SSP requests HLR for the analysis and location information request (ANLYZD-anlyzd) and the trigger information for the second (LOCREQ-locreq) for the called party number (LOCREQ) to the HLR, the corresponding HLR sends a corresponding response signal. Send (locreq) to the SSP. At this time, the HLR checks whether the called party number is the virtual private network representative number (step S52), if the called number is not the virtual private network representative number, performs the virtual private network service, and at this time, an ANLYZD signal is performed (step S53), If the representative number of the virtual private network, the SSP transmits a data analysis request signal (ANLYZD) to the SCP, and after analyzing the data, the SCP determines whether or not to connect to the IP. CONNRERS) to send an IP connection. When the SSP sends an initial address message IAM (Initial_Address_Message; hereinafter referred to as 'IAM') to the IP through an ISUP (ISDN User Part) message of the No.7 common line signaling network, the IP again sends an ACM (Address_Complete_Message; ACM) message to the SSP. In the following, an AMC or ANM (Answer_Message; hereinafter called an ANM) is delivered to form a connection path for storing announcements and broadcast messages in the SSP at the IP (step S54). Then, the broadcast message is stored in the SCP according to the announcement of the IP (step S55). After storing the broadcast message, SCP transmits a signal (DISCONNERS) to the SSP to terminate the connection between the SSP and the IP in order to terminate the connection path for announcement and storage of the broadcast message (step S56). The addition is made to the subscriber broadcast message list (step S67).

A method of transmitting a broadcast message in a message broadcast method in a virtual private network using an intelligent network according to an embodiment of the present invention will be described with reference to the scenario of FIG. 6 and the flowchart of FIG. 7.

First, when the SSP requests call origination (step S71), the broadcast message is sent by ORREQ-orreq, and the process is as follows. The SSP requests the SCP to retrieve the broadcast subscriber's broadcast message list based on the location information of the called subscriber (step S72), and if the broadcast message list does not exist in the SCP, proceeds with the call processing. (Step S77), if a broadcast message is present in the broadcast message list, the SCP transmits a signal (CONNERS) for inducing connection with the IP. At this time, the SSP stops the call processing for a while and sends an IAM, an initial address message, to the SSP through the ISUP of the No.7 common line signaling network, and again, the IP delivers the ACM or ANM to the SSP. And a connection passage for sending the broadcast message (step S73). Thus, the IP is sent out from the broadcast message list of the SCP (step S74), and then the sent message is deleted from the broadcast message list (step S75).

On the other hand, SCP transmits a signal (DISCONNERS) for terminating the connection between the SSP and the IP to the SSP, and then terminates the connection path for announcement and broadcast message transmission from the IP to the SSP (step S76). After the broadcast message is sent, the SSP continues the call processing that has been interrupted for a while.The signal that the SSP gives the trigger information to analyze and request the location information (ANLYZD-anlyzd and the second LOCREQ-locreq) for the called party number (LOCREQ). ) To the HLR, the HLR sends a response signal to the SSP. Thus, the virtual private network subscriber connects the call to the called subscriber who first attempted the call (step S77).

Although the preferred embodiments of the present invention have been described in detail above, it will be understood by those skilled in the art that the present invention may be modified or modified in various ways. Therefore, changes of the embodiments of the present invention will not be able to escape the technical scope of the present invention.

As described above, according to the present invention, when a virtual private network originating subscriber using an intelligent network leaves a voice message to be broadcasted to a called party in the group, the called party sends a voice message at the time of a call attempt, so that the called party sends a broadcast message. It is possible to avoid the inconvenience of having to connect to the call to confirm.

Claims (3)

Storing a voice message to be broadcast to other subscribers in the group by the virtual private network subscriber; And transmitting the stored broadcast message when the other subscriber attempts to make a call. The method according to claim 1, The process of storing the voice message to be broadcast to other subscribers in the group, the virtual private network subscriber, Performing a call origination; Confirming whether a virtual private network representative number is performed by performing a number translation on the call origination; Performing the IP access if the number translation result is a virtual private network representative number; Storing a broadcast message in the SCP according to the announcement of the IP; Terminating the IP connection; Method of broadcasting a message in the virtual private network, characterized in that further comprising the step of adding the message to the broadcast message list of the SCP. The method according to claim 1, When the other subscriber attempts to call, the process of transmitting the stored broadcast message, Performing a call origination; Retrieving the broadcast message list of the SCP; Performing an IP access if there is a broadcast message as a result of the search; Transmitting a corresponding broadcast message according to the announcement broadcast of the IP; Message broadcasting method in a virtual private network, characterized in that further comprising the step of terminating the IP connection.