KR20010057106A - The receipt method of Internet phone for intelligent IP terminals using personal number - Google Patents

Abstract

PURPOSE: A method for receiving an Internet phone of an intelligent IP terminal is provided to offer an Internet phone directory service for a public network applied to PSTN(Public Switching Telephone Network) with an intelligent terminal such as a PC, an H.323 terminal and an IP phone by using a lifetime number. CONSTITUTION: A registrant(60) registers his/her own lifetime number on a lifetime number system to map with an Internet protocol address of an intelligent terminal. Searching for the gateway address corresponding to the Internet protocol address of the registrant, and stores the Internet protocol address and the corresponding gateway address in the profile of the registrant. As a user(64) makes a phone call to the lifetime number of the registrant, a ring signal is transmitted to the registrant on the basis of the gateway address of the registrant. After finishing the call, if either the registrant or the user hangs up the phone, the call is released.

Description

The receipt method of Internet phone for intelligent IP terminals using personal number}

The present invention relates to a method for providing an Internet phone receiving service of an intelligent terminal using a lifetime number, and more particularly, by providing a directory service for a public network using a lifetime number function, such as an intelligent terminal such as a PC, an H.323 terminal, and an IP phone. The present invention relates to a method for providing an Internet phone service applied to a PSTN.

With the spread of PCs and the expansion of the Internet, TCP / IP-based data services have attracted great attention, and packet voice technology for providing voice services over the Internet or packet networks has been activated with the advantages of increased Internet demand and low prices. In addition, the importance of voice services is emerging in packet networks.

The Internet phone service is a service that provides a similar service to the existing phone service by delivering voice traffic such as voice communication and voice band fax through the internet network through interworking of the Internet and the PSTN network.

Internet phone service can be classified into four types according to the call type of the sender and receiver, namely, phone-phone method, PC-phone method, phone-PC method, and PC-PC method.

Until now, the Phone-PC or PC-PC type of Internet phone service is limited to some small limited networks or private networks, but not directly to public communication networks. In the existing public telecommunication network, a phone-phone type internet phone service is provided.

In order for an intelligent terminal to receive a call from a telephone or wireless terminal of a public telecommunication network, the intelligent terminal must have an Internet Protocol (IP) address and an E.164 address corresponding thereto. I need a mapping function.

This directory function can be implemented according to the actual application in the IP network or PSTN / IN, but has not been applied to the PSTN by utilizing the lifetime number function of the intelligent network.

The following is a description of a conventional phone-PC voice call procedure that does not use the intelligent network function or does not use the service identification number of E.164.

First, Registrant A registers the user identification number and the IP address of the terminal in the Internet phone number system. The Internet phone number system finds a gateway address corresponding to the registrant A's IP address and stores the IP address and the corresponding gateway address in the registrant A's profile. Then, the ordinary telephone, the wireless terminal, or the intelligent terminal user B dials the Internet phone number system to which Registrant A subscribes. User B then enters a user identification number for Registrant A, and the Internet Phone Number System establishes a VOIP line with Registrant A. As the registrant A sends a telephone signal, the registrant A picks up the handset, and when the call ends, the registrant A or user B drops the handset and releases the call.

The general phone-PC voice call procedure described above is applied to the general Internet phone concept and reference model shown in FIG. 1.

In the general Internet phone service network shown in FIG. 1, a gatekeeper 10, a gateway 12, an intelligent terminal, a PC 16, and an IP phone 18 are connected to a local area network (LAN) 14, and a PSTN. The Public Switching Telephone Network (20) is connected to the gateway 12, the wireless terminal 22, which is a PSTN terminal, and a general telephone 24.

The gatekeeper 10 performs registration, authorization, and state management functions and routing and address translation functions for the input service call, and the gateway 12 packetizes the input voice or converts the packetized voice into a PCM ( Pulse Code Modulation), voice compression, silence cancellation, call setup, and signaling arbitration.

As described above, the conventional Phone-PC voice call applied to a general Internet phone service network requires a two-step number input process. That is, the registrant A should make a call to the registered internet phone number system or gateway, and enter a user identification number (ID) when the announcement is made. Therefore, it is inconvenient because the number 2 is entered for the call with the registrant A.

The above-mentioned conventional phone-PC or PC-PC Internet phone service is limited to a private network or a small network. In order to apply these services to the public network, it is necessary to implement a directory function for mapping IP addresses and E.164 addresses of intelligent terminals and to manage a separate number system for service identification. In addition, in order to provide Internet phone service, a lot of investment costs are required according to separate equipment and line configuration, and additional costs are required for attracting new customers and independently operating customer information management systems.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and is applied to an existing public PSTN network to provide inexpensive Phone-PC or PC-PC Internet phone services to a large number of general telephone and wireless terminal users. The purpose is to provide a method of receiving an Internet phone of an intelligent IP terminal using a lifetime number.

In order to achieve the above object, the Internet phone receiving method of the intelligent IP terminal using the lifetime number according to the preferred embodiment of the present invention, the registrant registers his lifetime number in the lifetime number system and maps the Internet protocol address of the intelligent terminal Making process;

Finding a gateway address corresponding to the registrant's internet protocol address and storing the internet protocol address and the corresponding gateway address in the registrant's profile;

Sending a telephone signal to the registrant based on the registrant's gateway address as the user dials the registrant's lifetime number; And

And after the telephone call is made by the registrant, a call is released if the handset is dropped among the registrant or the user.

1 illustrates a general Internet phone concept and reference model

2 is a block diagram of an Internet phone receiving service network to which the present invention is applied

3 is a flow chart illustrating the signal flow processed in the present invention.

4 is a flowchart illustrating a method for providing an Internet phone receiving service of an intelligent terminal using a lifetime number according to an embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

10: gatekeeper 12, 61: gateway

14: LAN (Local Area Network) 16, 18: intelligent terminal

20, 36: PSTN (Public Switching Telephone Network)

22, 24: PSTN terminal

30: Intelligence Network (IN)

34: Service Control Point (SCP)

38, 63: Local Exchange (LE)

40: Signal Transport Point (STP)

60: Registrant A 62: Lifetime Number Server

64: User B

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

In an embodiment of the present invention, the intelligent IP terminal uses a lifetime number as an E.164 address corresponding to the IP address of the intelligent IP terminal in order to receive a call from a telephone or a wireless terminal of a public communication network. The directory function, which maps IP addresses and E.164 addresses, allows you to extend the lifetime number function of intelligent networks. By providing the directory function using the numbering and lifetime number of the intelligent network, the phone-PC or PC-PC type internet phone service can be applied to the public network. That is, the method to be applied in the embodiment of the present invention is a Phone-PC or PC-PC method, which is an intelligent IP terminal (PC, IP phone, H.323 terminal) in which a user of a general phone or a wireless terminal is connected to the Internet. It is a service that enables voice calls.

FIG. 2 is a diagram illustrating a structure and a service configuration between a terminal and a communication network for an Internet phone service for providing a Phone-PC service using a lifetime number proposed in the present invention.

The gateway 12 has a function of packetizing a voice or PCM of a packetized voice, a voice compression, a silence cancellation function, and a call setup and signaling arbitration function. The gatekeeper 10 has a Registration Admission and Status (RAS) function, a call routing function, and an address translation function.

The gatekeeper 10 is connected to the Internet network 50, and the PC 16 and the IP phone 18 are also connected to the Internet network 50.

The gateway 12 is connected to the Internet network 50, the PSTN 36 and the intelligent network 30. At the boundary between the PSTN 36 and the intelligent network 30, a service transport point (STP) 40 is installed. The intelligent network 30 includes a service control point (SCP) 34 and a storage means 32 connected to the service control system 34 and storing a personal number (PN). The PSTN 36 has a Local Exchange (LE) 38 connected to a landline 24.

The service control system 34 is connected to the gateway 12 via a signal repeater 40 for the delivery of signaling information, and the local exchange 38 is connected to the signal repeater 40.

3 is a flowchart illustrating a signal flow processed step by step according to an embodiment of the present invention.

In the first step, registrant A 60 registers with his lifetime number server 62 to map his lifetime number to the IP address of the intelligent terminal.

In the second step, the lifetime number server 62 finds the gateway address corresponding to the IP address of the registrant A 60 and stores the IP address and the corresponding gateway address in the profile of the registrant A 60.

In the third step, user B 64 using a regular telephone, wireless terminal or intelligent terminal dials the lifetime number of registrant A 60.

In the fourth step, the local exchange 63 connected to the user B 64 receives the gateway number for the call with the registrant A 60 through the intelligent network.

In the fifth step, the local exchange 63 sends a call to Registrant A 60 after establishing a call with the gateway.

In the sixth step, the registrant A 60 picks up the handset and talks.

In step 7, registrant A 60 or user B 64 drops the handset after the call is over.

In the eighth step, the call is released.

Here, the procedure of registering the IP in the lifetime number of the user performs the first step only once, except in the case of changing to another IP address or other receiving method for the intelligent terminal, and calls are performed from the second to the eighth steps. Every time it receives.

"A" shown in FIG. 3 represents the procedure from the first to the second step, and "B" represents the procedure from the third to the sixth step. Steps 7 and 8 are call release procedures after registrant A 60 or user B 64 drops the handset to release the call.

4 is a flow chart showing the overall flow from the third step to the eighth step of the service providing method according to an embodiment of the present invention, after the registrant A 60 registers the lifetime number service, the user B 64 registers the registrant A ( 60 is a flow chart showing the procedure that the Internet phone service system handles when calling.

When the user B 64 enters the called number for the call request with the registrant A 60 in the waiting state (step 70), the called number is received from the local exchange 63 (step 71), and the local exchange 63 ) Asks the lifetime number server 62 whether the incoming number currently entered is a lifetime number (steps 72 and 73).

As a result, when the called number is registered as a terminal other than the receiving number of the intelligent IP terminal, the lifetime number server 62 delivers the registration terminal number to the local exchange 63 ("n" in step 74). The local exchange 63 then sets up a call to the other registration terminal (step 75).

However, if the called number is registered as an intelligent IP terminal, the gateway (GW) number for the called number is transmitted to the local exchange 63 ("y" in step 74), and the local exchange 63 receives the intelligent terminal reception service. In step 76, call signaling with the corresponding gateway is performed.

By the call signaling of step 76, the corresponding gateway 61 uses the call setup information of the user B 64 to set up the VOIP call between the registrant A 60 and the gateway 61. A call path is opened between registrant A 60 (step 77).

When the setting of the call between the user B 64 and the registrant A 60 is completed (step 78), service usage information is recorded (step 79), and the call between the user B 64 and the registrant A 60 is made. (Step 80), the call is released (step 81) when the handset is dropped from either the user B (64) or the registrant A (60).

According to the present invention as described above, from the viewpoint of the operator, it is possible to provide a new service early. In other words, by using the intelligent network function, it is possible to reduce the equipment investment due to separate network construction, equipment introduction, subscriber management system, service logic, and marketing, and by utilizing existing network equipment, circuit, subscriber information, and intelligent network service platform. It is possible to increase the utility of network resources of the operator, to effectively utilize the number resources by utilizing the identifier of the lifetime number, and to easily implement the gatekeeper function by using and expanding the intelligent network function.

From the user's point of view, it is possible to provide inexpensive call service by bypassing voice traffic to the Internet network and using voice compression technology, and to provide a lot of call opportunities to registrants and users. In other words, users can make calls using intelligent IP terminals such as PCs, IP phones, and H.323 terminals, in addition to using ordinary telephones or wireless terminals.

And, from the user's point of view, by utilizing the intelligent network function, the target can be extended to the public network users rather than the private network or limited users, and the user does not enter a two-step number to the registrant who wants to receive using the intelligent terminal. The call is only possible by inputting the step number, thereby providing convenience.

On the other hand, the present invention is not limited to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, such modifications and changes should be regarded as belonging to the following claims. will be.

Claims (2)

Registering the lifetime number with the registrant's lifetime number system and mapping the Internet protocol address of the intelligent terminal; Finding a gateway address corresponding to the registrant's internet protocol address and storing the internet protocol address and the corresponding gateway address in the registrant's profile; Sending a telephone signal to the registrant based on the registrant's gateway address as the user dials the registrant's lifetime number; And And after the telephone call is made by the registrant, releasing the call from the registrant or the user. The method of claim 1, The registrant registers his or her IP address in a lifetime number only once, except when changing to another Internet protocol address or another reception method for the intelligent terminal. Receiving service provision method.