CN1195257A - Method and system for implementing number mobile service - Google Patents

Abstract

The invention discloses a number flow (NP) service realization method and system thereof. At least one intelligent network NP platform including an NP user database is added to the existing telecommunication network, and one or several steps in the NP call Hand it over to the intelligent network NP platform to realize. The NP platform of the intelligent network adds some software modules on the basis of the existing intelligent network hardware and software, which can analyze whether the calling user is an NP user, and/or analyze whether the called user is an NP user, and/or replace Calling NP user number, and/or replacing called NP user number and other steps. The method and system of the present invention hand over the NP service to the intelligent network for realization, separate the service from the exchange, thereby greatly saving the memory resources of the switch, improving the connection speed of the switch, and improving the portability of software and the consistency of data .

Description

Method and system for implementing number mobile service

technical field

The present invention relates to the field of providing services to network terminals in a telecommunication network, and more specifically relates to a method and system for realizing internal number flow services in a telecommunication network.

Background technology and existing problems

Number portability (Number Portability, hereinafter referred to as NP) service is a service that does not change the number when the phone is moved. That is to say, after the user is set as an NP user by the telecom operator, and the NP user moves from one place to another, his phone number remains unchanged, and other users can still use the original phone number to call this user; when the NP user acts as the main When a call is made, the calling number sent is also the original number. This movement can be within one exchange, or between two exchanges or even multiple exchanges. As a result of the number flow, an NP user has two telephone numbers: one is an open number, called "external number" or "mobile number", and the other is an internal number used for exchange and connection, called "internal number". number" or "continuation number".

NP services are not within the scope of the 25 intelligent services defined by ITU-T. In the prior art, there are also some manufacturers' products that realize this service, but not through the intelligent network, but within the switch. The method of realization is to add at least one field in the data structure of the user database of the exchange to store the connection number of the NP user. That is to say, the data of NP users is placed in the user database of the switch together with the data of ordinary users.

Figure 1 shows an example of implementing NP services in the prior art. In step 101, a user dials a number to initiate a call. The exchange receives the number at 102 . After the number is received, step 103 is executed to determine whether the calling user is an NP user. At 104, the exchange replaces the original calling number of the NP subscriber with its mobile number as the new calling number. Then, in step 105, it is judged whether the called user is an NP user, which also needs to be judged by searching the user database, the result will have the following two situations: 1, the called user is an NP user, at this time the original called number is replaced by the called continuation number,

As the new called number, then continue 2. If the called party is an ordinary user, then continue normally.

The operations of each step shown in Figure 1 are all performed by the switch.

Although the NP service can be well realized by adopting the switch in the prior art, there are some problems as follows:

(1) NP user data is stored on the switch, occupying the very precious switch memory resources, making the use of memory tight, especially after the sudden increase of NP users, the situation is more obvious.

(2) The speed of connection is affected, because NP users are relatively few in number compared with ordinary users. If each call is processed, all data in the entire user database must first be searched to determine whether the called party is an NP user, which greatly affects Connection speed.

(3) There are problems in portability. The above implementation method is implemented for the special situation of the telecommunications network in a certain area, and may not be applicable to other areas. Even if the regional factors are not considered, the implementation technology depends on the specific manufacturer. switch.

(4) In terms of management and maintenance, because the data of NP users are distributed on many switches, this brings great difficulties to data consistency and statistics.

purpose of invention

Therefore, the object of the present invention is to provide a method for realizing NP services by using an intelligent network, and one or more of the NP calls (referring to a call in which at least one of the calling user and the called user is an NP user) process The first step is handed over to the intelligent network to realize, thereby reducing the processing capacity of the switch, reducing the waste of resources, and improving the connection speed.

Another object of the present invention is to provide an intelligent network NP platform system for realizing the above method. On the basis of the existing intelligent network networking structure, software and hardware, some software modules are added to realize NP services. The service and the exchange are separated, the data of the NP user is concentrated in the intelligent network for processing, and the call processing amount of the exchange is reduced, thereby overcoming the above-mentioned problems in the prior art. Summary of the invention

For this reason, the present invention provides a kind of realization method of Number Mobile (NP) service, including collecting numbers, analyzing whether the calling user is an NP user, analyzing whether the called user is an NP user, replacing the number of the calling NP user, replacing The user number of called NP user, steps such as connecting, it is characterized in that: an intelligent network NP platform comprising an NP user database is set in the telecommunication network, wherein the mobile number of NP user and the corresponding connecting number are stored in the NP user database number, and at least one of the steps of replacing the NP calling user number and replacing the NP called user number is implemented by the intelligent network NP platform, and the other steps can be implemented by the switch.

In addition, the present invention also provides an intelligent network NP platform system for implementing the above method and providing number flow service (NP), which includes a service generation environment SCE, a service management access SMAP, a service management system SMS, and a service control point SCP and service switching point SSP and other components, among which the service generation environment SCE, service management access SMAP, service management system SMS, service control point SCP and service switching point SSP are connected through communication protocols, and all components are in the intelligent network NP platform The actions performed are as follows:

Define the service detection points, business logic and business data templates required to realize NP services through the service generation environment SCE, generate NP services, and verify and test the generated NP services;

The business management system SMS registers the NP business, loads the business detection point, business logic and business data template of the NP business to the service control point SCP, and monitors the execution of the NP business;

The service management access SMAP adds the external number (mobile number) and internal number (connection number) of the NP user to the NP user database in the service control point SCP through the service management system SMS;

The service control point SCP is set with a service logic program SCP for processing NP services and an NP user database. When the SCP initial detection point detects NP services, it calls the service logic program SLP for processing NP services to create an NP service The process instance, the process instance searches the NP user database and operates according to the above NP business logic;

The service switching point SSP is equipped with an NP service trigger detection mechanism, and when an NP call is detected, the NP call is transferred to the service control point SCP. The effect of the invention

Realizing the NP service with the intelligent network method not only solves the above-mentioned problems in the prior art, but also brings the following benefits:

(1) When the function of NP service needs to be supplemented, the previous service version can be dynamically upgraded through the intelligent network without modifying any software and data on the switch.

(2) The modification of the data of the NP user is carried out in the intelligent network, without involving the data of other common users, avoiding possible misoperation, thus ensuring the efficient operation of the switch.

(3) The database of NP users is implemented by a large-scale database system, such as Informix, which provides a complete means for data management and maintenance.

(4) If there is a problem with the NP service on the intelligent network, it will not affect the normal call processing of the exchange.

(5) Create conditions for the networking of NP services in a wide range.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a process flow diagram of implementing NP services by a switch in the prior art; Fig. 2 is a schematic diagram of the connection of the intelligent network NP platform system of the present invention; Fig. 3 is the present invention utilizing the intelligent network NP platform shown in Fig. 2 System generates the flow chart of NP service logic; Fig. 4 is the format chart of the NP user database adopted in the embodiment of the present invention; Fig. 5 is the schematic diagram of the call connection process when the NP user is called in the embodiment scheme (*) Fig. 6 is a schematic diagram of the call connection process when an NP user is used as a caller in the embodiment scheme (*); Fig. 7 is a process flow diagram of judging whether the calling user is an NP user with the intelligent network; Fig. 8 is a process flow diagram with the intelligent network Flowchart for judging whether the called user is an NP user.

Detailed ways

Fig. 2 is a structural diagram of the intelligent network NP platform system adopted by the present invention. The intelligent network NP platform system (hereinafter referred to as NP platform) 200 is connected to the public network PSTN 206 through a telecommunication network. The intelligent network NP platform system adopted by the present invention is consistent with the intelligent network model of ITU-T, and it includes the following components, the service generation environment SCE 201, the service management access SMAP202, the service management system SMS 203, the service control point SCP 204 and Service switching point SSP205. These components are a certain combination of hardware and software. In terms of hardware, the service generation environment SCE 201, the service management access SMAP 202, the service management system SMS 203, and the service control point SCP204 are one or more computers, which can be For PCs, workstations, minicomputers, medium-sized computers and even large-scale computers, the service switching point SSP is a switch with signaling switching function or some hardware modules with signaling switching function of ordinary switches; each component includes besides the above hardware Corresponding software: the service creation environment SCE 201 includes service generation software, the service management access SMAP 202 includes service management access software, the service management system SMS 203 includes service management software, and the service control point SCP 204 includes service control software, among which Service control software includes one or more service logic programs SLP for processing services, and a database point SDP for providing intelligent network services.

As mentioned in the aforementioned "Background Technology", NP services are not included in the services included in the ITU-T intelligent network recommendation, so the intelligent network system recommended by ITU-T does not include hardware or software dedicated to realizing NP services module. The embodiment of the present invention adopts the existing hardware and supporting software in the intelligent network system, and adds some software modules on the basis of the existing software, and forms the intelligent network NP through the original hardware, the original software and the added software modules. The platform implements NP services and completes the function of number flow.

Below in conjunction with all accompanying drawings, illustrate an embodiment of the present invention method and system, in conjunction with each accompanying drawing, illustrate hardware composition-respective function-software flow, and in conjunction with an example illustrate the working process of this system.

1. A business creation environment SCE 201, in the form of software, defines the business logic and business data required to realize the NP business, forms the NP business logic software module, thereby generates the NP business, and verifies and tests the generated NP business.

SCE 201 defines the data structure of an NP user database. As shown in Figure 4, the NP user database includes at least two fields: the external number (mobile number) and internal number (continued number) of the NP user, wherein the external number field stores the original number of the NP user, that is, the mobile number disclosed to the public , the internal number field stores the connection number after the flow of the NP user.

FIG. 3 shows the business logic for implementing NP services in a specific solution of the present invention. In step 301, the NP platform requests the exchange to report the called number of this call, and in step 302 receives the reported called number and system data, including the calling number. Step 303 is a post-configuration logic event, that is, to decide whether to process events such as user answering, disconnection, and abandonment, and how to process them. This step is optional and can be flexibly set as needed. In steps 304 and 305, the first three digits are extracted from the number reported by the exchange as the access prefix, for example, if the access prefix is 505, it indicates that the calling number is replaced, otherwise if the access prefix is 506 , it indicates that the called number is replaced, and a different branch is selected according to the judgment result. Steps 306-308 are the processing logic when replacing the calling number. In step 306, the NP user database is searched as a key word with the continuation number, if the same number as the original calling number is found, then replace the original calling number with the corresponding external number (mobile number) as the new calling number . Steps 309-311 are the processing logic when replacing the called number. In step 309, search the NP user database with the mobile number as a keyword, if find the same number as the original called number, replace the original called number with the corresponding connection number as the new called number. After the replacement, in step 312, the new calling number and/or called number are sent back to the exchange to complete the number replacement service.

Similar to the definition of the business logic of the above solution in the embodiment of the present invention, those skilled in the art can easily define the business logic of other solutions of the present invention.

According to the above-mentioned NP user database structure and business logic, those skilled in the art can use the existing technology to write out corresponding software programs, or according to the business independent components (SIBs) defined by the ITU-T agreement, generate the information used to realize the NP business software modules.

2. A business management system SMS 202, which loads NP business logic, NP business data and corresponding software modules into the business control point SCP 204, after which the business can run. During the operation of NP services, monitor and count the execution of NP services, and generate reports; remove them from the intelligent network when they are not needed.

3, business management access SMAP 202, when applying for NP business to the user, access SMAP 202 through business management, this user is set as NP user, writes the external number (mobile number) and the number of this user in NP user database internal number (continuation number), and load the newly added data in the NP user database into the service control point SCP 204 through the service management system SMS.

4. Service control point SCP 204. When the service management system SMS 203 loads the service logic related to NP services, service data templates and service detection points to the service control point SCP 204, a service control point SCP 204 generates a user The software module is used for processing NP business, and the software module includes a NP business logic processing program SLP and NP user database. The present invention uses a business key 500 to represent the NP business. When the SCP 204 detects the business key 500, it calls the NP business logic processing program SLP, operates according to the business logic of the NP business defined by the SCE 201, and searches the NP user database. Realize the judgment of NP users and/or the replacement of NP numbers. For example, in the case where the NP user in the above scheme is called, the processing flow of SCP 204 of the NP platform is as follows:

First, request the exchange to report the called number of this call, and then receive the reported called number and system data, including the calling number. Next, extract the first three digits from the number reported by the switch as the access prefix. Since it is to replace the called number, the access prefix is 506. Therefore, select the branch of replacing the called number and enter the replacement of the called number. The processing logic: search the NP user database with the mobile number as the keyword, and if the same number as the original called number is found, replace the original called number with the corresponding continuation number as the new called number. After the replacement, the new called number is sent back to the exchange to complete the number replacement process.

In addition, the service control point SCP 204 also reports to the service management system SMS 203 the execution and processing status of each service and the billing information.

5. At least one service switching point SSP 205. The NP service trigger detection mechanism is set in the service switching point SSP 205, and when the NP service is detected, it is reported to the SCP 205 and interacts with the service control point SCP 205.

In the embodiment of the present invention, the connection protocol between the components is as follows: between SCE 201 and SMS 203 is TCP/IP, between SMAP 202 and SMS 203 can be wide area network or local area network, between SMS 203 and SCP 204 is X. 25. No.7 signaling network between SCP and SSP.

Due to the existing intelligent network structure adopted by the present invention, the adopted hardware and most of the software are ready-made. Some other intelligent services, such as 168, VOT, MAS, etc., are already well known to those skilled in the intelligent network field. Therefore, according to the above description, it is not difficult for those skilled in the art to implement NP services on the intelligent network.

The method for realizing the NP service of the present invention will be further described in detail in conjunction with the embodiments below. In an NP service call, the telecom network generally needs to complete the following steps: receive the number, determine whether the calling user is an NP user, determine whether the called user is an NP user, replace the calling NP user number, and replace the called NP user number. Subscriber number, continued. In the processing method of the prior art shown in FIG. 1, all steps are completed by the switch. In the method of the present invention, number receiving and connection must be completed by the exchange, and the step of replacing the called NP user number is realized by the intelligent network NP platform, and judging whether the calling user is an NP user, judging whether the called user is an NP user, replacing The calling NP user number step can be completed by the switch or the intelligent network, and the switch reports the NP service to the NP platform of the intelligent network. In terms of specific implementation, there are two or more optional implementation methods for reporting, judging whether the calling user is an NP user, judging whether the called user is an NP user, and replacing the number of the calling NP user. It constitutes different specific technical solutions.

The following are optional implementations of each step:

1. The call can be reported to the NP platform by the call originating office (11) or the target office (12)

2. It can be judged whether the calling party is an NP user by the exchange (21) or the intelligent network (22)

3. It can be judged whether the called party is an NP user by the exchange (31) or the intelligent network (32)

4. The calling number replacement can be implemented on the exchange (41) or on the intelligent network (42)

Wherein the number label in the brackets represents the selection represented by the underlined content in front of it, such as (21) represents whether the calling number is judged as an NP user with the switchboard, and (42) represents realizing the modification of the calling NP number on the intelligent network. The combination of different selections from 1 to 4, together with receiving the number, replacing the called NP user number, and continuing steps, constitutes different specific implementation plans.

For example, in the embodiment of the present invention, the following schemes (hereinafter referred to as "scheme (*)") can be adopted: (12), (21), (31), (42), that is, the switch of the call destination office determines whether the master Whether the calling user and the called user are NP users, if the calling user and/or the called user are NP users, the target office will report the call to the NP platform, and the intelligent network will replace the calling number and/or called Number.

Fig. 5 and Fig. 6 are the schematic diagrams of two different calls in the explanation scheme (*), LS11, LS12, LS21, LS22 represent the local telephone terminal office switch, TM1, TM2 represent the local telephone tandem office switch, and the NP platform is provided by the present invention An intelligent network NP platform system for realizing NP services. Although four end offices and two tandem offices are marked in the accompanying drawings of the present embodiment, the telecommunication network structure adopted by the method of the present invention is not limited thereto, but may include more than one arbitrary number of local exchange end offices and /or other network structures of local tandem offices, even long-distance offices. In this embodiment, user B (the number is 6668888) originally belonging to the LS11 office moves to the LS22 office and applies for the NP service. Its internal number (continuation number) is 3332222, but the number used externally is still 6668888, as shown in Figure 5 It is a schematic diagram of call processing when user B is called. Common user A belonging to the LS21 office dials 6668888 to initiate a call. At this time, the telecom network performs the following steps:

1. LS21 receives the number. After analysis, the called number is located in the LS11 office, and the call is made to the original office LS11 of user B through TM2-TM1-LS11.

2. LS11 searches the user data table, and analyzes that the calling user A is an ordinary user, and the called user B is an NP user

3. LS11 uses call forwarding to report the call to the NP platform via TM1.

4. The NP platform searches the NP user database, obtains the new number 3332222 of user B in the LS22 office, and replaces the original called number 6668888 as the new called number

5. The NP platform sends the called number 3332222 back to TM1, and TM1 judges that the new called number is located in the LS22 office, and connects to user B via TM1-TM2-LS22.

FIG. 6 is a flow chart of call processing when an NP user acts as a calling party. The NP user B who moves from the LS11 office to the LS22 office, as the calling party, calls the ordinary user A belonging to the LS21 office, and the processing flow is as follows:

1. The LS22 exchange receives the number, and the analysis shows that the called user A is located in the LS21 office

2. The LS22 switch searches the user database, analyzes that the calling user is an NP user, and the called user is an ordinary user, and uses call forwarding to report the call to the NP platform

3. The NP platform searches the NP user database, obtains the external number 6668888 of user B, and uses it to replace the internal number 3332222 of user B as the calling number

4. TM2 connects according to the called number and the new calling number

In the scheme (*), there is no need to set the NP user number in the user database of the switch, but only need to add an "NP user mark" in the data structure of the switch user database. When a certain user is an NP user, the user's The "NP user flag" item is set to true, while for ordinary users, it is set to false. An NP user tag item can only occupy one byte or even one bit, thus greatly reducing the storage capacity.

Those skilled in the art can easily understand other solutions or other call processing procedures based on the description of the two call procedures in the above solution (*).

In the embodiment of the present invention, no matter whether it is the report of the call originating office or the report of the target office, there is no need to add or change any hardware equipment in the switching network, only a call forwarding module needs to be added in the software program for processing call connection, conditionally ( For example, when the switch judges that it is an NP user and the intelligent network replaces the number) or unconditionally (such as when the intelligent network judges the NP user and replaces the number), the call is reported to the NP platform. When reporting, add in front of the external number An access prefix, such as adding 505 in front of the calling number and 506 in front of the called number, forms a forwarding number together with the external number, and reports it to the NP platform together. After receiving the forwarded-to number, the NP platform extracts the access prefix, judges whether it is the calling number or the called number according to the access prefix, then removes the access prefix, restores the original number, and continues to perform the following operations.

An NP user database is provided in the NP platform, and its database structure can be designed in the format shown in Figure 4. When a user applies for an NP service, the NP platform adds data in the NP user database and fills in the user's external number ( That is, a mobile number or an open number) and an internal number (ie a continuation number). In this embodiment, the external number is 6668888 and the continuation number is 3332222. When searching and replacing the calling number, compare the calling number reported by the exchange with all the data in the "Continuation Number" column of the NP user database. If they are the same, it indicates that the user is an NP user. The number replaces the original calling number as the new calling number; when searching and replacing the called number, compare the called number reported by the exchange with all the data under the "External Number" column in the NP user database. , it indicates that the called user is an NP user, and the original calling number is replaced with the corresponding connection number as the new called number.

The steps for the NP platform to determine whether the calling user is an NP user are shown in Figure 7 in detail. In step 701, the calling number is extracted, and in steps 702～705, the extracted calling number is compared with the connecting numbers in the NP user database, as long as there is a connecting number identical with the calling number, it indicates that the calling user is NP user, then stop the comparison; otherwise, if all the connected numbers are different from the calling number, it indicates that the user is not an NP user, but an ordinary user.

The steps for the NP platform to determine whether the called user is an NP user are shown in Figure 8 for details. In step 801, the called number is extracted, and in steps 802～805, the extracted called number is compared with the mobile number (external number) in the NP user database, as long as there is a mobile number identical with the called number, it indicates that the If the called user is an NP user, the comparison is stopped; otherwise, if all mobile numbers are different from the called number, it indicates that the user is not an NP user, but an ordinary user.

Claims (19)

1. A method for implementing a number mobile (NP) service, comprising the following steps: receiving number, analyzing whether the calling user is an NP user, replacing the number of the calling NP user, analyzing whether the called user is an NP user, replacing the called user The number of the NP user is connected, and it is characterized in that: at least one intelligent network NP platform that includes the NP user database is set, and the external number (mobile number) and the corresponding internal number (connection number) of the NP user are stored in the described NP user database. ), the replacement of the called NP user number is realized by the intelligent network NP platform, and other steps can be realized by the exchange. 2. The method for realizing number mobile service according to claim 1, characterized in that the method further comprises: the step of the exchange reporting the calling number and/or the called number to the NP platform of the intelligent network. 3. The method for realizing the mobile number service according to claim 2, characterized in that the reporting step can be completed by the call originating office or the target office. 4. The method for realizing number mobile service according to claim 2, characterized in that the step of reporting the calling number and/or called number to the NP platform of the intelligent network by the exchange further includes: Add an access prefix before the and/or called number to form a forwarding number with the original calling number and/or called number, and the switch reports the forwarding number to the NP platform of the intelligent network. 5. The method for implementing number movement services according to claim 4, further characterized in that after the intelligent network NP platform receives the forwarded-to number, it extracts the access prefix, and judges the reported number according to the access prefix. Whether the number is the calling number or the called number, and select the corresponding operation according to the judgment result. 6. The method for realizing number mobile service according to claim 4, characterized in that the access prefix of the calling number is 505, and the access prefix of the called number is 506. 7, the realization method of NP service as claimed in claim 1, it is characterized in that can also utilize described intelligent network NP platform to analyze whether calling user is NP user, it comprises the following steps: search all in the described NP user database Internal number (continued number), judging whether there is an internal number (continued number) identical to the calling number, if yes, then indicating that the calling user is an NP user, otherwise, if not, then indicating that the calling user is a regular user. 8. The realization method of NP service as claimed in claim 1 or 7, characterized in that the intelligent network NP platform can also be used to replace the calling NP user number, which includes the following steps: using the same number as the calling number The external number (mobile number) corresponding to the internal number (continuing number) replaces the calling number as a new calling number. 9, the realization method of NP business as claimed in claim 1 is characterized in that can also utilize described intelligent network NP platform to analyze whether the called user is an NP user, and it comprises the following steps: search all in the described NP user database external number (mobile number), judge whether there is an external number (mobile number) that is the same as the called number, if yes, it indicates that the called user is an NP user, otherwise, if not, then it indicates that the called user is an ordinary user user. 10. The method for implementing NP services according to claim 1 or 9, characterized in that the step of replacing the called NP user number with an intelligent network comprises: using an internal number corresponding to the same external number as the called number (Continuation number) Replace the called number as a new called number. 11. The realization method of NP service as claimed in claim 1, characterized in that an NP user flag item is set in the user database of the exchange, for NP users, the NP user flag is set to true, and for ordinary users, set The NP user flag is set to false. 12. The method for implementing NP services according to claim 11, further characterized in that: the step of using the switch to judge whether the calling user and/or the called user is an NP user comprises: searching the user database in the switch; The value of the NP user flag item is used to determine whether the calling user and/or the called user are NP users. 13. The method for implementing NP services according to claim 11, further characterized in that: the NP user flag item occupies one byte or one bit. 14. The method for implementing NP services according to claim 1, characterized in that: the step of analyzing whether the calling user is an NP user and the step of analyzing whether the called user is an NP user are completed by the switch, and the replacement of the calling user The number step of the NP user and the number step of replacing the called NP user are completed by the NP platform of the intelligent network. 15. The implementation method of NP service according to claim 1, characterized in that: during the calling process, the NP platform of the intelligent network to which the calling user belongs replaces the number of the calling NP user, and the intelligent network platform to which the called user belongs NP platform to replace the called NP user number. 16. The method for implementing NP services according to claim 15, further characterized in that: the intelligent network NP platform to which the calling user belongs and the intelligent network NP platform to which the called user belongs are the same. 17. An intelligent network NP platform system for implementing the method according to claim 1, comprising a service generation environment SCE, a service management access SMAP, a service management system SMS, a service control point SCP, and a service switching point SSP, said The service generation environment SCE, the service management access SMAP, the service management system SMS, the service control point SCP and the service switching point SSP are connected through a communication protocol, which is characterized in that: The service generation environment SCE defines service detection points, service logic and service data templates of NP services, generates the NP services, and verifies and tests the generated NP services; The service management system SMS loads the service detection point, service logic and service data template of the NP service to the service control point SCP; The service management access SMAP adds the external number (mobile number) and internal number (connection number) of the NP user to the NP user database in the service control point SCP through the service management system SMS; The service control point SCP includes a service logic program SLP for processing NP services and an NP user database. When the SCP detects NP services, it invokes the service logic program SLP for processing NP services to create an NP service A process instance, the process instance operates according to the NP business logic, searches the NP user database and replaces the NP user number; When the service switching point SSP detects a service key indicating an NP service, it reports to the service control point SCP. 18. The intelligent network NP platform system according to claim 17, said business logic includes the following functional modules: A module that requests the exchange to send the called number; A module that receives the called number and system data; A module for extracting the access prefix before the called number and/or calling number; and Module to replace the called number; Send the replaced new number back to the switch's module. 19. The intelligent network NP platform system according to claim 17, the service key of the NP service is 500;

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