CN101163281B

CN101163281B - Method of implementing forward-shifting service shielding on fixed access of mobile subscriber

Info

Publication number: CN101163281B
Application number: CN2007101958573A
Authority: CN
Inventors: 吴�琳; 史敏锐
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2012-07-04
Anticipated expiration: 2027-11-30
Also published as: CN101163281A

Abstract

The present invention discloses a method of realizing the forward business shield when mobile subscribers are fixedly 1accessed, including: a FAMU system sends a call to a corresponding PSTN exchanger of the gateway to set up an ISUP request according to fixed telephone numbers; in the call for setting up an ISUP request, IAM information configures the number of forwarding time into the maximum stipulated by the system. The proposal provided by the present invention solves the conflict between the called continuation when mobile subscribers are connected with the fixed network and the complementary business of conditional forwarding time called usually used on PSTN lines, which ensures that when PSTN is accessed, mobile subscribers and the users of PSTN can normally go through the PSTN line for telecommunication without affecting the use of the complementary business of conditional forwarding called by original PSTN users.

Description

The implementation method of mobile subscriber's forward-shifting service shielding under fixing the access

Technical field

The present invention relates to fixed communication technology, communication network field in the communications field, be meant the implementation method of a kind of mobile subscriber forward-shifting service shielding under fixing the access especially.

Background technology

Telecom operators are making great efforts to promote fixed network and are moving fusion (FMC) technology and professional development both at home and abroad at present; FMC can realize the mutual supplement with each other's advantages between the network; The advantage of landline telephone is a speech quality; Bandwidth, telephone expenses are cheap, and the advantage of mobile phone is the convenience with sufficient mobility and use.FMC makes the user can select the cut-in method of least cost for the user provides best access means and selection approach, experiences the communication service of consistent mobile, personalization.

A kind of application of FMC is that the user uses same terminal, and same number can insert fixing and mobile communications network neatly, obtains consistent business experience.We are referred to as mobile subscriber's fixed network access application this application.

This technology of being applied in realizes, needs specific multi-mode terminal equipment, the cooperation of wireless access gateway equipment and core network system.

Multimode terminal is supported the wireless access of public mobile communications network and is linked into fixed network through indoor short-distance wireless covering to communicate.Wireless access gateway provides the wireless access that is applicable to indoor short distance communication at user side, and the fixedly access in arrowband or broadband is provided at network side.The network system of on network, handling this application is referred to as FAMU (Fixed Access for MobileUser) system.

Even the mobile subscriber is under fixed network inserts; Also can remain on mobile network's use habit; Under fixed network inserted, during other customer call mobile subscriber numbers (MSISDN), calling can be routed on the portable terminal through fixed network; Portable terminal meeting ring, the user can use portable terminal to answer the call by common mode.In the indoor wireless coverage, when the user can use portable terminal to pass through the fixed network exhalation, be user's mobile subscriber number (MSISDN) to the end subscriber numbers displayed.

If fixed line is busy or no response and when on fixed line, having applied for divert when busy and Call Forwarding No Reply; Usually PSTN (PSTN) exchange opportunity is carried out the preceding processing of changeing by the divert when busy number or the Call Forwarding No Reply number of this fixed line; But to the mobile subscriber in the PSTN network insertion call treatment in following time; When PSTN line be busy or no response, should not handle by the preceding commentaries on classics attribute of fixed line; Therefore during the mobile subscriber under the PSTN network insertion that continues, need divert when busy on the PSTN circuit or Call Forwarding No Reply business be shielded, and prior art still is not directed against this way to solve the problem.

Summary of the invention

In view of this, the present invention proposes a kind of mobile subscriber in the fixing implementation method of forward-shifting service shielding down that inserts, and during mobile subscriber under the PSTN network insertion that continues, realization shields divert when busy on the PSTN circuit or Call Forwarding No Reply business.

Comprise in the implementation method of forward-shifting service shielding under fixing the access based on above-mentioned purpose a kind of mobile subscriber provided by the invention: when the corresponding PSTN switch of gateway sent setup requests ISUP, call forward time was set to the maximum that system stipulates in the IAM message in setup requests ISUP signaling according to fixed telephone number in the FAMU system.

This method further is provided with the information of sending elsewhere in the IAM message:

Bit CBA sends the expression language elsewhere: call out change;

Bit D: subsequent use;

The former redirecting reason of bit HGFE: 0000;

Bit KJI redirection counter: 5 times;

Bit L: subsequent use;

Bit POMN redirecting reason: unconditional.

When this method terminal called was replied, the PSTN switch was transmitted to the FAMU system with terminal responds, and flow is normal call handling process; When if fixed line is busy or no response; If this circuit has been applied for divert when busy or Call Forwarding No Reply, redirection counter has been maximum among this IAM of PSTN switch inspection, does not then handle preceding commentaries on classics; Give the FMAU system but return REL message, the FAMU system handles according to operation flow accordingly.

The said FAMU of this method system takes a step forward to the corresponding PSTN switch transmission setup requests ISUP of gateway according to fixed telephone number and comprises: the calling subscriber initiates the calling to the mobile subscriber, and this call arrival mobile switch MSC handles;

MSC at first is initiated to the inquiry of customer location register/home subscriber server (HLR/HSS), inquiry called subscriber's service attribute and routing iinformation;

HLR/HSS returns this user's called service information fixed network access service;

MSC handles this call according to called service information to the FAMU system;

The FAMU system obtains the fixed telephone number and the host ID of the gateway of the current access of this user according to called subscriber's MSISDN Query Database, sends setup requests according to the fixed telephone number of gateway to the corresponding PSTN switch of gateway.

Saidly can find out from top; The implementation method of mobile subscriber provided by the invention forward-shifting service shielding under fixing the access; Solved the collision problem of mobile subscriber's called type of supplementary service of conditional forwarding commonly used on called connection and PSTN circuit under the fixed network access; When the present invention proposes the mobile subscriber under the PSTN network insertion that continues; With the method that the divert when busy on the PSTN circuit or Call Forwarding No Reply business shield, the mobile subscriber is inserted down and PSTN user can both normally communicate and not influence the use of former PSTN user's conditional forwarding class supplementary service through the PSTN circuit at PSTN.

Description of drawings

Fig. 1 is the fixing system configuration sketch map that inserts of existing mobile subscriber;

Fig. 2 calls out the schematic flow sheet of mobile subscriber number for the embodiment of the invention.

Embodiment

With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.

The fixing system configuration that inserts of mobile subscriber is referring to shown in Figure 1.After in the coverage of multimode terminal entering wireless access gateway; Gateway and multimode terminal are set up wireless connections; Gateway can be initiated register requirement automatically; It is telephone number information, the host ID of the fixed line that inserts of gateway and the called service attribute of revising mobile subscriber number that the FAMU system will upgrade user position information; After succeeding in registration, will be triggered to the FAMU system to mobile subscriber's calling and handle.

The MSISDN that supposes the 3G/ Bluetooth terminal is 13500000000; After registration is accomplished at the terminal, on SCP, preserve the incidence relation of MSISDN, host ID and the fixed line number at this terminal, call out the flow process of mobile subscriber number and see shown in Figure 2:

Step 1, the calling subscriber initiates the calling to mobile subscriber 13500000000, and this call arrival mobile switch (MSC) is handled.

Step 2, MSC at first is initiated to the inquiry of customer location register/home subscriber server (HLR/HSS), inquiry called subscriber's service attribute and routing iinformation;

Step 3, HLR/HSS returns this user's called service information (fixed network access service).

Step 4, MSC handles this call according to called service information to the FAMU system.

Step 5; The FAMU system is according to called subscriber's MSISDN (13500000000) Query Database; Obtain the fixed telephone number and the host ID of the gateway of the current access of this user; Fixed telephone number according to gateway sends setup requests to the corresponding PSTN switch of gateway, and call forward time is set to the maximum of system's regulation in initial address message (IAM) message in this setup requests Integrated Service Digital Network User Part (ISUP) signaling.

In step 5; If fixed line is busy or no response and when on fixed line, having applied for divert when busy and Call Forwarding No Reply; Usually the PSTN exchange opportunity is carried out the preceding processing of changeing by the divert when busy number or the Call Forwarding No Reply number of this fixed line; But to the mobile subscriber in the PSTN network insertion call treatment in following time; When PSTN line be busy or no response, should not handle, therefore during the mobile subscriber under the PSTN network insertion that continues, need divert when busy on the PSTN circuit or Call Forwarding No Reply business be shielded by the preceding commentaries on classics attribute of fixed line.When in the PSTN network, adopting the No.7 signaling; When continuing PSTN circuit (linking the mobile subscriber) through gateway; When the FMAU system initiates the calling to gateway in step 5; Through the parameters such as the information of sending elsewhere in the IAM message among the ISUP are set, realize that to the professional shielding of the conditional forwarding of PSTN, concrete parameter is referring to shown in the table 1:

Parameter name	The content of filling in	Type
			Type of message	IAM(01)	F
Connect character and represent language	(00)	F
			Forward direction is called out the expression language	All directions are used ISDNYong Hubufen (2000)	F
The calling subscriber representes language	Domestic consumer (F8)	F
			The request of medium media	Voice (00)	F
Called number	The number of the fixed line that gateway inserted	V
			Calling number	Rear subscriber number	O
Original called party number	The mobile subscriber number of being dialed	O
			The number of sending elsewhere	The mobile subscriber number of being dialed	O
Send information elsewhere	Bit CBA sends the expression language elsewhere: call out change bit D: the former redirecting reason of Spare bit HGFE: 0000 bit KJI redirection counter: 5 bit L: Spare bit POMN redirecting reason: unconditional	O

Table 1

Bit KJI redirection counter in the table 1: 5 times is the maximum of system's regulation.Number of times according to CCITT (CCITT) suggestion Call Forwarding is 3-5 time; According to post and telecommunications network technology regulation " about professional technical stipulations such as open Call Forwarding, voice mail, phonecards " (GF009-94); The preceding commentaries on classics number of times of Call Forwarding On Busy is restricted to 1 time; The number of times of Call Forwarding No Reply can or surpass 3 times (the long time no answer Looking Out Time of long-distance/international call is 90 seconds/120 seconds) for 3 times (calling out the long time no answer Looking Out Time in the local telephone network scope is 60 seconds); For reducing the call proceeding time delay and preventing to call out circulation; When adopting the No.7 signaling, the number of times that in call, changes before the restriction call can be restricted to 1 time.Therefore when the PSTN switch receives that redirection counter is 5, because preceding commentaries on classics number of times has reached maximum times, if when PSTN line be busy or no response and registration when divert when busy and Call Forwarding No Reply service attribute are arranged, commentaries on classics processing before switch will not carry out.If register on the PSTN circuit divert when busy and Call Forwarding No Reply service attribute are not arranged, then the PSTN switch will not checked the redirection counter parameter.

Step 6, the PSTN switch sends ALERTING message to gateway, carries this host ID in the message.

Step 7, terminal called is replied, and the PSTN switch is transmitted to the FAMU system with terminal responds, and flow is normal call handling process; When if fixed line is busy or no response; If this circuit has been applied for divert when busy or Call Forwarding No Reply; Redirection counter has been 5 among this IAM of PSTN switch inspection; Then do not handle preceding commentaries on classics, give the FMAU system but return release message (REL), the FAMU system handles according to operation flow accordingly.

Description of the invention provides for example with for the purpose of explaining, and is not the disclosed form that exhaustively perhaps limit the invention to.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.

Claims

1. a mobile subscriber is in the implementation method of fixing forward-shifting service shielding under the access; It is characterized in that; Comprise: when the corresponding common exchanging telephone network PSTN switch of gateway sent setup requests, call forward time was set to the maximum of system's regulation in the initial address message IAM of the ISUP ISUP of setup requests signaling according to fixed telephone number in the FAMU system;

When terminal called was replied, the PSTN switch was transmitted to the FAMU system with terminal responds, and flow is normal call handling process; When if fixed line is busy or no response; If this circuit has been applied for divert when busy or Call Forwarding No Reply, redirection counter has been maximum among this IAM of PSTN switch inspection, does not then handle preceding commentaries on classics; Give the FMAU system but return REL message, the FAMU system handles according to operation flow accordingly.

2. method according to claim 1 is characterized in that, the information of sending elsewhere among the IAM further is set:

Bit CBA sends the expression language elsewhere: call out change;

Bit D: subsequent use;

The former redirecting reason of bit HGFE: 0000;

Bit KJI redirection counter: 5 times;

Bit L: subsequent use;

Bit POMN redirecting reason: unconditional.

3. method according to claim 1; It is characterized in that; Said FAMU system sends setup requests ISUP signaling according to fixed telephone number to the corresponding PSTN switch of gateway and takes a step forward and comprise: the calling subscriber initiates the calling to the mobile subscriber, and this call arrival mobile switch MSC handles;

MSC at first is initiated to the inquiry of customer location register/home subscriber server HLR/HSS, inquiry called subscriber's service attribute and routing iinformation;

HLR/HSS returns this user's called service information;

The FAMU system is according to called subscriber's mobile subscriber number MSISDN Query Database; Obtain the fixed telephone number and the host ID of the gateway of the current access of this user, send setup requests to the corresponding PSTN switch of gateway according to the fixed telephone number of gateway.