CN1055366C - Program-controlled exchange based honeycomb concentration system communication method and system - Google Patents
Program-controlled exchange based honeycomb concentration system communication method and system Download PDFInfo
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Abstract
一种基于程控交换机的使有线无线融为一体的新型蜂窝式集群通信方法及其系统，该系统不仅能保留原程控交换机的全部功能，而且还实现了无线用户和有线用户的等位拨号、由交换机控制的组呼、群呼、双工、单工呼叫，对无线用户的鉴权和准确计费功能以及不同交换机之间的漫游访问，进而实现系统的大区域联网自动漫游。
A new cellular trunking communication method and system based on a program-controlled switch that integrates wired and wireless systems. The system not only retains all the functions of the original program-controlled switch, but also realizes equal dialing between wireless users and wired users Group call, group call, duplex call, simplex call controlled by switch, authentication and accurate billing functions for wireless users, and roaming access between different switches, so as to realize automatic roaming of large-area networking of the system.
Description
The present invention relates to communication system, relate more specifically to a kind of based on stored-program control exchange the honeycomb fashion cluster communication method and realize the system of this method.
The mobile subscriber of existing stored-program control exchange or wireless user insert also to have and realize by subscribers feeder connecting channel controller and wireless transmitting-receiving equipments, but because legacy user's line (or E/M trunk line) interface system is a system that independence is disperseed again, each channel controller stores the relatively-stationary user data related with this channel controller, each channel controller independent process call proceeding, such channel controller is not suitable for multichannel work, be not easy to management, and because channel controller and switch do not have communication channel, a lot of functions can't realize, so often have following several or whole shortcomings: (1) system usually can not be with wired, switched wireless also is stored in the switch, and can not or be difficult to realize the number dialing with the same length function of wireless user and wire user; (2) often do not have the one-stage dialing function, but need two-stage dialing, use is extremely inconvenient and the speed that continues is slow; (3) system only is one or more independent channels, can not share between the channel resource, and switch does not have the function to the search of idle channel and choosing group, and channel utilization is low; (4) system does not have by transmitting the function of caller handset identities sign indicating number (or calling out sign indicating number) on the subscribers feeder, even mobile phone has been in main call state, switch is not known yet, this moment, switch just sent calling to channel controller as if this mobile phone called party, and owing to can not get replying of wireless user effectively in the air, send busy tone to caller again, channel controller is taken out stitches again, has wasted radio channel resource like this, has influenced service quality; (5) wireless user data of existing system all is to leave in the channel controller, if the system of one 30 channel is installed, will there be 30 parts data to leave in respectively in 30 channel controllers, consistency of data sharing is difficult to guarantee, revising data very bothers, both be not easy to management, limited the increase of user capacity again; (6) existing system does not generally have the ability that inserts a plurality of group systems in a switch simultaneously, and the automatic roaming between a plurality of system is complicated, and efficient is not high; (7) processing speed that continues of system is often slower, be not always the case such as the channel controller of subscriber line interfaces such as G80, G82, ST852, this mainly since secondary dial tone postpone and receive sign indicating number bit interval time-delay etc. and cause; (8) use the system base-station of user interface to be difficult to zoom out,,, influence the utilance of channel if, take radio channel resource again by the MODEM remote side administration because need set management data and get charging bill by serial ports; (9) system's charging is inaccurate, and when being exhaled because of mobile phone, switch can't be known mobile phone, and whether off-hook is replied, but just begins to charge when mobile phone begins ring, and this causes mistake to charge easily; When the mobile phone master exhaled, channel controller did not have the busy tone testing circuit, do not know whether switch really connects the called subscriber, so channel controller can't accurate billing.
Purpose of the present invention will solve the above-mentioned a series of problems of existing in prior technology exactly, provide a kind of utilize general link circuit or E/M trunk interface with wireless device insert common stored-program control exchange and then realization make the wire and wireless exchange combine together perfect in shape and function the honeycomb fashion cluster communication method and realize the system of this method.
More particularly one object of the present invention is, a kind of honeycomb fashion cluster communication method based on stored-program control exchange is provided, utilize this communication means, the repertoire that can not only keep former stored-program control exchange, and can realize the number dialing with the same length of wireless and wire user, by the group calling of switch control, group busy, duplex, single worker are called out, urgent call, and to wireless user's authentication and accurate billing function, and many clusters can be provided or organize user's automatic roaming more, in the group user also can carry out group calling, group busy, single worker calling, urgent call etc.
Another object of the present invention is to provide a kind of honeycomb concentration system based on stored-program control exchange, this system not only possesses for the repertoire that reaches above-mentioned purpose of the present invention but also switch and can insert and the many arbitrarily group wireless colonies of management equipment according to self capacity, thereby realize the roamings of organizing between group systems with a switch more, but also can realize roaming access between the different switches, and then the big area networking automatic roaming of the system of realization.
For this reason, a kind of honeycomb fashion cluster communication method that provides according to above-mentioned purpose of the present invention based on stored-program control exchange, by many groups user interface described switch is connected to a plurality of cluster subsystems, described cluster subsystem respectively comprise the channel controller (CHC) that connects one of described one group of user interface respectively be connected described channel controller respectively comprise some Wireless Telecom Equipments such as wireless phone, base station, described communication means comprises:
For each cluster subsystem is provided with a virtual Private Branch Exchange PBX number, i.e. group system number or claim basic station number; Each wireless user data includes code element identification division such as virtual Private Branch Exchange PBX number, the outer sign indicating number of mobile phone, mobile phone identification sign indicating number and indicates group callings, grouies busy, the authentication sign of urgent call, indicates slave parts such as called charging, new business data and metering data; When described channel controller has detected the wireless phone master when exhaling, just report type of call sign indicating number, caller authentication code, called number or called wireless user's number or group number or group number and end mark to stored-program control exchange, described switch refuses to exhale sign indicating number or approval sign indicating number to come the processing of control channel controller to calling out by channel controller is sent out.Described switch is when having detected the wireless user when being exhaled, just find this user's authentication code according to the outer sign indicating number of wireless user, and the virtual Private Branch Exchange PBX of this user under at that time number, from this virtual switch subscribers feeder group, select idle channel to send ring, after receiving the channel controller off hook signal, send authentication code, signaling rises exhales; The wireless user can breathe out in any one group system of this system, and the while switch software is updating user data dynamically, realizes that the wireless user is exhaled in any one group system.
The characteristics of communication means of the present invention also are: the mode bit between the channel controller of switch and E/M trunk interface is the direct current marking signal, transmitting-receiving sign indicating number between the channel controller of described switch and subscriber line interface adopts GB DTMF, for described subscriber line interface, utilize 0-9 numeral and " * " among the DTMF, " # " comes representative telephone number, utilize the combination of the A-F letter among the DTMF to represent signaling, off hook signal is connected with subscribers feeder and is represented, represent on-hook signal with the subscribers feeder open circuit, called subscriber answer is represented with hooking, the signaling of called subscriber answer adopts channel controller to send " hooking " signal forwarding to switch, switch begins to start charging after receiving the hooking signal, for the E/M trunk interface, directly adopt called off hook signal as the charging commencing signal.
According to communication means provided by the invention, the authentication code that described switch was found this user according to the outer sign indicating number of wireless phone when the wireless user was called out is selected idle channel to send the ring signaling to rise to exhale to may further comprise the steps then:
(1) whether detection is just busy by the calling wireless user; If exhaled the wireless user just busy, then sent busy tone to caller; If exhaled wireless user's free time, then according to outside this called subscriber's the mobile phone yard virtual Private Branch Exchange PBX item of finding in pairing authentication calling sign indicating number and this user data of users storehouse record;
(2) from the pairing a plurality of subscribers feeders of the virtual Private Branch Exchange PBX found number (be group system number or claim basic station number), select an idle line, as do not have idle line, then send busy tone to the calling party; Then send bell signal to channel controller if any idle line by a selected free subscriber line;
(3) described channel controller is sent out off hook signal after detecting above-mentioned bell signal immediately;
(4) after described switch detects described channel controller off hook signal, send the authentication code of Called Subscriber to described channel controller with the minimum number of the sending out bit interval that is not less than the GB regulation;
(5) described channel controller receives this authentication code and decision bits and surpasses at interval when GB is maximum to allow bit interval, stops to collect the digits;
(6) by the base station equipment calling handset, and whether successfully call out by time limit control judgement, when calling does not become, this channel controller is sent out on-hook signal, send the voice suggestion of relevant " you the pager master of institute shuts down " or " calling exceeds radio coverage " by switch to the calling party, on the contrary execution in step (7) during access success;
(7) channel controller is given called bell signal by the base station, and switch sends it back ring signal to the calling party simultaneously;
(8) behind the called off-hook, channel controller sends the hooking signal to subscribers feeder, the success of expression call setup, and switch receives that this hooking signal promptly begins to charge.
Above-mentioned wireless user can be mobile phone, Vehicle mounted station, fixed station, travelling carriage.
Realize a kind of honeycomb concentration system of said method of the present invention based on stored-program control exchange, this system comprises switch, a plurality of cluster subsystems and a plurality of wireless user, described cluster subsystem respectively connects with described switch by one group of user interface, described cluster subsystem comprises the channel controller that connects described one group of subscriber line interface respectively, the a plurality of base stations that connect described channel controller respectively, the splitter that is connected with described a plurality of base stations input, the mixer that is connected with described a plurality of base stations output, the output of described mixer is connected with transmitting antenna, the input of described splitter is connected with reception antenna, so that described a plurality of wireless user can with described base station communication, it is characterized in that in described switch, comprising a roaming data storage device that is used to store the roaming data, so that described switch is finished continue control and the automatic renewal roaming data of handling wireless calling, and described channel controller is Unsupervised " making mute " channel controller.
By above general introduction as seen, the invention provides a kind of group system that wire communication and radio communication is fused into the one perfect in shape and function, method is easy, cost is lower, especially effectively solve the communication issue of the stringing areas in hardship such as mountain area, coastline, rivers and lakes district, forest zone, and can be used for the place that various private network, office, enterprises and institutions, rural area, mobile network etc. need wireless mobile communications.Trunked communication system more particularly of the present invention has the improvement of following several respects performance:
(1), realized big capacity mobile subscriber's big regional automatic roaming in the system, thereby realized zone location and the roaming processing of switch the mobile subscriber by roaming automatic registration and reporting the caller authentication code;
(2) wireless user, wire user can be incorporated into the power networks and deposit, number dialing with the same length between the Wireless-wire user;
(3) not only removed the process of two-stage dialing from, and listened the secondary dial tone time-delay and receive the time-delay of sign indicating number bit interval, adopted fast automatic authentication code of switch, thereby improved call proceeding speed greatly by removing;
(4) by the switch unification system data and number of users are managed, the unified charging, and can accurate billing (by called off-hook, channel controller send the hooking signal to switch, just begins to start charging);
(5) by the switch centralized management, not only improve power system capacity greatly, guaranteed the consistency and the correctness of data simultaneously, need not Decentralization as before, repetitive operation, thus made things convenient for administering and maintaining of system;
(6) switch can realize group calling, group busy, the control of the accurate and flexible of single worker, duplex calls, urgent call;
(7) switch can receive and processing caller authentication code by subscribers feeder, thereby can know the busy spare time of any time mobile phone.When mobile phone is just busy, has removed call attempt from, thereby improved the utilance of channel wireless phone.
(8) any time under the improved channel controller off hook state of the present invention all has the function of the following line code (cry again and refuse to exhale sign indicating number or on-hook sign indicating number) that detects convertor user line and send, like this, can not only finish illegal mobile phone refused to exhale control, can realize simultaneously to group busy, the control of group calling etc., and can listen busy tone permanent or do not hang up properly under the situations such as mobile phone for a long time at mobile phone, system discharges taking of wireless channel automatically, has improved channel utilization.
Now in conjunction with the accompanying drawings and embodiments, further specify purpose of the present invention, characteristics and effect, in the accompanying drawing:
Fig. 1 a and 1b are the composition block diagrams of an embodiment that the present invention is based on the honeycomb concentration system of stored-program control exchange;
Fig. 2-Fig. 9 is a logic diagram of implementing the system shown in Figure 1 of communication means of the present invention, wherein:
Fig. 2 is the process chart of the wireless user being exhaled process;
Fig. 3 is the process chart of wireless user master being exhaled process;
Fig. 4 is the process chart of the duplex calls process when wireless user master is exhaled;
Fig. 5 is the process chart of single worker's calling procedure when wireless user master is exhaled;
Fig. 6 is the process chart of grouping busy process when wireless user master is exhaled;
Fig. 7 is the process chart of group-calling process when wireless user master is exhaled;
Fig. 8 is the process chart of roam registration process when wireless user master is exhaled;
Fig. 9 is the process chart of emergency calling process when wireless user master is exhaled;
In the system of the present invention shown in Fig. 1 a, each switch 100 links to each other with common telephone user 110 and can be connected to interoffice trunk 140, switch 100 is connected to a plurality of group systems 300 by subscribers feeder 130, shown in Fig. 1 b, each group system 300 has a plurality of channel controllers 310, channel controller 310 is connected to a plurality of base stations 320, base station 320 all is connected to mixer 330 and splitter 360, mixer 330 is connected to transmitting antenna 340, splitter 360 is connected to reception antenna 350, each group system 300 in the switch 100 is specified different logic number, the mobile subscriber can be a mobile phone 400, Vehicle mounted station or fixed station 410, they can be roamed between group system 300, pass through x.25 Packet Based Network or DDN net or NO.7 signaling 200 transmission roaming informations between the switch 100.Each group system 300 can have nearly 32 channels, and each switch 100 can connect a plurality of group systems, realizes the mobile communication system of larger capacity.
In this embodiment system of the present invention, adopt DTMF transmitting-receiving coding mode between the channel controller 310 of switch 100 and subscriber line interface, and adopt FSK transmitting-receiving coding mode between the channel controller of E/M trunk interface.Can change the transmitting-receiving signal of switch according to the transmitting-receiving coded signal of channel controller.
Data management and the functions such as authentication, charging of present embodiment by removing channel controller, change Unsupervised " making mute " channel controller into, handle call proceeding control by switch, thereby allow channel controller report type of call and the existing old system of caller ID sign indicating number to increase many new features to switch, as, any one wireless user can realize calling transfer, meet novel business functions such as busy registration, interruption-free, provides possibility for a plurality of group systems of access and mobile subscriber in a switch roam between a plurality of group systems.The wireless user data unification of a plurality of group systems is left in the tables of data of switch, it number is virtual Private Branch Exchange PBX number that every user data all comprises the present place of this wireless user group system, when the mobile subscriber when a group system enters another group system, report caller wireless user identity code by the channel controller in the group system to switch, thereby learn that this mobile subscriber has roamed in the new system, switch upgrades this wireless user's data automatically, then go to new group system and select idle channel this mobile subscriber made a call as if the calling that has this mobile subscriber next time.
Channel controller for subscriber line interface, because subscribers feeder does not have the ability of command transmitting, but the ability that transmission " A "-" F " dual-tone multifrequency character is arranged, and the plain old telephone number is not used these characters, represent signaling so in present embodiment, utilize these characters and combination thereof, represent off hook signal with the subscribers feeder loop, represent on-hook signal, represent that with the hooking signal called mobile phone replys with subscribers feeder open circuit.Thereby can allow switch to the channel controller control that continues.Channel controller increases the type of call sign indicating number and the caller ID sign indicating number of fixed length to the signaling of switch, thereby allows switch know caller wireless user identity and the type of this time calling out by subscribers feeder.
For the channel controller of E/M trunk interface, adopt the direct current signal of GB GF002-9002.4 definition, transmission is shown the spare time, is taken, takies signals such as confirmation, called party answer, off-hook, on-hook.In view of the above, the present embodiment system has realized that one is unified control, unified management, brand-new honeycomb group system that function is stronger by switch.
In the present embodiment system, utilizing on the basis of virtual Private Branch Exchange PBX, the one group of subscribers feeder that is connected to channel controller is set in the trunk line of virtual Private Branch Exchange PBX, in the wireless user data storehouse, deposit virtual Private Branch Exchange PBX number (be group system number or claim basic station number) in, store simultaneously the outer sign indicating number of mobile phone (cell-phone telephone number), mobile phone calling authorization sign indicating number or catchword, group code, group busy, whether urgent call has the right sign, user data such as called charging and new business data, metering data whether.When the mobile phone master exhales, adopt channel controller to report type of call sign indicating number+caller catchwords+quilt number/called wireless user's number/group number/group number+end mark, switch can be sent out channel controller and refuse to exhale sign indicating number or approve and yard come the processing of control channel controller to calling.When mobile phone is called out, adopt switch, find wireless user's authentication code, select idle channel to send the ring signaling to rise then and exhale automatically according to the outer sign indicating number of wireless user (telephone number).
The present embodiment honeycomb concentration system is to realize communication means of the present invention like this, promptly specifically comprises following components:
Treatment step when (1) wireless user is called:
As shown in Figure 2, at first at step S201, receive called wireless user's telephone number by switch, enter step S202 then: check the wireless user data storehouse, judge wireless user's mobile phone legitimacy of caller, illegal as the caller mobile phone, then step enters S203 and sends sky to switch, the wrong number sound, if caller is legal, then enter step S204: check whether called wireless user is just busy, if it is just busy, then enter the S205 step: send busy-back signal to the calling party, if callee's free time, then enter step S206: find channel that called wireless user's authentication code and this user use and connect virtual Private Branch Exchange PBX number, it is group system number, enter S207 step then: in the subscribers feeder of virtual Private Branch Exchange PBX number, select idle line, as the no trunk road, then enter S208: send busy-back signal to the calling party, if any idle channel, then enter the S209 step: give the channel controller ringing-signal feeding by subscribers feeder, after detecting ring, channel controller enters the S210 step immediately: send off hook signal to switch, proceed to the S211 step again: switch is issued channel controller with called authentication code immediately, 60 milliseconds in crack of its number interdigit (adjustable length), then at S212, channel controller collects the digits and goes on foot at S213: judge whether bit interval surpasses 200ms (adjustable), if T ≯ 200ms then continues step S212, and when T＞200ms, think that then the switch signaling finishes, enter the S214 step, by the base station equipment calling handset, call out not then, enter S215: channel controller disconnect user line is also sent voice suggestion " you the pager master of institute shut down ＂ or your calling of ＂ exceeded radio coverage " to the calling party, when exhaling mobile phone, system enters the S216 step: channel controller send ring-back tone to caller for called wireless user's ring while switch by the base station, in case called wireless user's off-hook (S217), channel controller promptly send the hooking signal to subscribers feeder, the notice switch begins to charge (S218), call setup success so far.
This shows, a switch can insert a plurality of group systems, realize that it is to characterize by virtual Private Branch Exchange PBX in the wireless user data number (group system number) item that mobile phone is current and be in which group system (being in the radio coverage of which base station) that mobile phone is exhaled, thereby that base station mobile handset of virtual Private Branch Exchange PBX appointment is exhaled from wireless user data.The renewal of this item number certificate is that the mobile phone master is upgraded by switch software when exhaling.
Treatment step when (2) wireless user master exhales:
In this example, the wireless user is a mobile phone, and its processing procedure is as follows:
As shown in Figure 3, behind the mobile phone off-hook signaling (S301), system enters S302: channel controller is received a sign indicating number back connecting subscribers participating line, and by subscribers feeder to the switch signaling, institute's signaling comprises: 7+called number of 1+mobile phone identification of type of call sign indicating number sign indicating number/called mobile phone number/group number/group number+end mark.
Then, at S303, differentiate the type of call sign indicating number: these sign indicating numbers comprise that (type of call sign indicating number for ' 0 ') urgent call (type of call sign indicating number for ' 1 ') duplex calls, (type of call sign indicating number for ' 2 ') single worker call out, (type of call sign indicating number for ' 3 ') grouies busy, (type of call sign indicating number for ' 4 ') group calling, (type of call sign indicating number for ' 5 ') roam registration, promptly judge this type of call sign indicating number belong to above-mentioned which kind, then, carry out the respective call of institute's determined type and handle at S304.Below this is illustrated one by one.
Duplex calls when (2.1) wireless user master exhales is handled
In the S303 of Fig. 3 step, when judging type of call and being duplex calls, carry out following steps shown in Figure 4:
At first, go on foot at S401, send out to switch by channel controller: " 1 "+caller authentication code+called number+" F ", then at S402, described switch is judged the legitimacy of caller mobile phone, and is illegal as the caller mobile phone, then enters the S403 step: described switch is sent the signal " BBB " of this mobile phone exhalation of relevant refusal then at S404 to channel controller, described channel controller is made the respective handling that the refusal mobile phone is breathed out after receiving ＂ BBB ＂ refusal sign indicating number; If step S402 judges that the caller mobile phone is legal, then go on foot at S406, switch is judged the main virtual Private Branch Exchange PBX number under the channel that mobile phone takies (be group system number or claim basic station number) of exhaling, number whether identical with the pairing Private Branch Exchange PBX of this mobile phone in the wireless user data, if the judged result of step 406 is ＂ denys ＂, then at S407, upgrade in this wireless user data virtual Private Branch Exchange PBX number and be current Private Branch Exchange PBX number, enter step S408, if the judged result of step S406 is that ＂ is ＂, then directly enter step S408: send approval exhalation signal " AAA " to channel controller by switch, described channel controller is after receiving the above-mentioned signal of switch, promptly, exhale mobile phone to send out handshaking signal to main in the S409 step.
Single worker's call treatment when (2.2) wireless user master exhales
In the S303 of Fig. 3 step, when judging type of call and be single worker and calling out, carry out following steps shown in Figure 5:
At first, at S501 by channel controller to the switch signaling: " 2 "+caller authentication code+called mobile phone number+" F ", then go on foot at S502, switch is according to the legitimacy of receiving the authentication code judgement caller mobile phone in the sign indicating number, illegal as the caller mobile phone, then at S503, described switch sends the signal that this mobile phone of refusal is breathed out to channel controller, as " BBB ", and channel discharged; If step S502 judges that the caller mobile phone is legal, then go on foot at S506, switch judges whether the main pairing Private Branch Exchange PBX of this mobile phone of exhaling in virtual Private Branch Exchange PBX number under the channel that mobile phone takies (be group system number or claim basic station number) and the wireless user data is number identical, if it is different, then go on foot at S507, virtual Private Branch Exchange PBX in this wireless user data number is updated to current Private Branch Exchange PBX number, enter step S508, if the judged result of step S506 is that ＂ is ＂, then directly enter step S508: the authentication code of finding the callee by switch according to the number of called mobile phone, whether judge called legal, if illegal, if execution in step S503 then is legal, carry out S509: switch sends signal " the AAA "+called authentication code that comprises approval sign indicating number and called authentication code to channel controller, so far single worker's call setup success.
Group busy the process of foundation when (2.3) wireless user master exhales
Judge type of call when grouping busy in the S303 of Fig. 3 step, carry out following steps shown in Figure 6:
At first go on foot at S601, by channel controller to the switch signaling: this sign indicating number is " 3 "+caller authentication code+group number+" F " in this example, then at S602, switch is judged the legitimacy of caller mobile phone according to the caller authentication code, illegal as the caller mobile phone, then enter step S606: described switch sends the signal (BBB) that relevant this mobile phone of refusal is grouied busy to channel controller, and channel is discharged;
If the S602 step judges that the caller mobile phone is legal, then enter step S603 step: switch is judged the main virtual Private Branch Exchange PBX number under the channel that mobile phone takies (be group system number or claim basic station number) of exhaling, number whether identical with the pairing Private Branch Exchange PBX of this mobile phone in the wireless user data, if this judged result is ＂ denys ＂, then at S604, virtual Private Branch Exchange PBX in this wireless user data number is updated to current Private Branch Exchange PBX number, enter step S605 again, if the judged result in S603 step is that ＂ is ＂, then directly enter step S605: judge that by switch this mobile phone has or not the power of grouping busy, if do not group busy power, then carry out S606.
Group busy power if S605 judges the exhalation mobile phone, then in the S607 step, switch sends to channel controller and grouies busy approval coded signal " AAA ".
Group call establishment process when (2.4) wireless user master exhales
Carry out following steps shown in Figure 7 when judging type of call for group calling in the S303 step of Fig. 3
At first at S701, by channel controller to the switch signaling: this sign indicating number is ＂ 4 ＂+caller authentication code+group number+＂ F ＂ in this example, then go on foot at S702, switch is received sign indicating number and is judged the legitimacy of caller mobile phone according to the caller authentication code, illegal as the caller mobile phone, then at S703, described switch sends the signal " BBB " of this mobile phone group calling of relevant refusal to channel controller, and channel is discharged;
If the S702 step judges that the caller mobile phone is legal, then go on foot at S705, switch is judged the main virtual Private Branch Exchange PBX number under the channel that mobile phone takies (be group system number or claim basic station number) of exhaling, number whether identical with the pairing Private Branch Exchange PBX of this mobile phone in the wireless user data, if it is different, then in S706 step, upgrade in this wireless user data virtual Private Branch Exchange PBX number and be current Private Branch Exchange PBX number, enter S707 again; If the judged result in S705 step is that ＂ is ＂, then directly enter step S707: judge that by switch this mobile phone has or not group calling power,, then carry out S703 if judge there is not group calling power.
If S707 judges the exhalation mobile phone group calling power is arranged, then send group calling approval coded signal (" AAA ") to channel controller at the S708 switch.
For each group calling, group busy and single worker calls out that only take a channel, switch does not participate in the call proceeding process, channel controller will remain permanently in the communication process, and after conversation discharged, channel controller was sent out on-hook signal again, the notice switch stops to charge this channel idle.
Roam registration processing procedure when (2.5) wireless user master exhales
When judging type of call for roam registration, carries out the S303 of Fig. 3 following steps as shown in Figure 8:
At first go on foot at S801, controlled to the switch signaling by channel: this sign indicating number is " 5 "+caller authentication code+" F " in this example, then at S802, switch is judged the legitimacy of caller mobile phone according to the caller authentication code, illegal as the caller mobile phone, then in S803 step, described switch sends letter that relevant this mobile phone roaming of refusal registers and (BBB) to channel controller, channel is discharged, and finish roam registration;
If S802 judges that the caller mobile phone is legal, then in the S804 step, switch judges whether this mobile phone is the visitor, if not roaming the visitor but the local user, then carries out the S803 step:
If it is the roaming visitor that step S804 judges the exhalation mobile phone, then at S805: the visiting virtual Private Branch Exchange PBX that switch and channel controller upgrade in the wireless user data storehouse number is group system number (or claiming basic station number);
Follow execution in step S803 and finish roam registration
(2.6) processing procedure of wireless user's urgent call
When judging type of call for urgent call, carries out the S303 of Fig. 3 following steps as shown in Figure 9:
At first go on foot at S901, by channel controller to switch signaling: " 0 "+caller authentication code+" F ", then at S902, switch is judged the legitimacy of caller mobile phone according to the authentication code in this yard, illegal as the caller mobile phone, then at S903, described switch send the refusal signal (BBB) that this mobile phone is breathed out to channel controller, when described channel controller receives after this refuses to exhale sign indicating number that just at S904, described channel controller is made the respective handling that the refusal mobile phone is breathed out; If S902 judges that the caller mobile phone is legal, then go on foot at S905, switch judge virtual Private Branch Exchange PBX number under the channel that main calling handset takies (be group system number) whether with wireless user data in the Private Branch Exchange PBX item number according to identical, as difference then at S906, upgrade in this wireless user data virtual Private Branch Exchange PBX number and be current Private Branch Exchange PBX number, enter step S907 again, if step S905 is judged to be "Yes", then directly enter step S907: switch is found urgent outgoing call from database, and give Priority Call and handle, again at step S908, send out approval sign indicating number (AAA) by switch to channel controller, then channel controller is received sign indicating number approval this calling (S909).
Claims (16)
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| Application Number | Priority Date | Filing Date | Title |
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| CN95116742A CN1055366C (en) | 1995-09-28 | 1995-09-28 | Program-controlled exchange based honeycomb concentration system communication method and system |
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| CN95116742A CN1055366C (en) | 1995-09-28 | 1995-09-28 | Program-controlled exchange based honeycomb concentration system communication method and system |
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| CN1138279A CN1138279A (en) | 1996-12-18 |
| CN1055366C true CN1055366C (en) | 2000-08-09 |
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| CN95116742A Expired - Fee Related CN1055366C (en) | 1995-09-28 | 1995-09-28 | Program-controlled exchange based honeycomb concentration system communication method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10064044B2 (en) | 2014-09-18 | 2018-08-28 | Huawei Technologies Co., Ltd. | Method and apparatus for determining roaming status of terminal, terminal, and server |
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| JP3636356B2 (en) | 2000-03-31 | 2005-04-06 | 日本電気株式会社 | Mobile communication system and control method thereof |
| CN100373854C (en) * | 2002-04-29 | 2008-03-05 | 中兴通讯股份有限公司 | A method for realizing trunking service in communication system |
| CN1558685B (en) * | 2004-01-19 | 2010-04-28 | 中兴通讯股份有限公司 | A method of realizing wide-area business group based on program-controlled exchange |
| US7778215B2 (en) | 2004-07-06 | 2010-08-17 | Zte Corporation | Digital trunked communication network which supports roaming and method thereof |
| CN100397923C (en) * | 2004-07-19 | 2008-06-25 | 华为技术有限公司 | A Method for Broadcasting Trunking System Parameters |
| CN100361544C (en) * | 2004-10-27 | 2008-01-09 | 华为技术有限公司 | A Realization Method of Trunking Service Based on GSM Public Network |
| CN100361545C (en) * | 2004-10-29 | 2008-01-09 | 华为技术有限公司 | A method of PTT point-to-point call in digital trunking system based on GSM technology |
| EP1926333B1 (en) | 2005-08-18 | 2014-01-08 | ZTE Corporation | A roaming implemented method for digital trunk communication system |
| CN100455070C (en) * | 2005-12-12 | 2009-01-21 | 中兴通讯股份有限公司 | Call establishment and call control method of CDMA digital trunking traditional group call |
| CN100401808C (en) * | 2005-12-20 | 2008-07-09 | 华为技术有限公司 | A digital trunking system and its method for sharing relay circuits at A interface |
| CN104955000B (en) * | 2014-03-28 | 2018-10-02 | 深圳市欧标实业发展有限公司 | Conventional terminal-based trunking communication method and system |
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| US5125101A (en) * | 1990-02-16 | 1992-06-23 | Etrunk Systems, Inc. | Trunking method and apparatus for establishing communication in a two-way mobile radio system |
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| US4756018A (en) * | 1986-04-05 | 1988-07-05 | Nec Corporation | Multiple access communication system having loop-check circuitry for switching intraoffice connections |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10064044B2 (en) | 2014-09-18 | 2018-08-28 | Huawei Technologies Co., Ltd. | Method and apparatus for determining roaming status of terminal, terminal, and server |
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| CN1138279A (en) | 1996-12-18 |
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