CN1859508A - NGN call transfer method and system - Google Patents
NGN call transfer method and system Download PDFInfo
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- CN1859508A CN1859508A CN 200510101481 CN200510101481A CN1859508A CN 1859508 A CN1859508 A CN 1859508A CN 200510101481 CN200510101481 CN 200510101481 CN 200510101481 A CN200510101481 A CN 200510101481A CN 1859508 A CN1859508 A CN 1859508A
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Abstract
The present invention relates to communication technology NGN call transfer method and system. It contains A, when user is called, NGN soft switching center switching center transmitting starting up call instruction to call transfer service server; B, call transfer service server according to call transfer process and corresponded call transfer strategy to make relevant calculation or operation or operation, transmitting relevant strategy operating command to NGN soft switching center; C, NGN soft switching center controlling relevant terminal executing command. Before step A, user sets call transfer strategy, temporary with register phone number binding and invocation in call transfer service server; said call transfer strategy being combination of jump condition and specific strategy operation. The present invention reduces NGN soft switching center load, raising system efficiency with strong practicability.
Description
Technical field
The present invention relates to electrical communication technology, relate in particular to a kind of NGN call transferring method and system.
Background technology
Next generation network (NGN:Next Generation Network) is a kind of comprehensive, the network architecture that standard-sized sheet is put, speech can be provided simultaneously, data, multiple business such as multimedia, the wideband that can realize kilomega optic fiber is to device end, it is based on the network of grouping, telecommunication service can be provided, for example, by providing intelligent call to shift the call manager of realizing phone for the user, promptly, the terminal phone incoming call that the user can be provided with oneself forwards other number to calling out overtime or meet under the busy situation, in a sense, it is a kind of remedial measure of taking because can not directly converse with call number foundation that intelligent call shifts, but in existing calling transfer control, call out control and finish by the nucleus equipment of NGN with call transfer, concrete in service, the preservation of calling transfer strategy and handling all in the nucleus equipment of NGN, increase the burden of nucleus equipment, reduced the efficient of system.
Summary of the invention
The object of the present invention is to provide a kind of NGN call transferring method and system, the core facility load weighs the problem that system effectiveness is low in the prior art to solve.
NGN call transferring method of the present invention comprises the steps:
A, when the user is called out, the NGN soft switch center send to start call instruction to the call transfer service server;
B, call transfer service server be according to calling transfer flow process and corresponding calling transfer strategy, carry out corresponding computing or operation after, send corresponding policing action order to the NGN soft switch center;
C, NGN soft switch center control corresponding terminal fill order.
Before the described steps A, the call transfer service server receives user instruction the calling transfer strategy is set;
Before the described steps A, call transfer service server reception user instruction is provided with the binding of interim telephone number and registration telephone number and enables;
Described step B comprises the steps:
Whether B1, call transfer service server lookup user enable interim phone, carry out following operation:
B11, if enable interim phone, call out interim telephone number by the NGN soft switch center, continue following steps B2;
B12, if the interim phone of not enabled, by NGN soft switch center time call registration telephone number, continue following steps B2;
B2, if called phone ring unanswered maybe can't connect, then enable the calling transfer strategy, continue following steps B3; If called phone has the people to answer or connects, then keep conversation, flow process finishes;
B3, the call transfer service server database by wherein, call accordingly, inquire about, read-write, calculating operation:
B31, if find should specific strategy operation, continue following steps B4;
B32, if do not find should specific strategy operation, flow process finishes;
B4, call transfer service server send to the NGN soft switch center and carry out corresponding policing action order.
Among the described step B3, at first whether inquiring user is provided with enabling of calling transfer strategy: enable if be provided with, then flow process continues; Do not enable if be provided with, flow process finishes.
Described calling transfer strategy is the combination of jump condition and specific strategy operation;
Described jump condition is divided into pure strategy and high-level policy, and wherein, described pure strategy adopts single condition entry as the jump condition of selecting the specific strategy operation; Described high-level policy adopts the condition entry combination of two or more pure strategys as the jump condition of selecting the specific strategy operation.
Described pure strategy is divided into three kinds: presence strategy, time strategy and caller grouping strategy, wherein:
Described presence strategy is to select the specific strategy operation according to the state of user in instant communicating system;
Described time strategy is to select the specific strategy operation according to the current time period of living in;
Described caller grouping strategy is to select the specific strategy operation according to the caller groups under the calling number.
Described specific strategy operation is divided into four kinds: change, change voice mail before changeing before the serial, walking abreast, transmit short message;
Described specific strategy operation also comprises the transmission busy tone.
Send instruction by Session Initiation Protocol between described NGN soft switch center and the call transfer service server.
This NGN calling transfer system, it is characterized in that: it comprises NGN soft switch center and call transfer service server, wherein, described NGN soft switch center is finished CCF, and and the call transfer service server between information processing, forwarding; Described call transfer service server is preserved relevant calling transfer setting, receives the startup call instruction of being sent by the NGN soft switch center, finishes computing, operation or the transmission of relevant calling transfer strategy;
The CCF that described NGN soft switch center is finished comprises that call manager control, call routing, call signaling intercommunication and calling are connected control, i.e. foundation/dismantling call.
Described call transfer service server comprises policy database, Service Processing Module and protocol stack at least, wherein, preserves concrete calling transfer flow process and calling transfer policy data in the described policy database; Described Service Processing Module is finished the calling of policy database, is inquired about, read-write, calculating operation, and sends corresponding policing action order to the NGN soft switch center; Described protocol stack includes the communication protocol between Service Processing Module and the NGN soft switch center, finishes message parse and data transaction between Service Processing Module and the NGN soft switch center;
Described call transfer service server also comprises the instant messaging module, and described instant messaging module is finished the information interaction with Service Processing Module and instant communication terminal, and the state of instant communication terminal is done instant the detection.
Beneficial effect of the present invention is: in the present invention; send the startup call instruction by the NGN soft switch center to the call transfer service server; by the calling transfer strategy of call transfer service server according to calling transfer flow process and correspondence; after carrying out corresponding computing or operation; send corresponding policing action order to the NGN soft switch center; again by NGN soft switch center control corresponding terminal fill order; like this; in the present invention; the preservation of calling transfer strategy and processing are all in the call transfer service server; reduced the burden of NGN soft switch center; improved the efficient of system; and; user data (as this calling transfer strategy) is with respect to system's control architecture of NGN soft switch center; always have more flowability; mutability; this NGN soft switch center among the present invention and the setting that separates of call transfer service server; to the renewal of user data when safeguarding; the job stability and the reliability that help protection system; also help simultaneously the renewal and the maintenance of system, the lock out operation on distinct device makes for Data Protection separately; revise; backup; renewal work is more easy; directly; effectively.
In the present invention, the jump condition of calling transfer strategy is divided into pure strategy and high-level policy, can guide the user to understand gradually and use call transfer service, calling transfer strategy among the present invention (comprising the operation of wherein each kind of jump condition and various specific strategy) is easy-to-understand, the user is last quick-moving, and can satisfy most demands, further improve practicality of the present invention.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention;
Fig. 2 is provided with the schematic flow sheet of calling transfer strategy for user among the present invention;
Fig. 3 is a control flow schematic diagram of the present invention.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
According to Fig. 1, NGN calling transfer of the present invention system comprises NGN soft switch center 1 and call transfer service server 2, wherein, NGN soft switch center 1 is finished CCF, control as call manager, call routing, the call signaling intercommunication is connected control with calling out, i.e. foundation/dismantling call, and NGN soft switch center 1 is finished and call transfer service server 2 between information processing, transmit, call transfer service server 2 is preserved relevant calling transfer setting, the startup call instruction that reception is sent by NGN soft switch center 1 is finished the computing of relevant calling transfer strategy, operation or transmission.
As shown in Figure 1, call transfer service server 2 comprises policy database 21, Service Processing Module 22, protocol stack 23 and instant messaging module 24, wherein:
Preserve concrete calling transfer flow process and calling transfer policy data in the policy database 21.
At first, the user carries out the setting of some necessity in call transfer service server 2 by NGN soft switch center 1, as the binding of interim telephone number and registration telephone number is set and enables, call transfer service server 2 will be bound, enable and be provided with in the policy database 21 that is stored in wherein.
The user also need be provided with the calling transfer strategy, and the calling transfer strategy is the combination of jump condition and specific strategy operation, and the specific strategy operation is divided into several like this: change, change voice mail before changeing before the serial, walking abreast, transmit short message and transmission busy tone.
Consider factors such as systematic function, string, the parallel preceding telephone number number of supporting of changeing will have the upper limit (being recommended as 5), and increase, the operation of deletion number are provided.Each number stand-by period of commentaries on classics is provided with by the user before the serial, but can not surpass the overtime restriction (being recommended as 30 seconds) that telephone system is set.Commentaries on classics was changeed Voice Mailbox, short message after the connection again before the user can select serial.Changeing voice mail needs the user that Voice mail Number can be provided.
Jump condition is divided into pure strategy and high-level policy, pure strategy adopts single condition entry as the jump condition of selecting the specific strategy operation, and high-level policy adopts the condition entry combination of two or more pure strategys as the jump condition of selecting the specific strategy operation.
Wherein, pure strategy is divided into three kinds: presence strategy, time strategy and caller grouping strategy.
The presence strategy is to select the specific strategy operation according to the state of user in instant communicating system.
For example, when the user is in off-line state, will sends a telegram here and change voice mail;
When the user is in when leaving state, will send a telegram here and transmit short message.
Each state at most can only corresponding specific strategy operation.
Setting by the presence strategy comprises interpolation, modification and deletion action.
The time strategy is to select the specific strategy operation according to the current time period of living in.
For example, 6:00-12:00 will send a telegram here and change voice mail on Sunday on each;
Each, 6:00-12:00 changeed before the serial of will sending a telegram here on Monday
In the time period of being divided, each time period in each week can only a corresponding specific strategy operate at most, and the time period of being divided can not have overlapping.
Setting by the time strategy comprises interpolation, modification and deletion action.
The caller grouping strategy is to select the specific strategy operation according to the caller groups under the calling number, as calling number being divided into friend, colleague, superior etc.
For example, when friend sends a telegram here, will send a telegram here and change voice mail.
When the superior sends a telegram here, change before the serial of will sending a telegram here
Setting by the caller grouping strategy comprises interpolation, modification and deletion action.
A system default grouping is arranged in the caller grouping, and promptly system is defaulted as this group with ungrouped calling number.
The user can carry out the setting of calling transfer strategy to default packet, but can not add the good friend to it.
Except the system default grouping, the user can self-definedly divide into groups, and adds, deletes the good friend in grouping, and revises group name.Consider factors such as systematic function, can the upper limit be set the packet count that unique user has.
Each good friend can only be in a grouping, and can not repeat.If a plurality of good friends have same telephone number, then system adopts the calling transfer strategy of first good friend place caller grouping that finds.
Each grouping at most can only corresponding specific strategy operation.
For high-level policy, can comprise as follows:
A, caller groups+time.
B, caller groups+presence.
C, caller groups+time+presence.
These three kinds of strategies also are mutual exclusions, and at any time, the user can only select to enable the calling transfer strategy that wherein a kind of strategy is provided as current execution.
It specifies as follows:
Caller groups+time:
Caller groups+time is which caller groups the number according to the time period in current each week of living in and caller belongs to and come the selective call transition strategy.For example:
Each on Sunday 6:00-12:00, friend's incoming call, the commentaries on classics voice mail of will send a telegram here;
Each on Monday 6:00-12:00, superior's incoming call, commentaries on classics before the serial of will send a telegram here
Each on Monday 6:00-12:00, friend's incoming call, the commentaries on classics voice mail of will send a telegram here.
Setting by caller groups+time strategy comprises interpolation, modification and deletion action.
Each combination can only a corresponding specific strategy be operated at most, and when caller groups was identical, can not there be repetition the time period of being divided.
Caller groups+presence:
Caller groups+presence is which caller groups the number according to User Status on the current I M and caller belongs to and come the selective call transition strategy.For example:
When the user is in off-line state, friend's incoming call will be sent a telegram here and be changeed voice mail;
When the user was in line states, superior's incoming call changeed before the serial of will sending a telegram here
When the user is in line states, friend's incoming call will be sent a telegram here and be changeed voice mail.
Setting by caller groups+presence strategy comprises interpolation, modification and deletion action.
Each combination at most can only corresponding specific strategy operation.
Caller groups+time+presence:
Caller groups+time+presence is which caller groups the number according to the time period in current each week of living in and User Status on the IM and caller belongs to and come the selective call transition strategy.For example:
Each on Sunday 6:00-12:00, when the user is in off-line state, friend's incoming call, the commentaries on classics voice mail of will send a telegram here;
Each on Monday 6:00-12:00, when the user is in line states, superior's incoming call, commentaries on classics before the serial of will send a telegram here
Each on Monday 6:00-12:00, when the user is in line states, friend's incoming call, the commentaries on classics voice mail of will send a telegram here.
Setting by caller groups+time+presence strategy comprises interpolation, modification and deletion action.
Each combination at most can only corresponding specific strategy operation.
The advantage of this strategy is that situation is carried out refinement, can satisfy the demand of user's profound level.Shortcoming is to be provided with more loaded down with trivial detailsly, and the user is indigestion and use in a short time.
As shown in Figure 2, the control flow of calling transfer strategy is as follows:
1, the user selects jump condition, and corresponding specific strategy operation is set.
2, whether call transfer service server 2 detects to have between the set and existing calling transfer strategy and conflicts:
21, if conflict is arranged, whether decision replaces existing calling transfer strategy with set calling transfer strategy:
211, if replace, continue following steps 3.
212, if do not replace, return step 1, reset.
22, if not conflict continues following steps 3.
3, call transfer service server 2 is with the Data Update of calling transfer strategy.
4, call transfer service server 2 detects and whether has two classes or above jump condition:
41, if exist, the user selects a wherein class, continues following steps 5.
42, if having only a class, default user is selected to continue following steps 5 when last class.
5, the user selects whether to be provided with enabling of calling transfer strategy.
Whether 6, no matter select, call transfer service server 2 is stored in the data and the setting of calling transfer strategy in the policy database 21.
As shown in Figure 3, control flow of the present invention is as follows:
1) exterior terminal phone calling party, call signal is received by NGN soft switch center 1.
2) NGN soft switch center 1 sends to call transfer service server 2 by Session Initiation Protocol and starts call instruction.
3) whether the Service Processing Module 22 in the call transfer service server 2 enables interim phone from policy database 21 inquiring users, carries out following operation:
31) if enabled interim phone, call transfer service server 2 is called out interim telephone number by NGN soft switch center 1, continues following steps 4);
32) as if the interim phone of not enabled, call transfer service server 2 continues following steps 4 by NGN soft switch center 1 time call registration telephone number).
4) according to the state of called phone, carry out following operation:
41) if called phone ring unanswered maybe can't connect, whether call transfer service server 2 is provided with enabling of calling transfer strategy from policy database 21 inquiring users,
Carry out following corresponding operating:
411) enable as if being provided with, then continue following steps 5);
412) enable the flow process end if be provided with.
42) if called phone has the people to answer or connects, then keep conversation, flow process finishes.
5) call transfer service server 2 policy database 21 by wherein, call accordingly, inquire about, read-write, calculating operation:
51) if find should specific strategy operation, continue following steps 6);
52) if do not find should specific strategy operation, flow process finishes.
6) call transfer service server 2 sends to NGN soft switch center 1 by Session Initiation Protocol and carries out corresponding policing action order.
7) NGN soft switch center 1 is by Session Initiation Protocol control corresponding terminal fill order.
Claims (15)
1. NGN call transferring method, it is characterized in that: it comprises the steps:
A, when the user is called out, NGN soft switch center (1) send to start call instruction to call transfer service server (2);
B, call transfer service server (2) be according to calling transfer flow process and corresponding calling transfer strategy, carry out corresponding computing or operation after, send corresponding policing action order to NGN soft switch center (1);
C, NGN soft switch center (1) control corresponding terminal fill order.
2. NGN call transferring method according to claim 1 is characterized in that: before the described steps A, call transfer service server (2) receives user instruction the calling transfer strategy is set.
3. NGN call transferring method according to claim 1 is characterized in that: before the described steps A, call transfer service server (2) reception user instruction is provided with the binding of interim telephone number and registration telephone number and enables.
4. according to claim 1 or 2 or 3 described NGN call transferring methods, it is characterized in that: described step B comprises the steps:
Whether B1, call transfer service server (2) inquiring user enable interim phone, carry out following operation:
B11, if enable interim phone, call out interim telephone number by NGN soft switch center (1), continue following steps B2;
B12, if the interim phone of not enabled, by NGN soft switch center (1) time call registration telephone number, continue following steps B2;
B2, if called phone ring unanswered maybe can't connect, then enable the calling transfer strategy, continue following steps B3; If called phone has the people to answer or connects, then keep conversation, flow process finishes;
B3, call transfer service server (2) database by wherein, call accordingly, inquire about, read-write, calculating operation:
B31, if find should specific strategy operation, continue following steps B4;
B32, if do not find should specific strategy operation, flow process finishes;
B4, call transfer service server (2) send to NGN soft switch center (1) and carry out corresponding policing action order.
5. NGN call transferring method according to claim 4 is characterized in that: among the described step B3, at first whether inquiring user is provided with enabling of calling transfer strategy: enable if be provided with, then flow process continues; Do not enable if be provided with, flow process finishes.
6. according to claim 1 or 2 or 3 described NGN call transferring methods, it is characterized in that: described calling transfer strategy is the combination of jump condition and specific strategy operation.
7. NGN call transferring method according to claim 6 is characterized in that: described jump condition is divided into pure strategy and high-level policy, wherein,
Described pure strategy adopts single condition entry as the jump condition of selecting the specific strategy operation;
Described high-level policy adopts the condition entry combination of two or more pure strategys as the jump condition of selecting the specific strategy operation.
8. NGN call transferring method according to claim 7 is characterized in that: described pure strategy is divided into three kinds: presence strategy, time strategy and caller grouping strategy, wherein:
Described presence strategy is to select the specific strategy operation according to the state of user in instant communicating system;
Described time strategy is to select the specific strategy operation according to the current time period of living in;
Described caller grouping strategy is to select the specific strategy operation according to the caller groups under the calling number.
9. NGN call transferring method according to claim 6 is characterized in that: described specific strategy operation is divided into four kinds: change, change voice mail before changeing before the serial, walking abreast, transmit short message.
10. NGN call transferring method according to claim 9 is characterized in that: described specific strategy operation also comprises the transmission busy tone.
11. NGN call transferring method according to claim 1 is characterized in that: send instruction by Session Initiation Protocol between described NGN soft switch center (1) and the call transfer service server (2).
12. a NGN calling transfer system is characterized in that: it comprises NGN soft switch center (1) and call transfer service server (2), wherein,
Described NGN soft switch center (1) is finished CCF, and and call transfer service server (2) between information processing, forwarding;
Described call transfer service server (2) is preserved relevant calling transfer setting, receives the startup call instruction of being sent by NGN soft switch center (1), finishes computing, operation or the transmission of relevant calling transfer strategy.
13. NGN calling transfer according to claim 12 system, it is characterized in that: the CCF that described NGN soft switch center (1) is finished comprises that call manager control, call routing, call signaling intercommunication and calling are connected control, i.e. foundation/dismantling call.
14. according to claim 12 or 13 described NGN calling transfer systems, it is characterized in that: described call transfer service server (2) comprises policy database (21), Service Processing Module (22) and protocol stack (23), wherein,
Preserve concrete calling transfer flow process and calling transfer policy data in the described policy database (21);
Described Service Processing Module (22) is finished the calling of policy database (21), is inquired about, read-write, calculating operation, and sends corresponding policing action order to NGN soft switch center (1);
Described protocol stack (23) includes the communication protocol between Service Processing Module (22) and the NGN soft switch center (1), finishes message parse and data transaction between Service Processing Module (22) and the NGN soft switch center (1).
15. NGN calling transfer according to claim 14 system, it is characterized in that: described call transfer service server (2) also comprises instant messaging module (24), described instant messaging module (24) is finished the information interaction with Service Processing Module (22) and instant communication terminal, and the state of instant communication terminal is done instant the detection.
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CNB2005101014816A CN100563286C (en) | 2005-11-16 | 2005-11-16 | A kind of NGN call transferring method and system |
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CNB2005101014816A CN100563286C (en) | 2005-11-16 | 2005-11-16 | A kind of NGN call transferring method and system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008086690A1 (en) * | 2007-01-05 | 2008-07-24 | Zte Corporation | An enquiry diversion service method and a device thereof |
CN101399826B (en) * | 2007-09-26 | 2012-09-26 | 朗讯科技公司 | Signaling management system and method for session initiation protocol |
WO2014180399A1 (en) * | 2013-12-13 | 2014-11-13 | 中兴通讯股份有限公司 | Call forwarding method and device |
CN102090033B (en) * | 2008-05-19 | 2015-07-01 | 崔炫日 | Audio/video communications system |
TWI556621B (en) * | 2013-08-29 | 2016-11-01 | 鴻海精密工業股份有限公司 | Telephone device, server, and method for auto transferring incoming call |
CN111095890A (en) * | 2017-08-03 | 2020-05-01 | T移动美国公司 | Header modification for supplementary services |
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2005
- 2005-11-16 CN CNB2005101014816A patent/CN100563286C/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008086690A1 (en) * | 2007-01-05 | 2008-07-24 | Zte Corporation | An enquiry diversion service method and a device thereof |
CN101399826B (en) * | 2007-09-26 | 2012-09-26 | 朗讯科技公司 | Signaling management system and method for session initiation protocol |
CN102090033B (en) * | 2008-05-19 | 2015-07-01 | 崔炫日 | Audio/video communications system |
TWI556621B (en) * | 2013-08-29 | 2016-11-01 | 鴻海精密工業股份有限公司 | Telephone device, server, and method for auto transferring incoming call |
WO2014180399A1 (en) * | 2013-12-13 | 2014-11-13 | 中兴通讯股份有限公司 | Call forwarding method and device |
CN104717378A (en) * | 2013-12-13 | 2015-06-17 | 中兴通讯股份有限公司 | Call forwarding method and device |
US9854100B2 (en) | 2013-12-13 | 2017-12-26 | Xi'an Zhongxing New Software Co. Ltd | Method and device for call forwarding |
CN111095890A (en) * | 2017-08-03 | 2020-05-01 | T移动美国公司 | Header modification for supplementary services |
US11445050B2 (en) | 2017-08-03 | 2022-09-13 | T-Mobile Usa, Inc. | Header modifications for supplementary services based on policies |
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CN100563286C (en) | 2009-11-25 |
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