CN101489005B - Method, system and device for VoIP number allocation - Google Patents
Method, system and device for VoIP number allocation Download PDFInfo
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- CN101489005B CN101489005B CN2009101188021A CN200910118802A CN101489005B CN 101489005 B CN101489005 B CN 101489005B CN 2009101188021 A CN2009101188021 A CN 2009101188021A CN 200910118802 A CN200910118802 A CN 200910118802A CN 101489005 B CN101489005 B CN 101489005B
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Abstract
The invention claims a method, a system and a device of allocating VoIP numbers, applied for a VoIP system including a voice server and a voice gateway, comprising the following steps of: the voice server receives a number resource request message, including the POTS port identifier and number capavity of the voice gateway, from the voice gateway; the voice server allocates numbers for the voice gateway according to the number resource request message; the voice server transmits a number resource response message, including a corresponding relation between the allocated numbers and the POTS port identifier, to the voice gateway. In the invention, the voice server allocates numbers to the voice gateway, and transmits the corresponding relation between the allocated numbers and the POTS port of the voice gateway to the voice gateway, thereby implementing uniform allocation of number resources via the voice server.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, system and equipment of VoIP number assignment.
Background technology
Along with the development of IP network, VoIP (Voice over Internet Protocol, internet protocol voice) telephone service is widely used.At present, commonplace voip phone application scenarios is voip phone terminal or PSTN (Public Switched Telephone Network, public switched telephone network) (the Plain Old Telephone Service of the POTS in the network, Plain Old Telephone Service) telephone terminal is linked into IP (Internet Protocol, Internet Protocol) network by voice gateways.Voice gateways can realize the data transaction between IP network and telephone terminal speech data, and the POTS port on the voice gateways is the interface between IP network and telephone terminal, and telephone terminal is linked in the IP network by the POTS port.
At present, have two kinds of VoIP networking modes of crossing over IP network, promptly the networking mode of use voice server as shown in Figure 1 and the networking mode that does not use voice server as shown in Figure 2 wherein, use the networking mode of voice server commonplace.In the networking mode that uses voice server, finish function such as route and access control in the IP network by voice server, and realize management voice gateways.
Existing voice server, the common GateKeeper (gatekeeper) that has based on the H323 agreement, with Register Server (registrar) or Proxy Server (acting server) based on SIP (Session Initiation Protocol, session initiation protocol).Participate in the VoIP network's mode at voice server, be linked into voice gateways in the network at first need for self POTS port assignment number resource and dispose dialing rule, detailed process is as follows:
1. be linked into the POTS port of the voice gateways traversal self in the network,, comprise port-mark and the number capacity that need obtain etc. if the POTS port, then obtains the POTS port information that needs the application number resource in initiate mode.Otherwise, then skip corresponding POTS port.
2. voice gateways are local POTS port assignment number according to the allocation rule of setting.
3. voice gateways send to voice server with the number of distribution and the corresponding relation of POTS port.
4. the voice server basis is from the number of the whole network of the information updating local record of voice gateways and the correspondence table of POTS port.
5. voice gateways are provided with local dialing rule according to the configuration of the whole network.
In voice gateways is that the telephone terminal that is connected with these voice gateways just can use the VoIP business after local POTS port assignment number resource also disposed local dialing rule.Detailed process is as follows:
1. the calling terminal telephone terminal makes a call to the calling terminal voice gateways, carries called number in the calling.
2. whether the called number that carries in judge calling out of calling terminal voice gateways meets dialing rule, if judged result is for being then calling to be sent to voice server.Otherwise, called number is abandoned, finish this calling.
3. voice server is searched the number of the whole network of local record and the correspondence table of POTS port, will call out by the called end voice gateways according to lookup result and send to the called end telephone terminal.Thereby the voip call that realizes calling terminal telephone terminal and called end telephone terminal is connected.
For the networking mode that does not use voice server, the voice gateways of the whole network local POTS port assignment number of respectively doing for oneself, each voice gateways not only needs to write down the local number and the corresponding relation of POTS port, also needs to write down the number of the whole network and the corresponding relation of POTS port.After the calling terminal telephone terminal makes a call, if called number meets dialing rule, after the calling terminal voice gateways are searched the correspondence table of the number of the whole network of local record and POTS port, directly calling is sent to called voice gateways, by the called end voice gateways calling is sent to the called end telephone terminal again, thereby the calling that realizes calling terminal and called end is connected.
As can be seen, in the prior art, no matter be to use the VoIP networking mode of voice server, still do not use the VoIP networking mode of voice server, the number of POTS port all is to be distributed by the voice gateways of this locality.In using the networking mode of voice server, voice gateways send to voice server with the corresponding relation of number and POTS port after be local POTS port assignment number, write down the number of the whole network and the corresponding relation of POTS port by voice server.Thereby the calling that further realizes calling terminal and called end is connected.
Continuous increase along with the networking of VoIP voice, the quantity of telephone terminal and voice gateways is all in continuous increase, and it is more and more loaded down with trivial details that the number assignment mode that each voice gateways is respectively local POTS port assignment number in the prior art can cause that the distribution of number and maintenance process become.For example, need carry out the setting of allocation rule respectively, can not repeat to guarantee the number that any two voice gateways are distributed to each voice gateways in the whole network.
Summary of the invention
The invention provides a kind of method, system and equipment of VoIP number assignment, realized distributing unitedly by the voice server resource of checking numbers.
The invention provides a kind of method of VoIP number assignment, be applied to comprise in the system of voice server and voice gateways, said method comprising the steps of:
Described voice server receives the number resource request message from described voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described voice server is described voice gateways assignment numbers according to described number resource request message;
Described voice server sends the number resource response message to described voice gateways, and described number resource response message comprises the number of described distribution and the corresponding relation of described POTS port-mark;
Wherein, described voice server is that described voice gateways assignment numbers comprises according to described number resource request message:
Described voice server obtains the number capacity of described voice gateways request according to described number resource request message;
When the number capacity of described voice gateways request greater than 1 the time, described voice server extracts a number segment in the available number resource of this locality, the number quantity that comprises in the described number segment is identical with the number capacity of described voice gateways request; Described voice server is given the number assignment in the described number segment POTS port of described voice gateways;
When the number capacity of described voice gateways request equaled 1, described voice server extracted a number in the available number resource of this locality, and this number assignment was given the POTS port of described voice gateways.
Wherein, described voice server is after described voice gateways send the number resource response message, and the update strategy according to predetermined in advance also comprises:
Described voice server is that described voice gateways are redistributed number;
Described voice server sends the number resource updating message to described voice gateways, and described number resource updating message comprises the corresponding relation of described number of redistributing and described POTS port-mark.
Wherein,, before redistributing number, described voice gateways need in advance the local number resource of distributing to voice gateways to be upgraded at voice server.
Wherein, described voice server also comprises after described voice gateways send the number resource response message:
Described voice server receives the dialing rule request message from described voice gateways;
Described voice server is that described voice gateways are distributed dialing rule according to described dialing rule request message;
Described voice server is to described voice gateways Sending dialled number rule response message, and described dialing rule response message comprises the dialing rule of described distribution.
Wherein, described voice server is after described voice gateways Sending dialled number rule response message, and the dialing rule strategy that redefines according to predetermined in advance also comprises:
Described voice server is that described voice gateways are redistributed dialing rule;
Described voice server is to described voice gateways Sending dialled number Policy Updates message, and described dialing rule updating message comprises the described dialing rule of redistributing.
The present invention also provides a kind of VoIP system, comprises the voice server, voice gateways and the telephone terminal that are positioned at the IP network both sides,
Described voice server electrically connects with described voice gateways, is used to receive the number resource request message from described voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message; According to described number resource request message is described voice gateways assignment numbers; Send the number resource response message to described voice gateways, described number resource response message comprises the number of described distribution and the corresponding relation of described POTS port-mark;
Described voice gateways, both sides electrically connect with described voice server and described telephone terminal respectively, are used to realize the voice call between the telephone terminal of IP network both sides; Send described number resource request message to described voice server; Reception is from the described number resource response message of described voice server; Write down the number of the distribution of voice server described in the described number resource response message and the corresponding relation of described POTS port-mark.
Wherein, described voice server also is used for according to predefined number resource update strategy, for described voice gateways are redistributed number; Send the number resource updating message to described voice gateways, described number resource updating message comprises the corresponding relation of described number of redistributing and described POTS port-mark;
Described voice gateways also are used to receive the number resource updating message from described voice server; Write down voice server is redistributed described in the described number resource updating message the number and the corresponding relation of described POTS port-mark.
Wherein, described voice server also is used to receive the dialing rule request message from described voice gateways; According to described dialing rule request message is that described voice gateways are distributed dialing rule; To described voice gateways Sending dialled number rule response message, described dialing rule response message comprises the dialing rule of described distribution;
Described voice gateways also are used for to described voice server Sending dialled number rule request message; Reception is from the dialing rule response message of described voice server; Write down the dialing rule that voice server described in the described dialing rule response message distributes.
Wherein, described voice server also is used for the dialing rule strategy that redefines according to predefined, for described voice gateways are redistributed dialing rule; To described voice gateways Sending dialled number Policy Updates message, described dialing rule updating message comprises the described dialing rule of redistributing;
Described voice gateways also are used to receive the dialing rule updating message from described voice server; Write down the dialing rule that voice server is redistributed described in the described dialing rule updating message.
The present invention also provides a kind of voice server, and described voice server comprises receiving element, judging unit, updating block, allocation units, record cell and transmitting element, wherein,
Described receiving element electrically connects with judging unit, is used to receive the number resource request message from voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described judging unit is electrical connected with receiving element, updating block and allocation units, is used to judge that the resource of checking numbers upgrades or ask the distribution of number resource;
Described updating block, be connected with described judging unit, transmitting element and described record cell, be used for when described judgment unit judges be to check numbers resource when upgrading, then according to predetermined in advance update strategy, number resource in the middle of using is upgraded, and the number resource after will upgrading is sent to described record cell storage;
Described allocation units, be connected with judging unit, transmitting element and record cell, be used for if work as the branch timing that judgment unit judges is the request number resource, the number resource request message that receives according to receiving element is described voice gateways assignment numbers, and the number resource that distributes is sent to described record cell storage;
Described record cell is connected with allocation units with described updating block, is used to store the number resource from described updating block or allocation units;
Described transmitting element is connected with updating block with allocation units, is used for sending the number resource response message to described voice gateways, and described number resource response message comprises the number of described allocation units distribution and the corresponding relation of described POTS port-mark; Perhaps send the number resource updating message to voice gateways, described number resource updating message comprises the number after described updating block upgrades and the corresponding relation of described POTS port-mark.
Wherein, described receiving element also is used to receive the dialing rule request message from described voice gateways;
Described judging unit also is used to judge the distribution of dialing rule being upgraded or asking dialing rule;
Described updating block, also be used for when judgment unit judges be when dialing rule is upgraded, then according to the dialing rule strategy that redefines, the dialing rule in the middle of using is upgraded, and the dialing rule after will upgrading is sent to described record cell and stores;
Described allocation units, also be used for when judgment unit judges is the branch timing of request dialing rule, then the dialing rule request message that receives according to described receiving element is that described voice gateways are distributed dialing rule, and the dialing rule that distributes is sent to the record cell storage;
Described record cell also is used to store the dialing rule from described updating block or allocation units;
Described transmitting element also is used for to described voice gateways Sending dialled number rule response message, and described dialing rule response message comprises the dialing rule that described allocation units distribute; Perhaps to described voice gateways Sending dialled number Policy Updates message, described dialing rule updating message comprises the dialing rule after described updating block upgrades.
The present invention also provides a kind of voice gateways, and described voice gateways comprise transmitting element, receiving element, record cell and updating block, wherein,
Described transmitting element is used for sending the number resource request message to voice server, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described receiving element is used to receive the number resource response message from described voice server; Reception is from the number resource updating message of described voice server;
Described record cell is used to write down the corresponding relation of local POTS port-mark and number;
Described updating block is connected respectively with record cell with described receiving element, is used for upgrading the local POTS port-mark of described recording unit records and the corresponding relation of number according to the number resource response message that described receiving element receives; Upgrade the local POTS port-mark of described recording unit records and the corresponding relation of number according to the number resource updating message that described receiving element receives.
Wherein, described transmitting element also is used for to described voice server Sending dialled number rule request message;
Described receiving element also is used to receive the dialing rule response message from described voice server; Reception is from the dialing rule updating message of described voice server;
Described record cell also is used to write down the VoIP dialing rule;
Described updating block also is used for upgrading according to the dialing rule response message that described receiving element receives the VoIP dialing rule of described recording unit records; Upgrade the VoIP dialing rule of described recording unit records according to the dialing rule updating message of described receiving element reception.
Among the present invention, voice server is the voice gateways assignment numbers according to the number resource request message from voice gateways, and the corresponding relation of the POTS port of the number that distributes and voice gateways sent to voice gateways, thereby realized distributing unitedly and managing by the voice server resource of checking numbers.And voice server is that voice gateways are distributed dialing rule according to the dialing rule request message from voice gateways, and the dialing rule that distributes is sent to voice gateways, thereby has realized by voice server dialing rule being distributed unitedly and being managed.
Description of drawings
Fig. 1 is a kind of VoIP networking mode schematic diagram in the prior art;
Fig. 2 is a kind of VoIP networking mode schematic diagram in the prior art;
Fig. 3 is the method flow diagram of a kind of VoIP number assignment among the present invention;
Fig. 4 is the method flow diagram of a kind of VoIP number assignment among the present invention;
Fig. 5 is a kind of number resource request message schematic diagram among the present invention;
Fig. 6 is a kind of number resource response message schematic diagram among the present invention;
Fig. 7 is a kind of VoIP number method for updating flow chart among the present invention;
Fig. 8 is the method flow diagram that a kind of VoIP dialing rule distributes among the present invention;
Fig. 9 is a kind of dialing rule request message schematic diagram among the present invention;
Figure 10 is a kind of dialing rule request message schematic diagram among the present invention;
Figure 11 is a kind of VoIP dialing rule method for updating flow chart among the present invention;
Figure 12 is the VoIP system structure chart of a kind of VoIP of realization number assignment among the present invention;
Figure 13 is a kind of voice server equipment structure chart among the present invention;
Figure 14 is a kind of voice gateway equipment structure chart among the present invention.
Embodiment
The present invention mainly provides a kind of method of VoIP number assignment, main thought is: among the present invention, voice server is the voice gateways assignment numbers according to the number resource request message from voice gateways, and the corresponding relation of the POTS port of the number that distributes and voice gateways sent to voice gateways, thereby realized distributing unitedly and managing by the voice server resource of checking numbers.And voice server is that voice gateways are distributed dialing rule according to the dialing rule request message from voice gateways, and the dialing rule that distributes is sent to voice gateways, thereby has realized by voice server dialing rule being distributed unitedly and being managed.
The present invention proposes a kind of method of VoIP number assignment, be applied to comprise that described method may further comprise the steps as shown in Figure 3 in the voip network system of voice server and voice gateways:
Particularly, the present invention proposes a kind of method of VoIP number assignment, be applied to comprise that described method may further comprise the steps as shown in Figure 4 in the voip network system of voice server and voice gateways:
Concrete, voice gateways and voice server can use self-defining NRSP (NumberResource Synchronization Protocol, the number resource synchronous protocol) message carries out interacting message, self-defining NRSP agreement is based on TCP (Transmission Control Protocol, transmission control protocol), protocol port can be 5000.
The main Field Definition of NRSP message is as follows:
The Version:NRSP protocol version; Can be set at 1.
Msg Type: type of message; This field may be got following six values, respectively corresponding 6 kinds of different type of messages.0: the number resource request message; 1: the number resource response message; 2, the dialing rule request message; 4: the dialing rule response message; 8: number resource updating message, 16: the dialing rule updating message.
Info ID: message identifier; Be used for one group of request of unique identification and response message, request message that voice gateways are sent and voice server are to this request responding message, and its Info ID must be identical.The value of Info ID can be the character string of one 16 byte.
Total Port: port sum.
Slot Number Sub Slot Number Port Number Time Slot: port-mark; Be used for port of unique identification, wherein, Slot Number and Port Number are required field, and all the other fields are Optional Field.
Number Capacity: number capacity.
Mat-Temp Len: numbers match template length.
Match-template Content: numbers match template content.
TotalEntity: entity sum (dialing rule sum).
Entity ID: entity numbering (dialing rule numbering).
Protocol: protocol type; 0 represents SIP; 1 represents H323.
Concrete, voice gateways can adopt number resource request message as shown in Figure 5 to send the number resource request message to voice server.Wherein, Msg the type field value is 0.If voice gateways are accurate number of corresponding POTS port application, then Number Capacity field value is 1; If voice gateways are a plurality of numbers of corresponding POTS port application, Number Capacity field value is other integer values.In addition, can in above-mentioned NRSP message, increase an IP field again, be used for carrying the IP address of voice gateways.
Further, being example in certain number resource request message, the TotalPort value is that the Number Capacity value of 2, the one POTS port-mark correspondences is that the Number Capacity value of 1, the two POTS port-mark correspondence is 2 in this number resource request message.
Voice server record is also safeguarded the correspondence table of number resource and POTS port, and in correspondence table, voice server can adopt the IP address of voice gateways and POTS port-mark to come a POTS port on these voice gateways of unique identification.Promptly the IP address of the corresponding voice gateways of a number or a sets of numbers adds the data set that the POTS port-mark constitutes.
Concrete, voice server is behind the number resource request NRSP message that receives from voice gateways, can at first judge the validity of number resource request message, if message is invalid (for example: number resource request NRSP message definition error), then send the message that distributes failure to voice gateways, if message is effective, then message is resolved IP address, each POTS port-mark of voice gateways and the information such as number capacity of each POTS port application that obtains voice gateways.Afterwards, voice server is the POTS port assignment number resource of voice gateways according to the allocation rule of setting, if Number Capacity field value is 1 in the message, it then is accurate number of this port assignment, if Number Capacity field value is other integer values in the message, then be number segment of this port assignment.If number resource exhaustion in the number assignment process then sends the message that distributes failure to voice gateways.After assigning, voice server need upgrade local POTS portal number correspondence table according to allocation result, and the number of distribution and the corresponding relation of POTS port are upgraded in the POTS portal number correspondence table that is recorded in this locality.
Voice server can adopt following mode assignment numbers: at first, voice server calculates the number capacity of voice gateways request according to the number quantity of each POTS port application in the number resource request message.Then, voice server extracts a number segment in the available number resource of this locality, and the quantity of the number that comprises in the number segment is identical with the number capacity of voice gateways request.At last, voice server is given the number assignment in this number segment each POTS port of voice gateways.
Further, corresponding certain number resource request message above, the number capacity that voice server at first calculates the voice gateways request is 3.Then, voice server extracts a number segment from the available number resource of this locality, for example, extracts 82771111 to 82771113 number segment.At last, voice server is a POTS port assignment number 82771111; It is the 2nd POTS port assignment number 82771112 and 82111113.After having assigned, the corresponding relation of a number 82771111 and a POTS port (comprising port-mark and IP address) is recorded in the POTS portal number correspondence table, the corresponding relation of number 82771112,82111113 and the 2nd POTS port equally also is recorded in the POTS portal number correspondence table.
All becoming the distribution of work behind the number for each POTS port of voice gateways, voice server sends the number resource response message to voice gateways, comprises the corresponding relation of the POTS port-mark of number that voice server distributes and voice gateways in the number resource response message.
Concrete, voice server can adopt number resource response message as shown in Figure 6 to send the number resource response message to voice gateways.Wherein, Msg the type field value is 1.The value of Info ID need be consistent with the Info ID value in the number resource request message in the step 401.
Further, corresponding certain number resource request message above, the Mat-Temp Len value of a POTS port correspondence is 8 in the number resource response message, Match-template Content is 82771111; The Mat-Temp Len value of the 2nd POTS port correspondence is 8, and Match-templateContent is 82771112 and 82111113.
Under some specific situation, for example: the number of having enabled is carried out raise-position, the number that does not re-use is reclaimed or the telephone number capacity under the POTS port of the voice gateways of using number resource changed is provided with etc., need upgrade to VoIP number under the present invention.Specifically as shown in Figure 7, may further comprise the steps:
Concrete, voice server is as follows at the local number resource updates under above 3 kinds of situations:
1. the whole network carries out bit number ascending, and voice server upgrades the local number resource of distributing to voice gateways according to the bit number ascending rule.For example: when voice server need be upgraded to 9 from 8 with the number of current use, according to the raise-position rule, increasing one-bit digital " 1 " by the high order end at original number realizes, at this moment, the high order end of the number that voice server writes down in local correspondence table one by one increases one-bit digital " 1 ", thereby finishes the local number resource updates.
2. the number resource that does not re-use reclaims.At this moment, voice gateways no longer need to use traversing number resource under certain port, send to voice server that content is empty number resource request message under this port.Concrete, voice gateways can adopt number resource request message as shown in Figure 5 to send the number resource request message to voice server, and wherein, Msg the type field value is 0, and TotalPort field value is 0.Voice server is after receiving from the number resource request message of the content under this port of voice gateways for sky, all deletions of number resource record of this voice gateways port in the POTS portal number correspondence table of local record need be regained the number resource of distributing under this port of these voice gateways.
3. the number capacity under the POTS port of the voice gateways of use number resource changes.After the number capacity condition changes under the POTS of the voice gateways port, voice gateways need send the number resource request message to voice server again according to the POTS portal number capacity after changing, the request voice server is redistributed number resource, need to comprise the POTS port information in the number resource request message, comprise the port-mark of each POTS port of voice gateways, the number capacity that need obtain etc.
Voice server is behind the number resource request message of receiving from voice gateways, can travel through the port-mark of each voice gateways POTS port that carries in the request message and the number capacity that need obtain, record in the POTS portal number correspondence table of this locality and the information that traversal obtains are compared, if the number capacity of finding the new application of this POTS port in the traversal information is the number capacity of this POTS port assignment less than local record, then voice server need be partially recycled according to the number resource that the new number capacity of applying for of this POTS port will be distributed to this POTS port, for example local record is 5 for the number capacity of this POTS port assignment, the number capacity of the new application of this POTS port is 3 in the traversal information, then need in local record, delete 2 numbers of distributing to this POTS port, promptly reclaim 2 numbers of distributing to this POTS port originally; If the number capacity of the new application of this POTS port is the number capacity of this POTS port assignment greater than local record in the traversal information, then voice server need append assignment numbers for this POTS port according to the number capacity of the new application of this POTS port, for example local record is 3 for the number capacity of this POTS port assignment, the number capacity of the new application of this POTS port is 5 in the traversal information, then need increase by 2 new digits of distributing to this POTS port in local record.
Concrete, voice server needs at first to generate the number resource updating message according to the POTS portal number correspondence table behind the local update, sends this updating message to voice gateways then.Voice server can adopt number resource response message as shown in Figure 6 to send the number resource updating message to voice gateways.Wherein, Msg the type field value is 8.
Concrete, voice gateways are after the number resource updating message of receiving from voice server, the POTS port of local record and the corresponding relation of number be can at first empty, the number of redistributing that carries in the number resource updates message and the corresponding relation of POTS port obtained and write down then.
Obtained the number resource that voice server distributes in above-mentioned voice gateways, the present invention needs further to set the VoIP dialing rule, as shown in Figure 8, specifically may further comprise the steps:
Concrete, voice gateways can adopt as shown in Figure 9 dialing rule request message to voice server Sending dialled number rule request message.Wherein, Msg the type field value is 2.
Concrete, be example with a concrete method of salary distribution, voice server is that the numbers match rule that voice gateways are distributed can have two, is respectively 8277XXXX and 8276XXXX, the protocol type that the specified speech gateway uses is SIP.
Concrete, voice server can adopt as shown in figure 10 dialing rule response message to voice gateways Sending dialled number rule response message.Wherein, Msg the type field value is 4.The value of Info id field need be consistent with the Info id field value in the dialing rule request message in the step 801.
Further, the corresponding concrete method of salary distribution above, the TotalEntity value is 2 in the dialing rule response message, the Protocol value is 0, Mat-Temp Len value is 8, the Match-template Content value of the one Entity ID correspondence is 8277XXXX, and the Match-template Content value of the 2nd Entity ID correspondence is 8276XXXX.
Under some particular case, for example,, the bit number ascending that carries out the whole network changes owing to causing dialing rule, then need upgrade VoIP dialing rule of the present invention equally, as shown in figure 11, this dialing rule upgrades and specifically may further comprise the steps:
Concrete, voice server can adopt dialing rule response message as shown in figure 10 to send the number resource updating message to voice gateways.Wherein, Msg the type field value is 16.
Obtained the number and dialing rule of voice server distribution in voice gateways after, just can use the VoIP business by POTS terminal or voip phone terminal that the PSTN network is connected with these voice gateways, implementation procedure can be same as the prior art.At first, POTS terminal or voip phone terminal make a call to voice gateways, carry called number in the calling.Then, whether the called number that voice gateways are carried in judge calling out meets dialing rule, if judged result is for being then calling to be sent to voice server.At last, voice server is searched the number of the whole network of local record and the correspondence table of POTS port, will call out by called voice gateways according to lookup result and send to called POTS terminal or voip phone terminal, thereby realize that voip call connects.
Figure 12 is the VoIP system of the VoIP number assignment of the inventive method correspondence, comprises a telephone terminal laying respectively at the IP network both sides, voice server 1201 and voice gateways 1202 at least, wherein,
Voice server 1201 electrically connects with voice gateways 1202, is used to receive the number resource request message from voice gateways 1202, comprises the information such as POTS port-mark, number capacity of voice gateways 1202 in the described number resource request message; According to described number resource request message is voice gateways 1202 assignment numbers; Send the number resource response message to voice gateways 1202, described number resource response message comprises the number of described distribution and the corresponding relation of described POTS port-mark; In the time need upgrading for the number resource of telephone terminal, voice server is that voice gateways 1202 are redistributed number according to predetermined policy further; Send the number resource updating message to voice gateways 1202, described number resource updating message comprises the corresponding relation of described number of redistributing and described POTS port-mark; Reception is from the dialing rule request message of voice gateways 1202; According to described dialing rule request message is that voice gateways 1202 are distributed dialing rule; To voice gateways 1202 Sending dialled numbers rule response message, described dialing rule response message comprises the dialing rule of described distribution; When needs redefined dialing rule for telephone terminal, voice server was further redistributed dialing rule for voice gateways 1202; To voice gateways 1202 Sending dialled number Policy Updates message, described dialing rule updating message comprises the described dialing rule of redistributing.
The present invention also provides a kind of voice server corresponding with the inventive method, as shown in figure 13, comprises receiving element 1301, judging unit 1302, updating block 1303, allocation units 1304, record cell 1305 and transmitting element 1306, wherein,
Receiving element 1301 is connected with judging unit 1302, is used to receive the number resource request message from voice gateways, comprises POTS port-mark and needed number capacity under these voice gateways in the described number resource request message; Or reception is from the dialing rule request message of described voice gateways.
Judging unit 1302, be connected with receiving element 1301, updating block 1303 and allocation units 1304, be used to judge that check numbers resource or dialing rule upgrades or ask the distribution of number resource or dialing rule, resource or dialing rule upgrade if check numbers, then start updating block 1303, if the distribution of request number resource or dialing rule then starts allocation units 1304.
Updating block 1303, be electrical connected with judging unit 1302, record cell 1305 and transmitting element 1306, be used for judging it is to check numbers resource when upgrading when judging unit 1302, according to predetermined in advance update strategy, number resource in the middle of using is upgraded, and the number resource after will upgrading is sent to record cell 1305 storages.Judge it is that dialing rule is upgraded when judging unit 1302,, the dialing rule in the middle of using is upgraded, and the dialing rule after will upgrading is sent to record cell 1305 storages then according to the dialing rule strategy that redefines.
Transmitting element 1306 is connected with updating block 1303 with allocation units 1304, is used for sending the number resource response message, or to described voice gateways Sending dialled number rule response message to described voice gateways, or aforementioned number resource, dialing rule updating message.
The present invention also provides a kind of voice gateways corresponding with the inventive method, as shown in figure 14, comprises transmitting element 1401, receiving element 1402, record cell 1403 and updating block 1404, wherein,
Transmitting element 1401 is used for sending described number resource request message to voice server, comprises the POTS port-mark and the number capacity of described voice gateways in the described number resource request message; Or to described voice server Sending dialled number rule request message.
Receiving element 1402 is used to receive the number resource response message from described voice server; Reception is from the number resource updating message of described voice server; Reception is from the dialing rule response message of described voice server; Reception is from the dialing rule updating message of described voice server.
Record cell 1403 is used to write down the corresponding relation of local POTS port-mark and VoIP number; Record VoIP dialing rule.
Updating block 1404, be connected respectively with record cell 1403 with receiving element 1402, the number that voice server distributes described in the number resource response message that is used for receiving according to receiving element 1402 and the corresponding relation of described POTS port-mark upgrade the local POTS port-mark of record cell 1403 records and the corresponding relation of VoIP number; The number that voice server is redistributed described in the number resource updating message that receives according to receiving element 1402 and the corresponding relation of described POTS port-mark upgrade the local POTS port-mark that record cell 1403 writes down and the corresponding relation of VoIP number; The dialing rule that distributes according to voice server described in the dialing rule response message of receiving element 1402 receptions upgrades the dialing rule that record cell 1403 writes down; The dialing rule of redistributing according to voice server described in the dialing rule updating message of receiving element 1402 receptions upgrades the dialing rule that record cell 1403 writes down.
Among the present invention, voice server is the voice gateways assignment numbers according to the number resource request message from voice gateways, and the corresponding relation of the POTS port of the number that distributes and voice gateways sent to voice gateways, thereby realized distributing unitedly and managing by the voice server resource of checking numbers.And voice server is that voice gateways are distributed dialing rule according to the dialing rule request message from voice gateways, and the dialing rule that distributes is sent to voice gateways, thereby has realized by voice server dialing rule being distributed unitedly and being managed.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (13)
1. the method for a VoIP number assignment is applied to comprise in the VoIP system of voice server and voice gateways, it is characterized in that, said method comprising the steps of:
Described voice server receives the number resource request message from described voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described voice server is described voice gateways assignment numbers according to described number resource request message;
Described voice server sends the number resource response message to described voice gateways, and described number resource response message comprises the number of described distribution and the corresponding relation of described POTS port-mark;
Wherein, described voice server is that described voice gateways assignment numbers comprises according to described number resource request message:
Described voice server obtains the number capacity of described voice gateways request according to described number resource request message;
When the number capacity of described voice gateways request greater than 1 the time, described voice server extracts a number segment in the available number resource of this locality, the number quantity that comprises in the described number segment is identical with the number capacity of described voice gateways request; Described voice server is given the number assignment in the described number segment POTS port of described voice gateways;
When the number capacity of described voice gateways request equaled 1, described voice server extracted a number in the available number resource of this locality, and this number assignment was given the POTS port of described voice gateways.
2. the method for claim 1 is characterized in that, described voice server is after described voice gateways send the number resource response message, and the update strategy according to predetermined in advance also comprises:
Described voice server is that described voice gateways are redistributed number;
Described voice server sends the number resource updating message to described voice gateways, and described number resource updating message comprises the corresponding relation of described number of redistributing and described POTS port-mark.
3. method as claimed in claim 2 is characterized in that,, needs in advance the local number resource of distributing to voice gateways to be upgraded at voice server before described voice gateways are redistributed number.
4. the method for claim 1 is characterized in that, described voice server also comprises after described voice gateways send the number resource response message:
Described voice server receives the dialing rule request message from described voice gateways;
Described voice server is that described voice gateways are distributed dialing rule according to described dialing rule request message;
Described voice server is to described voice gateways Sending dialled number rule response message, and described dialing rule response message comprises the dialing rule of described distribution.
5. method as claimed in claim 4 is characterized in that, described voice server is after described voice gateways Sending dialled number rule response message, and the dialing rule strategy that redefines according to predetermined in advance also comprises:
Described voice server is that described voice gateways are redistributed dialing rule;
Described voice server is to described voice gateways Sending dialled number Policy Updates message, and described dialing rule updating message comprises the described dialing rule of redistributing.
6. a VoIP system comprises the voice server, voice gateways and the telephone terminal that are positioned at the IP network both sides, it is characterized in that,
Described voice server electrically connects with described voice gateways, is used to receive the number resource request message from described voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message; Disappear according to described number resource request and to be described voice gateways assignment numbers; Send the number resource response message to described voice gateways, described number resource response message comprises the number of described distribution and the corresponding relation of described POTS port-mark;
Described voice gateways, both sides electrically connect with described voice server and described telephone terminal respectively, are used to realize the voice call between the telephone terminal of IP network both sides; Send described number resource request message to described voice server; Reception is from the described number resource response message of described voice server; Write down the number of the distribution of voice server described in the described number resource response message and the corresponding relation of described POTS port-mark.
7. VoIP system as claimed in claim 6 is characterized in that,
Described voice server also is used for according to predefined number resource update strategy, for described voice gateways are redistributed number; Send the number resource updating message to described voice gateways, described number resource updating message comprises the corresponding relation of described number of redistributing and described POTS port-mark;
Described voice gateways also are used to receive the number resource updating message from described voice server; Write down voice server is redistributed described in the described number resource updating message the number and the corresponding relation of described POTS port-mark.
8. VoIP system as claimed in claim 6 is characterized in that,
Described voice server also is used to receive the dialing rule request message from described voice gateways; According to described dialing rule request message is that described voice gateways are distributed dialing rule; To described voice gateways Sending dialled number rule response message, described dialing rule response message comprises the dialing rule of described distribution;
Described voice gateways also are used for to described voice server Sending dialled number rule request message; Reception is from the dialing rule response message of described voice server; Write down the dialing rule that voice server described in the described dialing rule response message distributes.
9. VoIP system as claimed in claim 8 is characterized in that,
Described voice server also is used for the dialing rule strategy that redefines according to predefined, for described voice gateways are redistributed dialing rule; To described voice gateways Sending dialled number Policy Updates message, described dialing rule updating message comprises the described dialing rule of redistributing;
Described voice gateways also are used to receive the dialing rule updating message from described voice server; Write down the dialing rule that voice server is redistributed described in the described dialing rule updating message.
10. a voice server is characterized in that, described voice server comprises receiving element, judging unit, updating block, allocation units, record cell and transmitting element, wherein,
Described receiving element electrically connects with judging unit, is used to receive the number resource request message from voice gateways, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described judging unit is electrical connected with receiving element, updating block and allocation units, is used to judge that the resource of checking numbers upgrades or ask the distribution of number resource;
Described updating block, be connected with described judging unit, transmitting element and described record cell, be used for when described judgment unit judges be to check numbers resource when upgrading, then according to predetermined in advance update strategy, number resource in the middle of using is upgraded, and the number resource after will upgrading is sent to described record cell storage;
Described allocation units, be connected with judging unit, transmitting element and record cell, be used for if work as the branch timing that judgment unit judges is the request number resource, the number resource request message that receives according to receiving element is described voice gateways assignment numbers, and the number resource that distributes is sent to described record cell storage;
Described record cell is connected with allocation units with described updating block, is used to store the number resource from described updating block or allocation units;
Described transmitting element is connected with updating block with allocation units, is used for sending the number resource response message to described voice gateways, and described number resource response message comprises the number of described allocation units distribution and the corresponding relation of described POTS port-mark; Perhaps send the number resource updating message to voice gateways, described number resource updating message comprises the number after described updating block upgrades and the corresponding relation of described POTS port-mark.
11. voice server as claimed in claim 10 is characterized in that,
Described receiving element also is used to receive the dialing rule request message from described voice gateways;
Described judging unit also is used to judge the distribution of dialing rule being upgraded or asking dialing rule;
Described updating block, also be used for when judgment unit judges be when dialing rule is upgraded, according to the dialing rule strategy that redefines, the dialing rule in the middle of using is upgraded, and the dialing rule after will upgrading is sent to described record cell and stores;
Described allocation units, also being used for when judgment unit judges is the branch timing of request dialing rule, the dialing rule request message that receives according to described receiving element is that described voice gateways are distributed dialing rule, and the dialing rule that distributes is sent to the record cell storage;
Described record cell also is used to store the dialing rule from described updating block or allocation units;
Described transmitting element also is used for to described voice gateways Sending dialled number rule response message, and described dialing rule response message comprises the dialing rule that described allocation units distribute; Perhaps to described voice gateways Sending dialled number Policy Updates message, described dialing rule updating message comprises the dialing rule after described updating block upgrades.
12. voice gateways is characterized in that described voice gateways comprise transmitting element, receiving element, record cell and updating block, wherein,
Described transmitting element is used for sending the number resource request message to voice server, comprises POTS port-mark, the number capacity of described voice gateways in the described number resource request message;
Described receiving element is used to receive the number resource response message from described voice server; Reception is from the number resource updating message of described voice server;
Described record cell is used to write down the corresponding relation of local POTS port-mark and number;
Described updating block is connected respectively with record cell with described receiving element, is used for upgrading the local POTS port-mark of described recording unit records and the corresponding relation of number according to the number resource response message that described receiving element receives; Upgrade the local POTS port-mark of described recording unit records and the corresponding relation of number according to the number resource updating message that described receiving element receives.
13. voice gateways as claimed in claim 12 is characterized in that,
Described transmitting element also is used for to described voice server Sending dialled number rule request message;
Described receiving element also is used to receive the dialing rule response message from described voice server; Reception is from the dialing rule updating message of described voice server;
Described record cell also is used to write down the VoIP dialing rule;
Described updating block also is used for upgrading according to the dialing rule response message that described receiving element receives the VoIP dialing rule of described recording unit records; Upgrade the VoIP dialing rule of described recording unit records according to the dialing rule updating message of described receiving element reception.
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| CN102724371B (en) * | 2011-03-29 | 2014-01-22 | 鸿富锦精密工业（深圳）有限公司 | Voice gateway and method for establishing call through same |
| CN109472420A (en) * | 2018-11-19 | 2019-03-15 | 国家电网公司 | The optimization method and device of number resource |
| CN112202979B (en) * | 2020-09-30 | 2021-04-27 | 烽火通信科技股份有限公司 | VOIP one-line double-number control method and device |
| CN116208479B (en) * | 2022-12-09 | 2024-05-28 | 四川天邑康和通信股份有限公司 | Voice port matching method, system, electronic equipment and readable storage medium |
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| CN1708019A (en) * | 2004-06-07 | 2005-12-14 | 杭州华为三康技术有限公司 | Method for centralized controlling intra-domain number resource in sound network |
| CN101252625A (en) * | 2008-03-31 | 2008-08-27 | 杭州华三通信技术有限公司 | Voice gateway and method for collecting subscriber number in Internet protocol voice application |
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| CN1708019A (en) * | 2004-06-07 | 2005-12-14 | 杭州华为三康技术有限公司 | Method for centralized controlling intra-domain number resource in sound network |
| CN101252625A (en) * | 2008-03-31 | 2008-08-27 | 杭州华三通信技术有限公司 | Voice gateway and method for collecting subscriber number in Internet protocol voice application |
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