Code/decode type confirming method

An and decoding type determining method

technical field

The invention relates to next generation network, to of next generation network via the arranging decoding type determining method.

background technology

Next generation network (NGN, Next Generation Network system) is a slope the IP network and bearing, providing fixed-mobile voice data, and video equal or more of service network convergence. The function key is separated from controller, bearing and service.

In NGN system, the traditional plate is separated is MGC (Media Gateway Controller, media gateway controller) and (MG Media Gateway, media gateway) are network element. MGC is mainly used as to achieve the call control has double-layer plane; functionThe MG is mainly used to achieve media stream processing and receiving the device for processing function, MG energy converting different type accessing signal to the loudspeakers (AN Internet Protocol, RTP/RTCP of Internet protocol) in a network (patrolling Protocol/patrolling Control Protocol, and protocol/real-time control protocol) stream. MGC usually for control gateway protocol to achieve the controller is MG, gateway control protocol further comprises is interposed between adjacent the H.248 protocol and MGCP (Media Gateway Control Protocol, media gateway control coordinative i) righteousness.

The existing NGN system, is usually takes for completing an arranging decoding and IP calling from user calling is MGC and consultation, wherein process is as follows: User calling (MGC configuration is user configuring the MGC control in MGC with a configuration or a auditing the MG capabilities information, auditing is MGC auditing is connected with control gateway protocol obtaining state, and configuration information capabilities of) earns the MG supporting and decoding type full, arranging and decoding type sorts according to the priority by the first using, MGC layer hopes the arranging decoding type used in of the forefront, comprising a MGC the device for decoding arranging device to send a called party calling treatment, entity to MGC and IS

(Session Starting Protocol, ^# causing ') protocol gateway equal, a called party calling treatment entity arranged on the decoding type selection to, a acknowledge to the user calling MGC. Wherein the user calling MGC transmitted to the arranging decoding type list of called party with sorted according to the priority by, therefore a called party generally from the list and highest decoding arranging type the arranging decoding type terminal according to the automatic to support.

To and fixed by a pre-formed on MGC, when user calling MG need to send a calling, MGC transmit the arranging decoding type list of the fixedly connected to the called party calling treatment entity, determining arranging decoding type of the call between calling treatment entity consultation of called party. The communicating the coding and decoding arranging device according for decoding type consultation user calling MGC each transmitting time is the same; therefore of called the same call of the main, the arranging decoding type used in each of the same, wherein when the main of called link quality of the arranging and decoding type and dynamically selecting is adapted to the link quality exchange. When the bail voltage of quality, it is a link quality requirement low decoding arranging type, providing acceptable is made of user; When the link quality improvement, it is a link quality requirement and decoding arranging type, providing a fine is made of the user, so the service quality to obtain the efficient safeguards.

invention content

The invention claims a and decoding type charging method, a solve the existing process of according to the service quality of the link quality's dynamic switching selection suitable arranging decoding type so to obtain the problem of safeguard.

The invention method comprises: An and decoding type charging method, comprises steps: Via the transmission sampling called detecting media gateway's local to the link quality, determining local to mass ring; variableThe local to link mass variable to determine corresponding the call of the phone of uplink transmission the upper collecting and decoding.

The local to gateways and is respectively connected between gateways media, or media gateway and same AND webpage are terminals' common connection manner.

The link mass variable is provided with a ring column method for judging, than a link quality detection result and predetermined link quality threshold value media gateway's local, which is higher than the threshold value increase the link exponential quantity, otherwise reduced the link exponential quantity.

When media gateway with multiple bureaus, wherein the local connected to a corresponding the positioning ring and corresponding to the local to the identity information end of the insulated.

Is connected with the chain to investigate the corresponding relationships between aim sheets and upper suitable for decoding length is pre-formed.

The sampling to a calling true call and/or and call.

When media gateway's to the local for network planning the local is configured in advance and/or to a calling the automatically discovering from the local device is a.

On the upper collecting decoding type to device according to the height and a plurality of the arranging decoding type, and highest arranging decoding the first by the call.

The invention beneficial effects is as follows: The invention called via the transmission sampling to media gateway's local system for detecting the link quality, and by corresponding for calling according to link mass variable the upper collecting decoding type, wherein the easily feasible and realizes the second the pneumoelectric arranging decoding type for calling according to the link quality exchange, wherein the ^^i^ quality improvement, a propose the thrifty Ruan Beam service quality of the user; When the bail voltage of quality, capable of providing acceptable service quality for user. Capable of providing better communication experience of the user, improving the user degrees of satisfaction. The auxiliary digital instructional diagram 1 is the arranging decoding type determining current position of the invention, Digital 2) is media gateway's local to the schematic drawing; Digital 3) is determining collecting and decoding type of the MGC flow, image Digital 4) is determining collecting and decoding type of MG the current map.

detailed description of illustrated embodiments

The invention and decoding type determining method in aggregate of the existing a defect, claims an of the corresponding for calling according to the link quality the state of the upper decoding collecting and processing mode, a lower each combined digital attached to the invention is realizing circuit and detailed description of illustrated embodiments and detailed elaboration.

The invention method suitable for is a calls of the types in NGN system and media gateway sends out of the coding and decoding type selecting.

Image l for fixing the invention the current position of an upper collecting decoding type, comprising an realizing method is as follows: Step S1 and production local, a to the local IP is respectively connected between the other MG and gateways, or MG and same AND webpage are terminals' common connection manner; Local a production of use in a network planning arranged as, and is a calling the automatically discovering and increasing local to a method, and a step further, and selects a method of two ways combined; Shown the digital 2) is i^ body gateway's local to the schematic drawing, each MG with one or more console, the local to 1) is contacted with MG with the same AND connected in gateway, the local to 2) is contacted with MG with same AND connection manner at AN end of the IP webpage.

Step S2, wherein an MG end of the phone via the local and sampling call to the link quality detection, a terminal and secondary counting, obtaining pack losses rate, network time, vibration and QoS (Quality of Service, service quality parameter), and QoS parameter according to obtain through RTCP informs the end MG, confirming for attributing the link quality ring mass parameter according to the QoS parameter of the terminal MG. .

The S3, comprising MG each local to a corresponding to the locating ^^, a attributing the local to link mass variable, a link of marking machine aim of local corresponding to the identity information corresponding to the relationships is formed preserves; The sampling called corresponding the link mass parameter of reaches a predetermined link quality threshold value; the link exponential quantity to preset is increasing current capacity, wherein the link mass parameter is less than the preset link quality threshold value; the link exponential quantity to of decreasing progressively number of a pre-formed, wherein the link investigated the aim value of reducing progressively to the link locating starting value, wherein longer to gradually reducing progressively.

The corresponding relationships between ^^ a indexes and collecting and decoding length of the S4 and base is a pre-formed for calling device for confirming collecting and decoding type, the compiles and decoding type which is usually multiple, and decoding to device according to the height and to ensure and power and decoding arranging first is used for calling.

Is determined for collecting and decoding type the process of gravity of MGC, a gravity of MG, and realizing method end of the emitter of which are.

Shown the digital 3 MGC is determined according collecting and decoding type flow position, comprising an realizing method is as follows: The Sll and generating MG each local on MGC local, wherein the substrate is made of network planning on MGC and MG each local formed as to groove; the thickness of the MGC automatically discovering and local selected from calling to a method, and a step further, and selects a method of two ways combined. For example, MGC when the network, platform and MG formed as a local of the gateway of connecting relation sides; when the operation process, whenever MGC discovered the own jurisdiction MG of the call of novel target IP address, automatic gain a local closely on MGC. Configured in NGN network with the magnetism AND terminal device, generally and using the automatic production to the local method, and MGC with a function of the radius of the local.

The S12 and MGC number of sampling to call, and is a control gateway protocol (for of the R248 protocol and MGCP) or a private protocol lights according MG called to sample and EXTERNAL quality detection; The local to the ACK/NAK end of the supporting device and call, MGC flowing to of maintain the predetermined sampling value call to the local, MGC first for call true to call and sampling; and each local the true calling number reaches the preset value, using preset value call to call and sampling from the true call, otherwise the MGC bring-up and call provided with an quantity of called sampling, a sampling to a calling number is equal to the preset value.

The local is no support is terminal device the ACK/NAK method of call, MGC and true call to call and sampling.

MGC lights according MG called to sample disposed on the link quality detection, the local to the terminal device struggles the gap scheduled time section to the data packet is received oneself end of the time detection, for receiving and transmitting message monitoring function counting structure of losses of RTCP rate, network time, vibration and QoS (Quality of Service, service quality parameter), and is itRTCP to inform the QoS parameter MG, the Gen trigram for determining attributing the link quality ring mass parameter according to the QoS parameter of MG. For example, MG may allocate resources for according to different call internal each other to the link quality of with the weight of communication to different first QoSWb, to a weight, a different vibration value of the weight, a different voltage rate of the weight of different delay value of communication equal, wherein MG receiving a to the QoS parameter of loop, search weight of different QoS parameter therefor, and obtaining weight adding which is attributing the current link quality and unfit of link mass parameter.

Of DELTA 13, MGC wherein a control bureaus each of the MG to a corresponding to the positioning ring, a attributing the local to link i^ mass variable.

MG and link mass parameter and predetermined link quality threshold value of the pedal S12 obtaining images, therefore when the link quality tung oil tree reaches a predetermined link quality threshold value; MG output end of the alarm information to MGC with the control gateway protocol or a private protocol, MGC to a sound control power switch of enhancing ring exponential quantity in advance, wherein the link quality is less than the preset link quality threshold value; MG output end of the link recovery to the information to MGC with the control gateway protocol or a private protocol, MGC to the decreasing progressively quantity control of lead of a link to investigate the aim of a pre-formed. When the bail exponential quantity decreases progressively to the link locating starting value, wherein longer continuously reducing to progressively. for example: Local to the link (aim of starting value is 0 MGC, wherein a link quality with a corresponding to the local to the link exponential are overlapped l each time, MGC receiving a link quality a quick-recovery information corresponding to the local to the link exponential quantity to reduce l each time, wherein the link exponential and a reducing progressively to), wherein a longer to casing reducing progressively.

MG each f bureaus lower MGC to control the ring column in each local to the identity information, the corresponding relationships are working at the MGC database. For example, a MGC controlling two MG, a serial are respectively 1 and 2; the serial number is 1 MG with three bureaus, a serial number is 2 MG with two bureaus, the local according to MGC to preserves sign information and local to a corresponding relationships of ring column is:

<img id="idf0001" file="CN100461663CD00081.tif" img-content="drawing" img-format="tif" />

Between *1^ aim sheets and collecting and decoding length of the S14 and MGa Full Ju arranged as an End Xiwei to by calling collecting and decoding type, MG local to a corresponding relationships of locating ring and collecting and decoding type formed on the corner of the MGC; aThe link exponential there is provided with attributing the local to link mass variable, wherein investigate aim value according to a link different determining different collecting and decoding device, which collecting decoding type of the is in usually windows are multiple, are placed the forefront of the highest and decoding arranging device. For example, wherein the multiple chains investigate the aim of range value; and positioning ring is value and a group of which the length decoding. When the bail exponential number of low, which collecting decoding type of the sound quality of good, and bandwidth with multiple types, to G.722.1 and decoding and G.711 coding and decoding, and input and WMA coding and decoding and length; When the bail exponential number of high; the upper collecting decoding type defined misses and bandwidth as to be arranging decoding type of the voice quality, to G.729 and decoding and G.723.1 coding and decoding and G.729 coding and decoding and G.726 coding and decoding the length; or the local to bearing is limiting to shout.

The second fixing platform is MGC with two bureaus formed as to a link of MG is of marking machine corresponding relationships between aim sheets and collecting and decoding length:

<img id="idf0002" file="CN100461663CD00091.tif" img-content="drawing" img-format="tif" />

MGC according to the current M^ value of the call by a preferably and decoding type, and decoding collection device according and a determine through interoffice signal, (call control protocol of a BICC Bearer Independent Call Control Protocol, comprising nothing is made of bearing) IS or (Session Starting Protocol, Session starting Protocol) to transmit the end of the local a.

The S15 and upper collecting decoding type end to the call entity processing method, deletes the arranging decoding type of the collecting and decoding type which is support, connected with a residual arranging decoding type, a terminal calling treatment entity generally from the highest and decoding arranging type the arranging decoding type terminal according to the automatic to support, the arranging decoding type loop according and a second charges MGC, a MGC is lights according to MG call carried out coding and decoding operation according to the arranging decoding type of loop.

Shown the digital 4 MG is determined according collecting and decoding type flow position, comprising an realizing method is as follows: The S21 and generating MG each local on MG local, wherein the substrate is made of network planning on MG and wherein each local formed as to groove; the thickness of the MG automatically discovering and local selected from calling to a method, and a step further, and selects a method of two ways combined. For example, when network planning arranged on MG a pre-formed on wherein a local of the gateway of connecting relation sides; when the operation process, whenever MG of the call of novel target IP address, automatic gain a local closely. Configured in NGN network with the magnetism AND terminal device, generally and using the automatic production to the local method, and MG with a function of the radius of the local.

The S22 and MG top of the true call end of the link quality detection to MGC, the local to device of each gap scheduled time section to the data packet is received oneself realizes the detection time, and voltage message monitoring function counting structure of losses of RTCP rate, network time, vibration and QoS (Quality of Service, service quality parameter), and informs the QoS parameter by RTCP MG, confirming for attributing link quality ring of THE according to the QoS parameter of MG.

For example, MG may allocate resources for according to different call internal each other to the link quality in advance of the weight of different QoS of THE, corresponding to a weight, a different vibration value of the weight, a different voltage rate of the weight of different delay value of communication equal, wherein MG receiving a to the QoS parameter of loop, search weight of different QoS parameter therefor, and obtaining weight adding which is attributing the current link quality and unfit of link quality *.

The S23 and MG of each local is arranged on the corresponding to the positioning ring, a attributing the local to THE mass variable.

MG and link mass parameter and predetermined link quality threshold value of the pedal S12 obtaining images, wherein the link mass parameter is greater than or equal is in predetermined link quality threshold value, a setting increasing current increasing the link to investigate the aim of the preloading buckle; when the bail mass parameter is less than the preset link quality threshold value, a decreasing progressively quantity control of width of the link exponential quantity in advance. When the bail exponential quantity decreases progressively to the link locating starting value, wherein longer continuously reducing to progressively.

for example: Local to link locating starting value is of 0, wherein the link mass parameter is greater than or equal is in link quality on Kan value; MG corresponding to the local to a link of marking machine aim value overlapped shape; when the bail mass parameter is less than the preset link quality threshold value; MG corresponding to the local to the link exponential for reducing 1, wherein hot-melt exponential number of reducing progressively to THE, wherein longer continuously reducing to progressively.

MG each local to a link of marking machine aim of each corresponding to the local the identity information, the corresponding relationships are working at the MG database. For example, comprising three bureaus to MG to the local sign information and local to a corresponding relationships of ring column is:

<img id="idf0003" file="CN100461663CD00111.tif" img-content="drawing" img-format="tif" />

The S24 and MG base is a pre-formed ' circuit investigating the corresponding relationships between aim sheets and collecting and decoding length for calling by collecting and decoding type, MG local to a corresponding relationships of locating ring and collecting and decoding type formed on the corner of the MG; aThe link exponential there is provided with attributing the local to link mass variable, wherein the #4&amp; chain investigate aim of different determining different collecting and decoding device, which collecting decoding type of the is in usually windows are multiple, are placed the forefront of the highest and decoding arranging device. For example, a lead and positioning ring is values; each chain of marking machine aim of a range corresponding to each group of which the length decoding. When the link of marking machine aim value of low, which collecting decoding type of the sound quality of good, and bandwidth with multiple types, to G.722.1 and decoding and G.711 coding and decoding, the INPUT and WMA coding and decoding and length; When the bail exponential number of high; the upper collecting decoding type defined misses and bandwidth as to be arranging decoding type of the voice quality, to G.729 and decoding and G.723.1 coding and decoding and G.729 coding and decoding and G.726 coding and decoding the length; or the local to bearing is limiting to shout.

The lower surface as with two bureaus corresponding to relationships between ring and indexes collecting and decoding length of MG is:

<img id="idf0004" file="CN100461663CD00112.tif" img-content="drawing" img-format="tif" />

<img id="idf0005" file="CN100461663CD00121.tif" img-content="drawing" img-format="tif" />

MG of marking machine aim value according to the current link is calling by a preferably and decoding device, which collecting and decoding and according to determine (for of the R248 protocol and MGCP) or a private transmission protocol is the control gateway protocol MGC, a MGC through interoffice signal, (call control protocol of a BICC Bearer Independent Call Control Protocol, comprising nothing is made of bearing) IS or (Session Starting Protocol, Session starting Protocol) to transmit the end of the local a.

The S25 and upper collecting decoding type end to the call entity processing method, deletes the arranging decoding type of the collecting and decoding type which is support, connected with a residual arranging decoding type, a terminal calling treatment entity generally from the highest and decoding arranging type the arranging decoding type terminal according to the automatic to support, the arranging decoding type loop according and a second charges MGC, a MGC is lights according to MG call carried out coding and decoding operation according to the arranging decoding type of loop.

Of which can be seen, the invention and decoding type to determine for method and realizes 4 see the link quality of variable to and pneumoelectric arranging decoding type of the call, wherein the link quality state is good, capable of providing fine service quality of the user; The link quality state is two, capable of providing acceptable service quality of the user, which of a better communication experience of the user, improving the user degrees of satisfaction.

Obviously; the domain's a provide performing the modified and aberrations to the invention is not separated from the invention the spirit and range. Adhesive; and revisions and aberrations of the invention belong to the invention claims equate and techniques in a range, and invention further comprises intention the modified and aberrations.