CN101175069B - Method and network appliance for adjusting channel associated signalling interface - Google Patents
Method and network appliance for adjusting channel associated signalling interface Download PDFInfo
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- CN101175069B CN101175069B CN2006101231418A CN200610123141A CN101175069B CN 101175069 B CN101175069 B CN 101175069B CN 2006101231418 A CN2006101231418 A CN 2006101231418A CN 200610123141 A CN200610123141 A CN 200610123141A CN 101175069 B CN101175069 B CN 101175069B
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Abstract
The invention provides an adjusting method of CAS (Channel Associated Signaling) interface, which comprises: A. receiving a first CAS; B. recognizing the first CAS; C. adjusting a second CAS according to the recognizing result of procedure B; D. transferring the first CAS at the interface of the adjusted second CAS. Additionally, the invention also provides a network device for adjusting CAS interface. The invention is capable of realizing R1.5 CAS through adjusting (repeating/reusing/expanding) H.248 CAS interface, which reduces the quantity of private signaling interfaces with the simple and efficient adjusting work of signaling interface.
Description
Technical field
The present invention relates to the channel associated signalling interface technical field, especially relate to a kind of method and network equipment of adjusting channel associated signalling interface.
Background technology
At next generation network (Next Generation Network; Abbreviation NGN) in system and third generation network (3G) system; In order to develop the needs of large-scale carrier class IP phone gateway, gateway is decomposed into WMG (Media Gateway is called for short MG) and Media Gateway Controller (Media Gateway Controller; Be called for short MGC), realize that carrying and control are separated.
ITU-T had proposed MGCP in the 16th task group meeting in 2000; I.e. agreement H.248; It is MGCP (Media Gateway Control Protocol in early days; Abbreviation MGCP) improves forming on the basis, and replace the MGCP agreement gradually, become the standard agreement between WMG and the Media Gateway Controller.
H.248, channel associated signalling (Channel Associated Signaling has been described in the agreement; Be called for short CAS) interface protocol; These channel associated signalling interface agreements comprise the definition of many packet (Package); Such as, bcas packet, osext packet, oses packet, r2 packet and bcasaddr packet etc.These packets are applicable to R1 signaling system, R2 signaling system, No.5 signaling system; And the interface that can be used as line signalling and register signaling between WMG and the Media Gateway Controller; Such as, the r2 packet is mainly used in the register signaling interface in the R2 signaling, and the bcasaddr packet can be used for the register signaling interface in the R1 signaling; The bcas packet is used for the line signalling interface of R2 signaling, and osext packet and oses packet are used for the line signalling operator.
Various countries all can define the channel associated signalling system of oneself usually, and Russia is no exception, and Russian channel associated signalling is a protocol family, all claims the R1.5 signaling system, and it is the provincialism channel associated signalling standard of generally using in Russia and the former Soviet Union area.The R1.5 signaling is the protocol system of a complicacy, comprises line signalling and register signaling two parts, and each several part has a lot of subtypes again, is divided into different circuit typess again according to the difference of office's type.Be divided into such as line signalling: CAS1, CAS2,1VF etc.; Register signaling is divided into: MFS, MGP1, MFP2, MFT, DP etc.; Circuit types is divided into: CL, TL, OCL, TCL etc.Between all types of or all types of inside can be made up again, forms very complicated application scenarios.Such as CL_CAS1_MFS, OCL_CAS2_MFP1, TCL_1VF_MFS_DP etc.
Because it is widely different between R1.5 signaling and R1 signaling and the R2 signaling; Cause the R1.5 signaling H.248 can't well shone upon on the agreement; Make agreement H.248 with the road interface can't be directly as the control interface of R1.5 signaling; Therefore, carrying and controlling under the framework that is separated, the R1.5 signaling system can't be achieved according to the channel associated signalling interface in the existing H.248 agreement.
Therefore, we are necessary on the basis of the channel associated signalling interface that agreement H.248 provides, and make improvements, exploitation etc., it is widened be applied to the R1.5 signaling standard.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method and network equipment of adjusting channel associated signalling interface is provided, to realize the R1.5 channel associated signalling existing on H.248 with the signaling interface on road.
For solving the problems of the technologies described above, the present invention discloses a kind of method of adjusting channel associated signalling interface, comprises the steps:
A, reception first kind channel associated signalling;
B, the said first kind channel associated signalling of identification; Be specially: the first kind channel associated signalling that is received and reuse channel associated signalling set, the set of multiplexing channel associated signalling and the set of expansion channel associated signalling corresponding to the second type of channel associated signalling interface of first kind channel associated signalling that preset are compared the channel associated signalling set under the first kind channel associated signalling of confirming to be received respectively;
C, adjust said second type of channel associated signalling interface, obtain adjusted second type of channel associated signalling interface, be specially according to the recognition result among the step B:
If being the first kind channel associated signalling that is received, recognition result belongs to the said channel associated signalling set of reusing; Then reuse the corresponding interface of said second type of channel associated signalling, directly with the corresponding interface of said second type of channel associated signalling corresponding interface as the said first kind channel associated signalling that receives;
If being the first kind channel associated signalling that is received, recognition result belongs to said multiplexing channel associated signalling set; The corresponding interface of then multiplexing said second type of channel associated signalling is revised the corresponding interface of back as the said first kind channel associated signalling that receives with the corresponding interface of said second type of channel associated signalling;
Belong to said expansion channel associated signalling set if recognition result is the first kind channel associated signalling that is received, then expand the corresponding interface of said second type of channel associated signalling, the corresponding interface of the newly-increased said first kind channel associated signalling that receives on second type of channel associated signalling interface;
The first kind channel associated signalling of D, the said reception of transmission on the interface of said adjusted second type of channel associated signalling; Wherein, said first kind channel associated signalling is the R1.5 channel associated signalling, and said second type of channel associated signalling is channel associated signalling H.248.
Preferably, said second type of signaling is channel associated signalling H.248, comprises in R1 signaling, R2 signaling and the No.5 signaling at least a.
Correspondingly, the present invention also provides a kind of network equipment of adjusting channel associated signalling interface, comprising:
Receiving element is used to receive first kind channel associated signalling, and said first kind channel associated signalling is the R1.5 channel associated signalling;
Memory cell, what be used to store the second type channel associated signalling interface corresponding with first kind channel associated signalling reuses channel associated signalling set, the set of multiplexing channel associated signalling and the set of expansion channel associated signalling, and wherein, said second type of channel associated signalling is channel associated signalling H.248;
Recognition unit is used for discerning that first kind channel associated signalling that said receiving element receives belongs to said memory cell reuses channel associated signalling set, the set of multiplexing channel associated signalling or the set of expansion channel associated signalling;
Adjustment unit is used for the recognition result according to said recognition unit, adjusts second type of pairing interface of channel associated signalling, obtains adjusted second type of channel associated signalling interface;
Transmitting element is used for said first kind channel associated signalling is being sent on the adjusted second type of channel associated signalling interface of said adjustment unit;
Wherein, said adjustment unit further comprises:
Reuse subelement; The recognition result that is used at said recognition unit is that the first kind channel associated signalling that is received belongs to when reusing the channel associated signalling set; Reuse the corresponding interface of said second type of channel associated signalling, directly with the corresponding interface of said second type of channel associated signalling corresponding interface as the said first kind channel associated signalling that receives;
The multiplex sub unit; When the first kind channel associated signalling that is used for recognition result at said recognition unit and is to be received belongs to multiplexing channel associated signalling set; The corresponding interface of multiplexing said second type of channel associated signalling is revised the corresponding interface of back as the said first kind channel associated signalling that receives with the corresponding interface of said second type of channel associated signalling;
The expansion subelement; When the first kind channel associated signalling that is used for recognition result at said recognition unit and is to be received belongs to the set of expansion channel associated signalling; Expand the corresponding interface of said second type of channel associated signalling, the corresponding interface of the newly-increased said first kind channel associated signalling that receives on second type of channel associated signalling interface.
Preferably, said first kind channel associated signalling is the R1.5 signaling; Said second type of channel associated signalling is channel associated signalling H.248, comprises in R1 signaling, R2 signaling and the No.5 signaling at least a.
Preferably; The said signaling collection of reusing comprises: the bcas/sd in the bcas packet, bcas/ans, bcas/cf, bcas/cb and bcas/casf signal and incident; Or r2/r2f incident and signal in the r2 packet, or bcasaddr/casf incident and signal in the bcasaddr packet.
Preferably; Said multiplexing signaling collection comprises: the bcas/sz in the bcas packet and bcas/addr signal and incident; Or the r2/r2addr in the r2 packet, r2/cprs and r2/cng incident and signal, or bcasaddr/addr incident and signal in the bcasaddr packet.
Preferably; Said expanded signalling collection comprises: bcas/ani_req signal of expanding in the bcas packet and incident, bcas/ani_rmv signal and incident, bcas/free signal and incident, bcas/busy signal and incident, bcas/secdialtone and bcas/anstransfer, or the osext/ring_req signal of expanding in the osext packet and incident, osext/ring_rmv signal and incident.
Embodiment of the present invention has following beneficial effect:
The present invention is the interface standard according to the first kind (R1.5) channel associated signalling; And with reference to second type of (H.248) channel associated signalling interface standard; Interface to second type of (H.248) channel associated signalling is adjusted (reusing/multiplexing/expand), on second type of (H.248) channel associated signalling interface, to realize the transmission and the application of the first kind (R1.5) channel associated signalling; The principle that the present invention adjusts second type of (H.248) channel associated signalling interface is: reuse with the first kind (R1.5) and describe identical part signaling interface; Multiplexing and the first kind (R1.5) is described similar part signaling interface; The expansion first kind (R1.5) with the road exclusive part signaling interface; Reduced the quantity of privately owned signaling interface like this, and made the work of adjustment signaling interface simply efficient.
Description of drawings
Fig. 1 is the structural representation that the present invention adjusts the network equipment of channel associated signalling interface;
Fig. 2 is the schematic flow sheet that the present invention adjusts the method for channel associated signalling interface.
Embodiment
Core concept of the present invention be through reuse, multiplexing and the expansion method; The R1.5 signaling is corresponding with the signaling interface on road with H.248; Carry and control under the framework that is separated thereby be implemented in, realize R1.5 channel associated signalling system according to the channel associated signalling interface in the existing H.248 agreement.
Please refer to shown in Figure 1ly, the present invention adjusts the structural representation of the network equipment of channel associated signalling interface; The network equipment of the present invention can be a WMG, or Media Gateway Controller, perhaps is an independent device.The said network equipment comprises: receiving element 10, memory cell 11, recognition unit 12, adjustment unit 13 and transmitting element 14.Wherein,
Receiving element 10 is used to receive the R1.5 channel associated signalling;
Reuse channel associated signalling set, the set of multiplexing channel associated signalling and the expansion channel associated signalling of the H.248 channel associated signalling interface that memory cell 11 storages are corresponding with the R1.5 channel associated signalling are gathered;
Specifically, adjustment unit 13 further comprises reuses subelement 130, multiplex sub unit 132 and expansion subelement 134, wherein:
Reuse subelement 130, the recognition result that is used at said recognition unit 12 is that the R1.5 channel associated signalling that is received belongs to when reusing the channel associated signalling set, reuses the H.248 pairing interface of channel associated signalling;
When multiplex sub unit 132, the R1.5 channel associated signalling that is used for recognition result at said recognition unit 12 and is to be received belong to multiplexing channel associated signalling set, the pairing interface of multiplexing H.248 channel associated signalling;
Transmitting element 14 is used for the R1.5 channel associated signalling that is received is sent on adjusted interface.
Described herein reusing, be meant for H.248 identical part R1.5 channel associated signalling is described with the part signaling on road, directly with said H.248 with the interface of this part signaling on road as the interface of R1.5 with road counterpart signaling;
Described herein multiplexing, be meant for H.248 part R1.5 channel associated signalling similar but that there are differences is described with the part signaling on road, H.248 revise the back as the interface of R1.5 with said with road counterpart signaling with the interface of this part signaling on road;
Expansion described herein, be meant for H.248 not similar part R1.5 channel associated signalling both inequality is also described with all signalings on road, then on H.248 with the signaling interface on road expansion R1.5 with this part signaling interface on road.
Specifically; The interface adjustment of 13 pairs of received R1.5 channel associated signallings of aforementioned adjustment unit comprises: to H.248 with the defined bcas packet of interface protocol and the osext packet of the line signalling on road, and to H.248 carrying out the r2 packet and the bcasaddr packet is adjusted with the interface protocol of the register signaling on road is defined.
Adjustment for bcas packet and osext packet comprises:
Bcas/sz and bcas/addr incident and signal in the multiplexing said bcas packet;
Reuse other incidents and signal in the said bcas packet;
In said bcas packet, expand bcas/ani, bcas/free, bcas/busy, bcas/secdialtone and bcas/anstransfer incident and signal; And
Reuse the incident and the signal that comprise in the osext packet, and expand osext/ring_req and osext/ring_rmv incident and signal.
Wherein, the adjustment of said bcas packet and said osext packet is specific as follows:
1.bcas packet
-multiplexing bcas/sz signal is used to issue and takies, and spreading parameter is represented local or long-distance;
-multiplexing bcas/sz incident is used for detecting and reporting taking, and its parameter is identical with being provided with of bcas/sz signal;
-multiplexing bcas/addr signal is used for DP and issues address digit;
-multiplexing bcas/addr incident is used for DP and detects and report address digit;
-expansion bcas/ani_req signal is used to issue the ani request, and spreading parameter is represented " being " or " denying ";
-expansion bcas/ani_req incident is used for detecting and reports the ani request, and its parameter is with identical with being provided with of bcas/ani_req signal;
-expansion bcas/ani_rmv signal is used to issue the ani cancellation, and spreading parameter is represented " being " or " denying ";
-expansion bcas/ani_rmv incident is used for detecting and reports the ani cancellation, and its parameter is identical with being provided with of bcas/ani_rmv signal;
-expansion bcas/free signal is used to issue the called free time;
-expansion bcas/free incident is used for detecting and reporting the called free time;
-expansion bcas/busy signal is used to issue Called Busy, and spreading parameter is represented local or long-distance;
-expansion bcas/busy incident is used for detecting and reporting Called Busy, and its parameter is identical with being provided with of bcas/busy signal;
-expansion bcas/secdialtone is used for detecting and reporting secondary dial tone;
-expansion bcas/anstransfer is used for detecting and reports answer to transmit indication.
Explain: bcas/sz, bcas/addr incident and the signal of this packet except being re-used; Other signals and incident in the packet are all reused; Like bcas/sd, bcas/ans, bcas/cf, bcas/cb, bcas/casf etc., all can directly be used in the interface of Russian channel associated signalling.Wherein, multiplexing signal and incident with expansion is the peculiar signaling interface part of Russian channel associated signalling.
2.osext packet
-expansion osext/ring_req signal is used to issue ring, and spreading parameter is represented the ring mode;
-expansion osext/ring_req incident is used for detecting or reporting ring, and its parameter is identical with being provided with of osext/ring_req signal;
-expansion osext/ring_rmv signal is used to issue the ring cancellation, and its parameter is identical with being provided with of osext/ring_req;
-expansion osext/ring_rmv incident is used for detecting or reporting ring, and its parameter is identical with being provided with of osext/ring_req signal.
Explain: other signals and incident in this packet are all reused, and can directly be used in the interface of Russian channel associated signalling; Osext/ring_req that expands in this packet and osext/ring_rmv incident and signal are because Russian with the peculiar signaling interface part in road.
Adjustment for r2 packet and bcasaddr packet comprises:
Reuse r2/r2f incident and signal in the said r2 packet;
R2/r2addr, r2/cprs and r2/cng incident and signal in the multiplexing said r2 packet;
Reuse bcasaddr/casf incident and signal in the said bcasaddr packet;
Bcasaddr/addr incident and signal in the multiplexing said bcasaddr packet.
Wherein, in register signaling interface H.248, following to the concrete adjustment of said r2 packet and said bcasaddr packet with the road:
1.r2 packet
-multiplexing r2/r2addr signal is used to issue MFS, MFP1, MFP2 address information, and the parameter when being applied to each register(system) is done following specific (special) requirements:
When being applied to the MFS register(system), only use wherein di and sc parameter, wherein, parameter d i is used to issue called number, and parameter s c is used to issue type of call;
When being applied to the MFP1 register(system), only use di parameter wherein, this parameter d i is used for issuing number series by the MFP1 signaling format;
When being applied to the MFP2 register(system), only use di parameter wherein, this parameter d i is used for issuing number series by the MFP2 signaling format, wherein, can comprise a plurality of sub-number series in the number series;
-multiplexing r2/r2addr incident is used to issue and detects MFS, MFP1, MFP2 address information, and its parameter is identical with being provided with of r2/r2addr signal;
-multiplexing r2/cprs signal is used for MFS, MFP1, MFP2 and issues called subscriber's line states, and the parameter when being applied to each register(system) is done specifically defined as follows:
When being applied to the MFS register(system), can represent the called free time, busy, congested, change DP, do not receive information etc.;
When being applied to the MFP1 register(system), can represent the number correctness;
When being applied to the MFP2 register(system), can represent wait, release etc.;
-multiplexing r2/cprs incident is used for MFS, MFP1, MFP2 detects and report called subscriber's line states, and its parameter is provided with identical with the r2/cprs signal;
-multiplexing r2/cng is used for the MFP2 detection and reports congested.
Explain: this packet is except the r2/r2addr, r2/cprs, r2/cng incident and the signal that are re-used, and incident r2/r2f can be reused.
2.bcasaddr packet
-multiplexing bcasaddr/addr signal only is used for the MFT register(system) and issues calling number (other register(system)s use the r2 packet, be convenient to MG like this MFT register(system) and other register(system)s are distinguished);
-multiplexing bcasaddr/addr incident only is used for the MFT register(system) and detects and report calling number.
Explain: this packet is except the bcasaddr/addr incident and signal that are re-used, and incident bcasaddr/casf can be reused.
Reuse signaling set, the set of multiplexing signaling and the expanded signalling set of therefore, in memory cell 11, being stored are respectively:
Reusing the signaling set comprises: other signals in the bcas packet except that bcas/sz, bcas/addr incident and signal and incident (bcas/sd, bcas/ans, bcas/cf, bcas/cb and bcas/casf signal and incident); Or other signals and the incident except that osext/ring_req, osext/ring_rmv incident and signal in the osext packet; Or r2/r2f incident and signal in the r2 packet, or bcasaddr/casf incident and signal in the bcasaddr packet.
Multiplexing signaling set comprises: the bcas/sz in the bcas packet and bcas/addr signal and incident; Or the r2/r2addr in the r2 packet, r2/cprs and r2/cng incident and signal, or bcasaddr/addr incident and signal in the bcasaddr packet.
The expanded signalling set comprises: bcas/ani_req signal of expanding in the bcas packet and incident, bcas/ani_rmv signal and incident, bcas/free signal and incident, bcas/busy signal and incident, bcas/secdialtone and bcas/anstransfer, or the osext/ring_req signal of expanding in the osext packet and incident, osext/ring_rmv signal and incident.
Correspondingly, the present invention also provides a kind of method of adjusting channel associated signalling interface, sees also the flow chart that the present invention illustrated in fig. 2 adjusts the method for channel associated signalling interface.
Step S200: receive the R1.5 channel associated signalling;
Step S202: the R1.5 channel associated signalling of discerning this reception; Be about to reusing channel associated signalling set, the set of multiplexing channel associated signalling and expanding channel associated signalling and gather and compare of R1.5 channel associated signalling that this will receive the H.248 channel associated signalling interface corresponding, confirm which signaling it belongs to and gather with predefined and R1.5 channel associated signalling; Be specially:
Step S204: whether the R1.5 channel associated signalling of judging this reception belongs to is reused channel associated signalling set (reusing the existing in front explanation of the signaling type that comprises with the road set); If judged result is for being; Then in step S206, reuse the H.248 corresponding interface of channel associated signalling, and go to step S214; If judged result then goes to step S208 for not;
Step S208: whether the R1.5 channel associated signalling of judging this reception belongs to multiplexing channel associated signalling set (the existing in front explanation of the multiplexing signaling type that comprises with the road set); If judged result is for being; The corresponding interface of multiplexing H.248 channel associated signalling in step S210 then, and go to step S214; If judged result then goes to step S212 for not;
Step S212: the R1.5 channel associated signalling of this reception of the above-mentioned determining step judgement of process does not promptly belong to reuses the channel associated signalling set; Do not belong to multiplexing channel associated signalling set yet; Then it should belong to expansion with road set (the existing in front explanation of signaling type that expansion comprises with the road set), then expands the H.248 corresponding interface of channel associated signalling;
Step S214:, on the interface of adjusted channel associated signalling, transmit said R1.5 channel associated signalling to after H.248 the corresponding interface of channel associated signalling is adjusted (reusing/multiplexing/expand).
Compared with prior art, the present invention has following useful technique effect:
The present invention is the interface standard according to the R1.5 channel associated signalling; And with reference to H.248 with the signaling interface standard (H.248 consensus standard) on road; H.248 the interface of channel associated signalling is adjusted (reusing/multiplexing/expand), to realize the R1.5 channel associated signalling under the network architecture that is separated with carrying in control; The present invention to the principle of H.248 adjusting with the signaling interface on road is: reuse with R1.5 and describe identical part signaling interface; Multiplexing and R1.5 describes similar part signaling interface; Expansion R1.5 with the road exclusive part signaling interface; Reduced the quantity of privately owned signaling interface like this, and made the work of adjustment signaling interface simply efficient.
Claims (7)
1. a method of adjusting channel associated signalling interface is characterized in that, this method comprises the steps:
A, reception first kind channel associated signalling;
B, the said first kind channel associated signalling of identification are specially:
The first kind channel associated signalling that is received and reuse channel associated signalling set, the set of multiplexing channel associated signalling and the set of expansion channel associated signalling corresponding to the second type of channel associated signalling interface of first kind channel associated signalling that preset are compared the channel associated signalling set under the first kind channel associated signalling of confirming to be received respectively;
C, adjust said second type of channel associated signalling interface, obtain adjusted second type of channel associated signalling interface, be specially according to the recognition result among the step B:
If being the first kind channel associated signalling that is received, recognition result belongs to the said channel associated signalling set of reusing; Then reuse the corresponding interface of said second type of channel associated signalling, directly with the corresponding interface of said second type of channel associated signalling corresponding interface as the said first kind channel associated signalling that receives;
If being the first kind channel associated signalling that is received, recognition result belongs to said multiplexing channel associated signalling set; The corresponding interface of then multiplexing said second type of channel associated signalling is revised the corresponding interface of back as the said first kind channel associated signalling that receives with the corresponding interface of said second type of channel associated signalling;
Belong to said expansion channel associated signalling set if recognition result is the first kind channel associated signalling that is received, then expand the corresponding interface of said second type of channel associated signalling, the corresponding interface of the newly-increased said first kind channel associated signalling that receives on second type of channel associated signalling interface;
The first kind channel associated signalling of D, the said reception of transmission on the interface of said adjusted second type of channel associated signalling;
Wherein, said first kind channel associated signalling is the R1.5 channel associated signalling, and said second type of channel associated signalling is channel associated signalling H.248.
2. the method for adjustment channel associated signalling interface as claimed in claim 1 is characterized in that, said second type of channel associated signalling is channel associated signalling H.248, comprises in R1 signaling, R2 signaling and the No.5 signaling at least a.
3. a network equipment of adjusting channel associated signalling interface is characterized in that, comprising:
Receiving element is used to receive first kind channel associated signalling, and said first kind channel associated signalling is the R1.5 channel associated signalling;
Memory cell, what be used to store the second type channel associated signalling interface corresponding with first kind channel associated signalling reuses channel associated signalling set, the set of multiplexing channel associated signalling and the set of expansion channel associated signalling, and wherein, said second type of channel associated signalling is channel associated signalling H.248;
Recognition unit is used for discerning that first kind channel associated signalling that said receiving element receives belongs to said memory cell reuses channel associated signalling set, the set of multiplexing channel associated signalling or the set of expansion channel associated signalling;
Adjustment unit is used for the recognition result according to said recognition unit, adjusts second type of pairing interface of channel associated signalling, obtains adjusted second type of channel associated signalling interface;
Transmitting element is used for said first kind channel associated signalling is being sent on the adjusted second type of channel associated signalling interface of said adjustment unit;
Wherein, said adjustment unit further comprises:
Reuse subelement; The recognition result that is used at said recognition unit is that the first kind channel associated signalling that is received belongs to when reusing the channel associated signalling set; Reuse the corresponding interface of said second type of channel associated signalling, directly with the corresponding interface of said second type of channel associated signalling corresponding interface as the said first kind channel associated signalling that receives;
The multiplex sub unit; When the first kind channel associated signalling that is used for recognition result at said recognition unit and is to be received belongs to multiplexing channel associated signalling set; The corresponding interface of multiplexing said second type of channel associated signalling is revised the corresponding interface of back as the said first kind channel associated signalling that receives with the corresponding interface of said second type of channel associated signalling;
The expansion subelement; When the first kind channel associated signalling that is used for recognition result at said recognition unit and is to be received belongs to the set of expansion channel associated signalling; Expand the corresponding interface of said second type of channel associated signalling, the corresponding interface of the newly-increased said first kind channel associated signalling that receives on second type of channel associated signalling interface.
4. the network equipment of adjustment channel associated signalling interface as claimed in claim 3 is characterized in that, said second type of channel associated signalling is channel associated signalling H.248, comprises in R1 signaling, R2 signaling and the No.5 signaling at least a.
5. like the network equipment of claim 3 or 4 described adjustment channel associated signalling interfaces; It is characterized in that; The said signaling collection of reusing comprises: the bcas/sd in the bcas packet, bcas/ans, bcas/cf, bcas/cb and bcas/casf signal and incident; Or r2/r2f incident and signal in the r2 packet, or bcasaddr/casf incident and signal in the bcasaddr packet.
6. like the network equipment of claim 3 or 4 described adjustment channel associated signalling interfaces; It is characterized in that; Said multiplexing signaling collection comprises: the bcas/sz in the bcas packet and bcas/addr signal and incident; Or the r2/r2addr in the r2 packet, r2/cprs and r2/cng incident and signal, or bcasaddr/addr incident and signal in the bcasaddr packet.
7. like the network equipment of claim 3 or 4 described adjustment channel associated signalling interfaces; It is characterized in that; Said expanded signalling collection comprises: bcas/ani_req signal of expanding in the bcas packet and incident, bcas/ani_rmv signal and incident, bcas/free signal and incident, bcas/busy signal and incident, bcas/secdialtone and bcas/anstransfer, or the osext/ring_req signal of expanding in the osext packet and incident, osext/ring_rmv signal and incident.
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| WO2002032154A2 (en) * | 2000-10-09 | 2002-04-18 | General Bandwidth, Inc. | System and method for interfacing between signaling protocols |
| CN1541488A (en) * | 2001-06-14 | 2004-10-27 | 艾利森公司 | System for and method of channel associated signaling backhaul in routing system |
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| CN101175069A (en) | 2008-05-07 |
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