CN103888985A - Information transmission method, media gateway and base station controller - Google Patents
Information transmission method, media gateway and base station controller Download PDFInfo
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- CN103888985A CN103888985A CN201210563587.8A CN201210563587A CN103888985A CN 103888985 A CN103888985 A CN 103888985A CN 201210563587 A CN201210563587 A CN 201210563587A CN 103888985 A CN103888985 A CN 103888985A
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Abstract
The invention provides an information transmission method, a media gateway and a base station controller. The method comprises: under the condition of IP (internet protocol) conversion of an A interface, receiving DTMF (dual tone multiple frequency) signals sent by user equipment, the DTMF signals comprising button information of the UE (user equipment); converting the DTMF signals into RFC2833 (request for comment 2833) messages, the RFC2833 messages comprising the button information of the use equipment; and sending the RFC2833 messages to the BSC (base station controller) of a BSS (base station subsystem). Since the DTMF signals comprising the button information of the UE are converted into the RFC2833 messages comprising the button information of the user equipment, in the BSS, the button information of the user equipment can be obtained by directly using the BSC to parse the RFC2833 messages, and the operation maintenance of a network is carried out according to the button information of the user equipment, so that the problem of partially failed operation maintenance functions caused by the lack of a transcoder (TC) in the BSS after the conversion of the A interface is solved.
Description
Technical field
The embodiment of the present invention relates to wireless communication technology field, and more specifically, relates to information transferring method, media gateway and base station controller.
Background technology
At traditional global system for mobile telecommunications (Global System ofMobile Communication, GSM) in network, base station sub-system (Base Station Subsystem, BSS) with media gateway (Media Gateway, user's face of the interface (being A interface) MGW) has only defined time division multiplexing (Time Division Multiplex, TDM) transmission mechanism.Unique encoding and decoding under this transmission mechanism are pulse modulation codings (Pulse Code Modulation, PCM).Code variator (Transcoder, TC) in BSS has been responsible for the voice signal processing of 16kbits to 64kbits.
After A interface Internet protocol (Internet Protocol, IP) is changed, the GSM network architecture changes, and wherein most important variation is to move on to MGW in the TC resource in BSS.Like this, A interface can use Qualcomm Code Excited Linear Prediction (QCELP).Because the GSM network architecture changes, therefore original partial function is produced to impact, cause partial function to lose efficacy.For example, owing to being subject to a yard constraint for excitation linear encryption algorithm, in part situation, dual-tone multifrequency (Dual Tone Multiple Frequency, DTMF) signal has larger distortion in the time of speech coding, thereby produces noise in the time of decoding.After A interface IPization, in BSS, there is no TC resource, therefore cannot explain dtmf signal and be abandoned, therefore can reduce user's impression.For another example, in legacy network, conventional base station controller (Base Station Controller, BSC) internal loopback operation (user's voice being sent it back to this user again, for voice quality problem location) also can be because A interface IPization lost efficacy.
Summary of the invention
The invention provides information transferring method, media gateway and base station controller.The method according to this invention, has solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
First aspect, the invention provides a kind of information transferring method, and the method is carried out by the media gateway MGW of supporting RFC2833 transmission mechanism, the A interface Internet protocol IPization of this MGW and base station sub-system BSS, and the method comprises:
Receive the dual tone multi-frequency dtmf signal that subscriber equipment sends, this dtmf signal comprises the key information of this subscriber equipment;
This dtmf signal is converted to RFC2833 message, and this RFC2833 message comprises the key information of this subscriber equipment;
Send this RFC2833 message to the base station controller BSC of this BSS.
In conjunction with first aspect, in the possible implementation of the first, send this RFC2833 message to base station controller BSC, comprising:
In the situation that determining that this BSC supports RFC2833 transmission mechanism, send this RFC2833 message to this BSC.
In conjunction with the possible implementation of the first, in the possible implementation of the second, this determines that whether this BSC supports RFC2833 transmission mechanism, comprising:
Support, message, to determine that this BSC supports this RFC2833 transmission mechanism in the case of receiving the RFC2833 of this BSC transmission.
In conjunction with the possible implementation of the second, in the third possible implementation, before this RFC2833 that receives this BSC transmission supports message, the method also comprises:
Send RFC2833 message transfer to this BSC, support message so that this BSC sends RFC2833 to this MGW in the situation that receiving this RFC2833 message transfer.
Second aspect, the invention provides a kind of information transferring method, the method is carried out by the base station controller BSC of supporting RFC2833 transmission mechanism, the base station sub-system BSS under this BSC and the A interface Internet protocol IPization of media gateway MGW, this MGW supports RFC2833 transmission mechanism, and the method comprises:
Receive the RFC2833 message that this MGW sends, wherein this RFC2833 message comprises the key information of subscriber equipment;
According to the key information of this subscriber equipment, carry out network operation maintenance.
In conjunction with second aspect, in the possible implementation of the first, before the RFC2833 message sending at this MGW of this reception, the method also comprises:
Send RFC2833 to this MGW and support message, this RFC2833 supports message for notify this BSC to support RFC2833 transmission mechanism to this MGW.
In conjunction with the possible implementation of the first, in the possible implementation of the second, send RFC2833 support message to this MGW before, the method also comprises:
Receive the RFC2833 message transfer that this MGW sends, this RFC2833 message transfer is for notifying this MGW to support this RFC2833 transmission mechanism to this BSC.
The third aspect, the invention provides a kind of media gateway MGW, and this MGW supports RFC2833 transmission mechanism, and the A interface Internet protocol IPization of this MGW and base station sub-system BSS, and this MGW comprises:
Receiving element, the dual tone multi-frequency dtmf signal sending for receiving subscriber equipment, this dtmf signal comprises the key information of this subscriber equipment;
Control unit, for this dtmf signal is converted to RFC2833 message, this RFC2833 message comprises the key information of this subscriber equipment;
Transmitting element, for sending this RFC2833 message to the base station controller BSC of this BSS.
In conjunction with the third aspect, in the possible implementation of the first,
This control unit, also for determining whether this BSC supports this RFC2833 transmission mechanism;
This transmitting element, specifically for determine that at this control unit this BSC supports this RFC2833 transmission mechanism in the situation that, sends this RFC2833 message to this BSC.
In conjunction with the possible implementation of the first, in the possible implementation of the second,
This receiving element, the RFC2833 support message also sending for receiving this BSC;
This control unit, the in the situation that of supporting message, determines that this BSC supports this RFC2833 transmission mechanism specifically for receive this RFC2833 at this receiving element.
In conjunction with the possible implementation of the second, in the third possible implementation,
This transmitting element, also for sending RFC2833 message transfer to this BSC, supports message so that this BSC sends RFC2833 to this MGW in the situation that receiving this RFC2833 message transfer.
Fourth aspect, the invention provides a kind of base station controller BSC, and this BSC supports RFC2833 transmission mechanism, and base station sub-system BSS and the A interface IPization of media gateway MGW under this BSC, this MGW support RFC2833 transmission mechanism, and this BSC comprises:
Receiving element, the RFC2833 message sending for receiving this MGW, this RFC2833 message comprises the key information of subscriber equipment;
Control unit, for according to the key information of this subscriber equipment, carries out network operation maintenance.
In conjunction with fourth aspect, in the possible implementation of the first, this BSC also comprises:
Transmitting element, supports message for sending RFC2833 to this MGW, and this RFC2833 supports message for notify this BSC to support RFC2833 transmission mechanism to this MGW.
In conjunction with the possible implementation of the first, in the possible implementation of the second,
This receiving element, the RFC2833 message transfer also sending for receiving this MGW, this RFC2833 message transfer is for notifying this MGW to support this RFC2833 transmission mechanism to this BSC.
According to the embodiment of the present invention, because MGW is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention be briefly described below, apparently, described accompanying drawing is only some embodiments of the present invention below, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the indicative flowchart of information transferring method provided by the invention.
Fig. 2 is the indicative flowchart of information transferring method provided by the invention.
Fig. 3 is the indicative flowchart of information transferring method provided by the invention.
Fig. 4 is the schematic diagram of RTCP RFC2833 message format.
Fig. 5 is the structure chart of MGW provided by the invention.
Fig. 6 is BSC schematic block diagram provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.
The technical scheme of the embodiment of the present invention can be applied to global system for mobile telecommunications (Global System of Mobile communication is called for short " GSM ") system.
UE also can be referred to as mobile terminal (Mobile Terminal, MT), mobile subscriber equipment etc., can be through wireless access network (for example, Radio Access Network, RAN) communicate with one or more core net, subscriber equipment can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with have the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted.
Fig. 1 is the indicative flowchart of information transferring method provided by the invention, and the method for Fig. 1 is carried out by the MGW that supports RFC2833 transmission mechanism, the A interface IPization of this MGW and BSS.
101, receive the dtmf signal that subscriber equipment sends, this dtmf signal comprises the key information of this subscriber equipment.
102, this dtmf signal is converted to RFC2833 message, this RFC2833 message comprises the key information of this subscriber equipment.
103, send this RFC2833 message to the BSC of this BSS.
According to the method for Fig. 1, because MGW is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Optionally, this MGW, before sending this RFC2833 message to this BSC, need to determine that this BSC supports RFC2833 transmission mechanism.Particularly, this MGW supports message in the case of receiving the RFC2833 of this BSC transmission, determines that this BSC supports RFC2833 transmission mechanism.Optionally, this MGW can send RFC2833 message transfer to this BSC, and this BSC, in the situation that receiving this RFC2833 message transfer and this BSC support RFC2833 transmission mechanism, sends RFC2833 to this MGW and supports message.Or this BSC, in the situation that supporting RFC2833 transmission mechanism, can directly send RFC2833 to this MGW and support message, need to be in the case of not receiving the RFC2833 message transfer that this MGW sends, then send this RFC2833 to this MGW and support message.
Optionally, do not support RFC2833 transmission mechanism if this MGW determines this BSC, do not send and comprise RFC2833 message to this BSC, can not need dtmf signal to be converted to RFC2833 message yet, can directly send this dtmf signal to this BSC.
Fig. 2 is the indicative flowchart of information transferring method provided by the invention, and the method for Fig. 2 is carried out by the BSC that supports RFC2833 transmission mechanism, the BSS under this BSC and the A interface IPization of MGW, and this MGW supports RFC2833 transmission mechanism.
201, receive the RFC2833 message that this MGW sends, this RFC2833 message comprises the key information of subscriber equipment, wherein RFC2833 message is by this MGW, the dtmf signal that comprises this subscriber equipment key information to be converted to.
202, according to this subscriber equipment key information in RFC2833 message, carry out network operation maintenance.
Optionally, this carries out network operation and safeguards and comprise: this BSC can be according to this subscriber equipment key information in RFC2833 message, in the case of this key information be number information and mate with default number information, carry out loopback piecemeal according to this number information.This BSC can also, according to this subscriber equipment key information in RFC2833 message, determine and abandon this RFC2833 message, do not forward this RFC2833 message to another subscriber equipment, to avoid noise.
According to the method for Fig. 2, because MGW is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Optionally, this BSC, before receiving the RFC2833 message of this MGW transmission, sends RFC2833 to this MGW and supports message, for notify this BSC to support RFC2833 transmission mechanism to this MGW.
Optionally, this BSC, send this RFC2833 support message to this MGW before, receives the RFC2833 message transfer that this MGW sends, and this RFC2833 message transfer is for notifying this MGW to support this RFC2833 transmission mechanism to this BSC.
Fig. 3 is the indicative flowchart of information transferring method provided by the invention.Fig. 3 is an embodiment of the method shown in Fig. 1 and Fig. 2.MGW in Fig. 3 supports RFC2833, and BSC belongs to the BSS being connected with this MGW, the A interface IPization of this MGW and this BSS.
Step 301 and step 302 are optional step, by performing step 301 and step 302, or only can determine by execution step 302, MGW whether this BSC supports RFC2833 transmission mechanism.If MGW is determining that this BSC supports RFC2833 transmission mechanism, do not need to perform step 301 and step 302, or execution step 302.
301, MGW sends RFC2833 message transfer to BSC, and this RFC2833 message transfer is for notifying this MGW to support this RFC2833 transmission mechanism to this BSC.
302, MGW receives the RFC2833 support message that BSC sends, and wherein this RFC2833 supports that message is that this BSC sends in the situation that supporting RFC2833 transmission mechanism, for notify this BSC to support RFC2833 transmission mechanism to this MGW.
Optionally, as an embodiment, this RFC2833 message transfer and RFC2833 support that message is RTCP Real-time Transport Control Protocol (Real-time Transport Control Protocol, RTCP) message, particularly, this RTCP message is RTCP RFC2833 message.
Optionally, as an embodiment, can perform step 301 and step 302, for determining whether this BSC supports RFC2833 transmission mechanism.Support the BSC of RFC2833 transmission mechanism in the case of receiving the RFC2833 message transfer of this MGW transmission, send RFC2833 to this MGW and support message.This MGW, in the situation that receiving this RFC2833 support message, determines that this BSC supports RFC2833 transmission mechanism.In the case, step 301 and step 302 can be carried out before step 305.
Optionally, as an embodiment, can not perform step 301, only perform step 302, for determining whether this BSC supports RFC2833 transmission mechanism.In the case, if BSC supports RFC2833 transmission mechanism, send RFC2833 to MGW and support message.This MGW, in the situation that receiving RFC2833 support message, determines that this BSC supports RFC2833 transmission mechanism.In the case, step 302 can be carried out before step 305.
303, MGW receives the dtmf signal that subscriber equipment sends, and this dtmf signal comprises the key information of this subscriber equipment.
304, this dtmf signal is converted to RFC2833 message by this MGW, and this RFC2833 message comprises the key information of this subscriber equipment.
It should be noted that, in the time that this dtmf signal is converted to RFC2833 message, the key information of this subscriber equipment does not change.
305, this MGW sends this RFC2833 message to BSC.
306, this BSC resolves this RFC2833 message, obtains the key information of this subscriber equipment that RFC2833 message comprises, and according to the key information of this subscriber equipment, carries out network operation maintenance.
Optionally, the content that this BSC carries out network operation maintenance comprises: the key information of this subscriber equipment that this BSC can comprise according to RFC2833 message, in the case of this key information be number information and mate with default number information, carry out loopback piecemeal according to this number information.The key information of this subscriber equipment that this BSC can also comprise according to RFC2833 message, determines and abandons this RFC2833 message, does not forward RFC2833 message to another subscriber equipment, to avoid noise.
According to the method for Fig. 3, because MGW is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Fig. 4 is the schematic diagram of RTCP RFC2833 message format.MGW in Fig. 3 uses the message format shown in Fig. 4 to send RFC2833 message transfer, or BSC in Fig. 3 uses the message format shown in Fig. 4 to send RFC2833 to support message.
RTCP message in Fig. 4 is followed RFC3550 agreement, and wherein in Fig. 4, the description of relevant field is as shown in table 1, and wherein SSRC is synchronisation source (Synchronization Source), and CSRC is contribution source (Contributing Source).
Table 1
Fig. 5 is the structure chart of MGW provided by the invention.The MGW500 of Fig. 5 can execution graph 1 or Fig. 3 in the step carried out of MGW, this MGW supports RFC2833 transmission mechanism, and the A interface IPization of this MGW and BSS.MGW500 comprises receiving element 501, control unit 502 and transmitting element 503.
Receiving element 501, sends dtmf signal for receiving subscriber equipment, and this dtmf signal comprises the key information of this subscriber equipment.
Transmitting element 503, sends this RFC2833 message to the BSC of this BSS.
According to the MGW500 of Fig. 5, because MGW500 is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Optionally, control unit 502, also for determining whether this BSC supports RFC2833 transmission mechanism.Transmitting element 503, specifically in the situation that control unit 502 determines that this BSC supports RFC2833 transmission mechanism, sends this RFC2833 message to this BSC.
Optionally, receiving element 501, also sends RFC2833 support message for receiving this BSC.Control unit 502, the in the situation that of supporting message, determines that this BSC supports RFC2833 transmission mechanism specifically for receive RFC2833 at receiving element 501.
Optionally, transmitting element 503, also for sending RFC2833 message transfer to this BSC, this RFC2833 message transfer is for supporting this RFC2833 transmission mechanism to this BSC notice MGW500.
Fig. 6 is BSC schematic block diagram provided by the invention.BSC600 shown in Fig. 6 can execution graph 1 or Fig. 3 shown in method in the step carried out of BSC, BSC600 supports RFC2833 transmission mechanism, and BSS and the A interface IPization of MGW under BSC600, this MGW support RFC2833 transmission mechanism.BSC600 comprises receiving element 601 and control unit 602.
Receiving element 601, the RFC2833 message sending for receiving this MGW, this RFC2833 message comprises the key information of subscriber equipment, wherein RFC2833 message is by this MGW, the dtmf signal of the key information that comprises this subscriber equipment to be converted to.
According to the BSC600 of Fig. 6, because MGW is converted to the dtmf signal that comprises subscriber equipment key information the RFC2833 message that comprises this subscriber equipment key information, in BSS, can directly use BSC600 to resolve this RFC2833 message to obtain the key information of this subscriber equipment, carry out the operation maintenance of network according to the key information of this subscriber equipment, solved due to the problem that lacks the part operation maintenance disabler that TC causes in BSS after A interface IPization.
Optionally, receiving element 601, can also be used for receiving the RFC2833 message transfer that this MGW sends, and this RFC2833 message transfer is for notifying this MGW to support this RFC2833 transmission mechanism to BSC600.
Optionally, BSC600 can also comprise transmitting element 603, supports message for sending RFC2833 to this MGW, and this RFC2833 supports message for supporting RFC2833 transmission mechanism to this MGW notice BSC600.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) or processor (processor) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily or replacement; within all should being encompassed in protection scope of the present invention, therefore protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (14)
1. an information transferring method, is characterized in that, described method is carried out by the media gateway MGW of supporting RFC2833 transmission mechanism, the A interface Internet protocol IPization of described MGW and base station sub-system BSS, and described method comprises:
Receive the dual tone multi-frequency dtmf signal that subscriber equipment sends, described dtmf signal comprises the key information of described subscriber equipment;
Described dtmf signal is converted to RFC2833 message, and described RFC2833 message comprises the key information of described subscriber equipment;
Send described RFC2833 message to the base station controller BSC of described BSS.
2. the method for claim 1, is characterized in that, describedly sends described RFC2833 message to base station controller BSC, comprising:
In the situation that determining that described BSC supports RFC2833 transmission mechanism, send described RFC2833 message to described BSC.
3. method as claimed in claim 2, is characterized in that, whether described definite described BSC supports RFC2833 transmission mechanism, comprising:
Support, message, to determine that described BSC supports described RFC2833 transmission mechanism in the case of receiving the RFC2833 of described BSC transmission.
4. method as claimed in claim 3, is characterized in that, before the described RFC2833 that receives described BSC transmission supports message, described method also comprises:
Send RFC2833 message transfer to described BSC, support message so that described BSC sends RFC2833 to described MGW in the situation that receiving described RFC2833 message transfer.
5. an information transferring method, it is characterized in that, described method is carried out by the base station controller BSC of supporting RFC2833 transmission mechanism, the base station sub-system BSS under described BSC and the A interface Internet protocol IPization of media gateway MGW, described MGW supports RFC2833 transmission mechanism, and described method comprises:
Receive the RFC2833 message that described MGW sends, wherein said RFC2833 message comprises the key information of subscriber equipment;
According to the key information of described subscriber equipment, carry out network operation maintenance.
6. method as claimed in claim 5, is characterized in that, before the RFC2833 message sending at the described MGW of described reception, described method also comprises:
Send RFC2833 to described MGW and support message, described RFC2833 supports message for notify described BSC to support RFC2833 transmission mechanism to described MGW.
7. method as claimed in claim 6, is characterized in that, described, before described MGW transmission RFC2833 support message, described method also comprises:
Receive the RFC2833 message transfer that described MGW sends, described RFC2833 message transfer is for notifying described MGW to support described RFC2833 transmission mechanism to described BSC.
8. a media gateway MGW, is characterized in that, described MGW supports RFC2833 transmission mechanism, and the A interface Internet protocol IPization of described MGW and base station sub-system BSS, and described MGW comprises:
Receiving element, the dual tone multi-frequency dtmf signal sending for receiving subscriber equipment, described dtmf signal comprises the key information of described subscriber equipment;
Control unit, for described dtmf signal is converted to RFC2833 message, described RFC2833 message comprises the key information of described subscriber equipment;
Transmitting element, for sending described RFC2833 message to the base station controller BSC of described BSS.
9. MGW as claimed in claim 8, is characterized in that,
Described control unit, also for determining whether described BSC supports described RFC2833 transmission mechanism;
Described transmitting element, specifically in the situation that described control unit determines that described BSC supports described RFC2833 transmission mechanism, sends described RFC2833 message to described BSC.
10. MGW as claimed in claim 9, is characterized in that,
Described receiving element, the RFC2833 support message also sending for receiving described BSC;
Described control unit, the in the situation that of supporting message, determines that described BSC supports described RFC2833 transmission mechanism specifically for receive described RFC2833 at described receiving element.
11. MGW as claimed in claim 10, is characterized in that,
Described transmitting element, also for sending RFC2833 message transfer to described BSC, supports message so that described BSC sends RFC2833 to described MGW in the situation that receiving described RFC2833 message transfer.
12. 1 kinds of base station controller BSC, is characterized in that, described BSC supports RFC2833 transmission mechanism, and base station sub-system BSS and the A interface IPization of media gateway MGW under described BSC, described MGW support RFC2833 transmission mechanism, and described BSC comprises:
Receiving element, the RFC2833 message sending for receiving described MGW, described RFC2833 message comprises the key information of subscriber equipment;
Control unit, for according to the key information of described subscriber equipment, carries out network operation maintenance.
13. BSC as claimed in claim 12, is characterized in that, described BSC also comprises:
Transmitting element, supports message for sending RFC2833 to described MGW, and described RFC2833 supports message for notify described BSC to support RFC2833 transmission mechanism to described MGW.
14. BSC as claimed in claim 13, is characterized in that,
Described receiving element, the RFC2833 message transfer also sending for receiving described MGW, described RFC2833 message transfer is for notifying described MGW to support described RFC2833 transmission mechanism to described BSC.
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