CN102143147A - Multi-control protocol association method and multi-control protocol association device for interworking IMS network and 2G/3G network - Google Patents
Multi-control protocol association method and multi-control protocol association device for interworking IMS network and 2G/3G network Download PDFInfo
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Abstract
The embodiment discloses a multi-control protocol association method and a multi-control protocol association device for interworking an IMS network and a 2G/3G network. The multi-control protocol association method comprises the following step: the H248/MEGACO (media gateway control protocol) protocol flow, the BICC (bearer independent call control protocol) protocol flow and the SIP message flow respectively corresponding to a CDR (central data recording) record in a CDR (central data recording) information list for an Mj interface with same IP (internet protocol) address and port number, a CDR record in a CDR information list for an Mg interface, a CDR record in a CDR information list for an Mn interface and CDR records in a CDR information list for an interface between an IMS-MGW network and a CS (communication satellite) network and an interface between an MGCF (media gateway control function) network and the CS network are associated as an identical flow, so that the protocol flows passing through two terminals of the CDR record associated network achieve multi-protocol automatic association, thereby effectively improving the operating efficiency.
Description
Technical field
The present invention relates to communication network areas, more particularly, relate to many control protocols correlating method and device that a kind of IMS network and 2G/3G network interworking are called out.
Background technology
IMS (IP Multimedia Subsystem), IP Multimedia System is a whole world, inserts the professional hierarchy of control of independent and measured IP tunnel.Say that in essence IMS is a kind of network configuration, because it supports the fixing access that inserts and move simultaneously, thereby feasible terminal use based on the general the Internet agreement uses dissimilar multimedia services to become possibility, IMS has not only introduced Multimedia session control at packet-switched domain, it has also realized circuit-switching function at packet-switched domain simultaneously, and IMS is the key technology that fixed network and mobile network can be merged.
As shown in Figure 1, as IMS network and 2G/3G mobile network's CS (Circuit Switching) when circuit domain interconnects, the entity of MGCF in the IMS network (Media Gateway Control Function) MGCF becomes the agreement transit point of two networks, between two networks, carry out the conversion and the forwarding of agreement, and the foundation of the media plane link of two networks of control IMS-MGW entity realization and the parameter negotiation of intercommunication medium.IMS-MGW provides the user plane link between 2G3G network C S territory and the IMS, and it stops the Media Stream from the CS network, carries out the conversion between these terminals and carries out code conversion and signal processing for user plane when needed
Agreement flow process and Media Stream flow process when calling out in order to analyze IMS network and 2G/3G mobile network intercommunication, the demands such as reason that the location intercommunication goes wrong when calling out, need detect IMS network and 2G/3G mobile network intercommunication calling, in the prior art, the method that is adopted is to use existing IMS network monitor analytical system and 2G3G mobile network monitoring analysis system that IMS network and 2G/3G mobile network intercommunication calling are detected respectively.
Because IMS network monitor analytical system and 2G/3G network monitor analytical system are separate not contacts, like this when monitoring analysis IMS and CS territory intercommunication calling, can't realize in the IMS of same call flow process and employed auto-associating in the CS territory as various control protocols such as SIP, BICC and H248/MEGACO, so IMS network monitor analytical system must manually be finished with the related of 2G/3G network monitor analytical system, this mode not only operation easier is very big, and efficient is lower.
Summary of the invention
In view of this, many control protocols correlating method and device that the embodiment of the invention provides a kind of IMS network and 2G/3G network interworking to call out, the operation easier that exists with the solution prior art is very big, and the lower problem of efficient.
The embodiment of the invention is achieved in that
Many control protocols correlating method that a kind of IMS network and 2G/3G network interworking are called out comprises step:
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Extract the CDR information that includes IP address and port numbers in the IMS network in the Mn in the packet of H248/MEGACO agreement flow process, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added default Mn CDR information list;
Extract the IP address and the port number information of the packet of Media Stream flow process in the interface between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking;
Extract the IP address and the port number information of the packet of Bearer Independent Call Control Protocol flow process in the interface between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
Cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that will have in the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
Preferably, in embodiments of the present invention, the CDR information in described Mj CDR information list and the Mg CDR information list includes, and field is the sip message process identification of Call_id; Field is the sip request message method name of Method; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers;
Cdr logging in the described Mn CDR information list comprise field is the sign of terminal node association in the H248/MEGACO agreement in the Mn of Context, field is Term_ids H248 agreement set up the Termination ID that uses in the media session, field as the things ID in the H248 protocol data bag of Tran_id and field the IP address and the port number field of transmission RTP media data packet during as the medium conversation of Rtp_IpPort_n, the numbering of described n when being a plurality of when IP address and port numbers;
CDR information in the interface CDR information list between described IMS-MGW and the CS networking comprises that field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers;
CDR information in the interface CDR information list between MGCF and the CS networking comprises that field is the call instance identification code of the Bearer Independent Call Control Protocol message of CIC; Field is the Original Signaling Point sign indicating number of the transmission BICC message of OPC; Field is the target signaling point code of the transmission BICC message of DPC; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification in the calling procedure of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers.
Preferably, in embodiments of the present invention, include the IP address and the port number information of media flow transmission in the described extraction IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and, specifically comprise step with the default Mj CDR information list of this cdr logging adding:
S11, extract in the IMS network in the Mj in the sip message flow data bag Call_id information and include the IP address of media flow transmission and the CDR information of port number information;
S12, search whether corresponding cdr logging is arranged in the Mj CDR information list; If have then enter step S13; If no, then be the cdr logging that this sip message flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S13, described sip message flow data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
Preferably, in embodiments of the present invention, include the IP address and the port number information of media flow transmission in the described extraction IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and, specifically comprise step with the default Mg CDR information list of this cdr logging adding:
S21, extract in the IMS network in the Mg in the sip message flow data bag Call_id information and include the IP address of media flow transmission and the CDR information of port number information;
S22, search whether corresponding cdr logging is arranged in the Mg CDR information list; If have then enter step S23; If no, then be the cdr logging that this sip message flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S23, described sip message flow data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
Preferably, in embodiments of the present invention, include the IP address of media flow transmission and the CDR information of port numbers in the packet of H248/MEGACO agreement flow process in the Mn in the described extraction IMS network, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and, specifically comprise step with the default Mn CDR information list of this cdr logging adding:
S31, extract in the IMS network in the Mn in the packet of H248/MEGACO agreement flow process Tran_id information, Context and include the IP address of media flow transmission and the CDR information of port number information;
S32, judge whether described packet is request message, if then enter step S33, if not, then utilize the Tran_id information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Tran_id information inserted Tran_id field in this cdr logging, the flow process under this packet is related with this cdr logging;
S33, judge whether described message has effective Context, if do not have then enter step S34, if, then utilize the Context information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Context information inserted Context field in this cdr logging, the flow process under this packet is related with this cdr logging;
The Term_ids information that S34, utilization are extracted in CDR information is searched corresponding M n interface CDR information list record in Mn CDR information list, if can find then enter step S35, if do not find, in the Mn CDR information list of H248 agreement CDR flow process, create a new cdr logging, and in cdr logging, add the Term_ids field;
S35, described Term_ids information is inserted this Term_ids field, the flow process under the described packet is related with this cdr logging.
Preferably, in embodiments of the present invention, the IP address and the port number information of the packet of Media Stream flow process in the interface between described extraction IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and IMS-MGW that this cdr logging adding is default and the interface CDR information list between the CS networking, be specially;
The IP address and the port number information of the packet of Media Stream flow process in the interface between S41, extraction IMS-MGW and the CS networking;
S42, judge that whether described media stream data bag is RTCP message, if not, enters step S43; If subtract 1 by the port numbers that will extract and enter step S43 after upgrading IP address and port numbers;
Whether S43, the interface CDR information list of searching between IMS-MGW and the CS networking have corresponding cdr logging; If have then enter step S34; If no, then be the cdr logging that media stream data bag flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S44, described media stream data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
Preferably, in embodiments of the present invention, the IP address and the port number information that comprise the packet of medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between described extraction MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and MGCF that this cdr logging adding is default and the interface CDR information list between the CS networking, specifically comprise:
The packet IP address and port number information and the CIC information that comprise medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between S51, extraction MGCF and the CS networking are extracted OPC and DPC information from the M3UA that carries this Bearer Independent Call Control Protocol flow process;
S52, the interface CDR information list of searching between MGCF and the CS networking do not have and described CIC, OPC and the corresponding cdr logging of DPC information; If have then enter step S53; If no, then be the cdr logging that described Bearer Independent Call Control Protocol flow process is created a new correspondence, and be this cdr logging adding field CIC, OPC, DPC and Rtp_IpPort_1 and Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in CIC, OPC, DPC information and IP address and port numbers;
S53, the Bearer Independent Call Control Protocol flow process under the described packet that comprises medium stream information is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
Preferably, in embodiments of the present invention, the agreement flow process and the Media Stream flow process of cdr logging, the cdr logging in the described Mb CDR information list and the cdr logging in the interface CDR information list between described IMS-MGW and the CS networking in the described described Mn CDR information list that will have identical IP address and a port numbers are associated as same flow process, and concrete steps comprise:
Extract IP address and port number information in the Mn CDR information list;
Search in interface CDR information list between described Mj CDR information list, Mj CDR information list, IMS-MGW and CS networking and the interface CDR information list between MGCF and the CS networking respectively have with Mn CDR information list in identical ip addresses and the field Rtp_IpPort_1 of port number information and the cdr logging of field Rtp_IpPort_2;
To have interface CDR information list between the described Mj CDR information list of identical IP address and port numbers, described Mj CDR information list, described IMS-MGW and the CS networking and the pairing separately flow process of cdr logging in the interface CDR information list between MGCF and the CS networking and be associated as same flow process.
The Media Stream associated apparatus that the embodiment of the invention also provides a kind of IMS network and 2G/3G network interworking to call out comprises:
Mj CDR information list generation module, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Mg CDR information list generation module, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Mn CDR information list generation module, be used for extracting in the packet of H248/MEGACO agreement flow process in the IMS network Mn and include the IP address of media flow transmission and the CDR information of port numbers, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added default Mn CDR information list;
Interface CDR information list generation module between IMS-MGW and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Media Stream flow process between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking;
Interface CDR information list generation module between MGCF and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Bearer Independent Call Control Protocol flow process between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
Relating module, the cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that are used for having the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
From above-mentioned technical scheme as can be seen, because same intercommunication call flow is when crossing over IMS network and 2G/3G network, the IP address that is comprised in the medium stream information in the flow process of the various protocols of its use is identical with port numbers, the embodiment of the invention is a keyword with IP address and port numbers, by making H248/MEGACO agreement flow process in the Mn in the cdr logging that includes IP address and port numbers and the corresponding IMS network respectively, Media Stream flow process in Mj and the Mg, the Media Stream flow process is associated in the interface between interface between MGCF and the CS networking and IMS-MGW and the CS networking, thereby IMS network and 2G/3G mobile network intercommunication are being called out when detecting, can be with the cdr logging that has in the Mn CDR information list of identical IP address and port numbers, cdr logging in the Mj CDR information list, cdr logging in the Mg CDR information list, cdr logging in the interface CDR information list between MGCF and the CS networking and pairing separately agreement flow process of cdr logging and the Media Stream flow process in the interface CDR information list between IMS-MGW and the CS networking are associated as same flow process.
Because the IMS network monitor analytical system in the embodiment of the invention can be finished automatically with the related of 2G/3G network monitor analytical system, thus operation easier reduced, and improved efficient.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a schematic network structure in the prior art;
Fig. 2 is the schematic flow sheet of method described in the embodiment of the invention;
Fig. 3 is the schematic diagram of cdr logging in Mj described in the embodiment of the invention and the Mg CDR information list;
Fig. 4 is the schematic diagram of cdr logging in the CDR information list in the Mn CDR information list in the embodiment of the invention;
Fig. 5 is the schematic diagram of cdr logging in the CDR information list in the interface CDR information list between IMS-MGW and the CS networking in the embodiment of the invention;
Fig. 6 is the schematic diagram of cdr logging in the CDR information list in the interface CDR information list between MGCF and the CS networking in the embodiment of the invention;
Fig. 7 is the schematic flow sheet of another described method in the embodiment of the invention;
Fig. 8 is the schematic flow sheet of another described method in the embodiment of the invention;
Fig. 9 is the schematic flow sheet of another described method in the embodiment of the invention;
Figure 10 is the schematic flow sheet of another described method in the embodiment of the invention;
The structural representation of Figure 11 for installing described in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In order better to understand the technical scheme in the embodiment of the invention, now some english abbreviation technical terms of using in the embodiment of the invention are done relevant translation and explanation, specific as follows:
IMS, IP Multimedia System (IP Multimedia Subsystem);
CS, circuit switching (Circuit Switching);
CDR, call detail record (Call Detail Record);
MGCF, MGCF (Media Gateway Control Function);
IMS-MGW, IMS media gateway (IMS-Media Gateway);
RTP, real time transport protocol (Real-time Transport Protocol);
RTCP, RTP Control Protocol (RTP Control Protocol);
H248/MEGACO, MGCP (Media Gateway Control Protocol);
SIP, SIP (Session Initiation Protocol);
SDP, Session Description Protocol (Session Description Protocol);
BICC, the call control protocol of bearer independent (Bearer Independent Call Controlprotocol);
CIC, the Call Instance Code of Bearer Independent Call Control Protocol (Call Instance Code);
OPC, OPC Origination Point Code (The originating point code);
DPC, Destination Point Code (The destination point code);
Mj connects MGCF and BGCF entity, and interface protocol is SIP;
Mg connects S/I-CSCF and MGCF entity, and interface protocol is SIP;
Mn connects MGCF and IMS-MGW entity, and interface protocol is H248/MEGACO;
Interface between MGCF and the 2G3G CS territory, interface protocol is BICC.
Very big in order to solve the operation easier that prior art exists, and the lower problem of efficient, many control protocols correlating method that the embodiment of the invention provides a kind of IMS network and 2G/3G network interworking to call out as shown in Figure 2, comprises step:
S1, at first,
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and will add default Mg CDR information list;
Because in the packet of the related flow process that IMS network and 2G/3G network interworking are called out, IP address and port number information that it comprises are identical, that is to say, IP address that comprises in the flow process in the IMS network and port number information are after being transformed into the 2G/3G network, included IP address and the port number information of corresponding flow process is constant in the 2G/3G network, so, in embodiments of the present invention, related in order to cross over the IMS network with the variety of protocol that same call used of 2G/3G network, adopted and extracted included IP address and port number information in the stream media information that is transmitted in the agreement that is used in IMS network and the 2G/3G network respectively, thus can be by identifying different flow processs with IP address and port numbers.Concrete mode is, the IP address and the port number information of media flow transmission will be included in the sip message flow data bag in Mj and the Mg, add in the cdr logging corresponding in Mj CDR information list or the Mg CDR information list, thereby finish the related of cdr logging in this sip message flow process and Mj CDR information list and the Mg CDR information list.
In embodiments of the present invention, what described default Mj CDR information list and Mg CDR information list were concrete can be as shown in Figure 3, and every record comprises that field is the sip message process identification of Call_id; Field is the sip request message method name of Method; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers.
Like this, can the sip message flow process that include medium stream information of each IMS network and 2G/3G network interworking calling can be associated with the IP address and the port number information of corresponding cdr logging in the CDR information list that is recorded in Mj and Mg by analysis and the Mj of the sip message flow process that includes medium stream information of each IMS network and 2G/3G network interworking calling or the CDR information of Mj.
S2, then, extract in the IMS network and include the IP address of media flow transmission and the CDR information of port numbers in the packet of H248/MEGACO agreement flow process in the Mn, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added Mn CDR information list;
H248/MEGACO protocol data bag in the Mn in the analysis IMS network, CDR information according to IP address that includes media flow transmission and port numbers is set up cdr logging, add corresponding position in the Mn CDR information list, thereby finish the related of flow process and Mn CDR information list under this packet.
In embodiments of the present invention, what described default Mn CDR information list was concrete can be as shown in Figure 4, every record comprise field is the sign of terminal node association in the H248/MEGACO agreement in the Mn of Context, field is Term_ids H248 agreement set up the Termination ID that uses in the media session, field as the things ID in the H248 protocol data bag of Tran_id and field the IP address and the port number field of transmission RTP media data packet during as the medium conversation of Rtp_IpPort_n, the numbering of described n when being a plurality of when IP address and port numbers.
Like this, can be by analyzing the related Mn CDR information of Media Stream flow process of calling out with each IMS network and 2G/3G network interworking, can with the Media Stream flow process of each IMS network and 2G/3G network interworking calling be recorded in Mn CDR information list in the IP address and the port number information of corresponding cdr logging be associated.
S3, then, extract the IP address and the port number information of the packet of Media Stream flow process in the interface between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking.
In the embodiment of the invention, IP address and port number information by the packet of Media Stream flow process in the interface between IMS-MGW and the CS networking in the extraction IMS network identify this flow process with described IP address and port number information, then to play related effect; Specific practice is, with the IP address of extracting and port number information insert with this Media Stream flow process corresponding C DR record in, then this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking.
As shown in Figure 5, the CDR information in the interface CDR information list between described IMS-MGW and the CS networking comprises that field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers.
S4, then, extract the IP address and the port number information of the packet of Bearer Independent Call Control Protocol flow process in the interface between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
In finishing the IMS network in the Mn after H248/MEGACO agreement flow process and corresponding C DR record related, next, by extracting the IP address and the port number information of the packet of Bearer Independent Call Control Protocol flow process in the interface between MGCF and the CS networking, identify this flow process with described IP address and port number information then, to play related effect; Specific practice is, with the IP address of extracting and port number information insert with this Media Stream flow process corresponding C DR record in, then this cdr logging is added default MGCF and the interface CDR information list between the CS networking.
As shown in Figure 6, in embodiments of the present invention, the cdr logging in the interface CDR information list between described MGCF and the CS networking can comprise that field is the call instance identification code of the Bearer Independent Call Control Protocol message of CIC; Field is the Original Signaling Point sign indicating number of the transmission BICC message of OPC; Field is the target signaling point code of the transmission BICC message of DPC; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification in the calling procedure of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers.
S4, last, cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that will have in the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
Because in the packet of the related flow process that IMS network and 2G/3G network interworking are called out, IP address and port number information that it comprises are identical, that is to say, IP address that comprises in the flow process in the IMS network and port number information are after being transformed into the 2G/3G network, and included IP address and the port number information of corresponding flow process is constant in the 2G/3G network; So, can be by in the interface CDR information list and the interface CDR information list between MGCF and the CS networking between CDR information list, Mn CDR information list, IMS-MGW and the CS networking of searching Mj and Mg respectively, flow process with pairing variety of protocol of record of identical IP address and port numbers can associate the flow process that belongs to same call in IMS network and the 2G/3G network interworking calling.
In sum, because same intercommunication call flow is when crossing over IMS network and 2G/3G network, the IP address that is comprised in the medium stream information in the flow process of the various protocols of its use is identical with port numbers, the embodiment of the invention is a keyword with IP address and port numbers, by making H248/MEGACO agreement flow process in the Mn in the cdr logging that includes IP address and port numbers and the corresponding IMS network respectively, Media Stream flow process in Mj and the Mg, the Media Stream flow process is associated in the interface between interface between MGCF and the CS networking and IMS-MGW and the CS networking, thereby IMS network and 2G/3G mobile network intercommunication are being called out when detecting, can be with the cdr logging that has in the Mn CDR information list of identical IP address and port numbers, cdr logging in the Mj CDR information list, cdr logging in the Mg CDR information list, cdr logging in the interface CDR information list between MGCF and the CS networking and pairing separately agreement flow process of cdr logging and the Media Stream flow process in the interface CDR information list between IMS-MGW and the CS networking are associated as same flow process.
Because the IMS network monitor analytical system in the embodiment of the invention can be finished automatically with the related of 2G/3G network monitor analytical system, thus operation easier reduced, and improved efficient.
As shown in Figure 7, in embodiments of the present invention, step in the foregoing description: extract the IP address and the port number information that include media flow transmission in the IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Specifically can comprise following substep:
S11, extract in the IMS network in the Mj and Mg in the sip message flow data bag Call_id information and include the IP address of media flow transmission and the CDR information of port number information;
In order to obtain in the IMS network the related of sip message flow process and cdr logging in the Mj and Mg, at first, extract including the IP address of media flow transmission and the CDR information of port number information in the sip message flow data bag in Mj and the Mg in the IMS network.
In actual applications, can also extract the Call_id information of extracting in the sip message flow data bag in the CDR information.
S12, search whether corresponding cdr logging is arranged in Mj CDR information list and the Mg CDR information list; If have then enter step S13; If no, then be the cdr logging that this sip message flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
In embodiments of the present invention, can be the keyword search cdr logging with IP address and the port number information that includes media flow transmission in the sip message flow data bag by in Mj CDR information list and Mg CDR information list.
In addition, Call_id information in also can this sip message flow data bag is the cdr logging of keyword search correspondence, detailed process can be, the Call_id information that utilization is extracted in CDR information is searched the record in corresponding M j interface CDR information list and the Mg CDR information list in Mj CDR information list and Mg CDR information list, if can find then enter step S15, if do not find, in the Mj CDR information list of sip message flow process and Mg CDR information list, create a new cdr logging, and in this cdr logging, add field Call_id and field Rtp_IpPort_1 and field Rtp_IpPort_2.
S13, described sip message flow data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
As shown in Figure 8, in embodiments of the present invention, described step: extract in the IMS network and include the IP address of media flow transmission and the CDR information of port numbers in the packet of H248/MEGACO agreement flow process in the Mn, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and, specifically can comprise following substep with the default Mn CDR information list of this cdr logging adding:
S21, extract in the IMS network in the Mn in the packet of H248/MEGACO agreement flow process Tran_id information, Context information and include the IP address of media flow transmission and the CDR information of port number information;
In order to obtain in the IMS network the related of H248/MEGACO agreement flow process and cdr logging in the Mn, at first, will include the IP address of media flow transmission in the H248/MEGACO agreement flow data bag in the Mn in the IMS network and the CDR information of port number information extracts.
S22, judge whether described packet is request message, if then enter step S23, if not, then utilize the Tran_id information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Tran_id information inserted Tran_id field in this cdr logging, the flow process under this packet is related with this cdr logging;
Because having only request message is initial message, need follow-up Context to judge and corresponding operation, if not request message, just have corresponding C DR record, only need to utilize the Tran_id information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Tran_id information inserted Tran_id field in this cdr logging, can the flow process under this packet is related with this cdr logging.
S23, judge whether described message has effective Context, if do not have then enter step S24, if, then utilize the Context information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Context information inserted Context field in this cdr logging, the flow process under this packet is related with this cdr logging;
The Term_ids information that S24, utilization are extracted in CDR information is searched corresponding M n interface CDR information list record in Mn CDR information list, if can find then enter step S25, if do not find, in the Mn CDR information list of H248 agreement CDR flow process, create a new cdr logging, and in cdr logging, add the Term_ids field;
S25, described Term_ids information is inserted this Term_ids field, the flow process under the described packet is related with this cdr logging.
To step S25, flow process and this cdr logging of setting up under a new cdr logging and the described packet for request message associate by step S23.
As shown in Figure 9, in embodiments of the present invention, the IP address and the port number information of the packet of Media Stream flow process in the interface between described extraction IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and IMS-MGW that this cdr logging adding is default and the interface CDR information list between the CS networking, specifically can may further comprise the steps;
The IP address and the port number information of the packet of Media Stream flow process in the interface between S31, extraction IMS-MGW and the CS networking;
Can flow the IP address and the port numbers of flow process by identification medium by extracting, thus can identification process.
S32, judge that whether described media stream data bag is RTCP message, if not, enters step S33; If subtract 1 by the port numbers that will extract and enter step S33 after upgrading IP address and port numbers;
Owing in same call, compare with the port numbers of TCP message, it is big by 1 that the numeral of the port numbers in the RTCP message is always wanted, so, when the media stream data bag is RTCP message, its port numbers need be subtracted 1.
Whether S33, the interface CDR information list of searching between IMS-MGW and the CS networking have corresponding cdr logging; If have then enter step S34; If no, then be the cdr logging that media stream data bag flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
For fear of the cdr logging that repeats, in embodiments of the present invention, before creating media stream data bag flow process, to judge earlier whether this media stream data bag flow process has set up cdr logging.
S34, described media stream data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
By described media stream data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2, thereby can search corresponding C DR record and identify this Media Stream flow process by the IP address and the port numbers of Media Stream flow process.
As shown in figure 10, in embodiments of the present invention, described step: the IP address and the port number information that comprise the packet of medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between extraction MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and MGCF that this cdr logging adding is default and the interface CDR information list between the CS networking, specifically can comprise following substep:
The packet IP address and port number information and the CIC information that comprise medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between S41, extraction MGCF and the CS networking are extracted OPC and DPC information from the M3UA that carries this Bearer Independent Call Control Protocol flow process;
Whether S42, the interface CDR information list of searching between MGCF and the CS networking have and described CIC, OPC and the corresponding cdr logging of DPC information; If have then enter step S43; If no, then be the cdr logging that described Bearer Independent Call Control Protocol flow process is created a new correspondence, and be this cdr logging adding field CIC, OPC, DPC and Rtp_IpPort_1 and Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in CIC, OPC, DPC information and IP address and port numbers;
S43, the Bearer Independent Call Control Protocol flow process under the described packet that comprises medium stream information is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
In addition, the Media Stream associated apparatus that the embodiment of the invention also provides a kind of IMS network and 2G/3G network interworking to call out as shown in figure 11, comprising:
Mj CDR information list generation module, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Mg CDR information list generation module, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Mn CDR information list generation module, be used for extracting in the packet of H248/MEGACO agreement flow process in the IMS network Mn and include the IP address of media flow transmission and the CDR information of port numbers, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added default Mn CDR information list;
Interface CDR information list generation module between IMS-MGW and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Media Stream flow process between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking;
Interface CDR information list generation module between MGCF and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Bearer Independent Call Control Protocol flow process between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
Relating module, the cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that are used for having the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
In the embodiment of the invention, method basically identical among the specific implementation of each module in many control protocols associated apparatus that described IMS network and 2G/3G network interworking are called out and the embodiment shown in Figure 2 does not repeat them here.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. many control protocols correlating method of calling out of IMS network and 2G/3G network interworking is characterized in that, comprises step:
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Extract the IP address and the port number information that include media flow transmission in the IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Extract the CDR information that includes IP address and port numbers in the IMS network in the Mn in the packet of H248/MEGACO agreement flow process, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added default Mn CDR information list;
Extract the IP address and the port number information of the packet of Media Stream flow process in the interface between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking;
Extract the IP address and the port number information of the packet of Bearer Independent Call Control Protocol flow process in the interface between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
Cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that will have in the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
2. according to the described correlating method of claim 1, it is characterized in that,
CDR information in described Mj CDR information list and the Mg CDR information list includes, and field is the sip message process identification of Call_id; Field is the sip request message method name of Method; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers;
Cdr logging in the described Mn CDR information list comprise field is the sign of terminal node association in the H248/MEGACO agreement in the Mn of Context, field is Term_ids H248 agreement set up the Termination ID that uses in the media session, field as the things ID in the H248 protocol data bag of Tran_id and field the IP address and the port number field of transmission RTP media data packet during as the medium conversation of Rtp_IpPort_n, the numbering of described n when being a plurality of when IP address and port numbers;
CDR information in the interface CDR information list between described IMS-MGW and the CS networking comprises that field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers;
CDR information in the interface CDR information list between MGCF and the CS networking comprises that field is the call instance identification code of the Bearer Independent Call Control Protocol message of CIC; Field is the Original Signaling Point sign indicating number of the transmission BICC message of OPC; Field is the target signaling point code of the transmission BICC message of DPC; Field is the calling subscriber identification in the calling procedure of Caller; Field is the CSI called subscriber identification in the calling procedure of Calling; Field is the RTP address and the port numbers of the dial-up side of Rtp_IpPort_1; Field is the conversation called party's of Rtp_IpPort_2 RTP address and a port numbers.
3. according to the described correlating method of claim 2, it is characterized in that, include the IP address and the port number information of media flow transmission in the described extraction IMS network in the Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and, specifically comprise step with the default Mj CDR information list of this cdr logging adding:
S11, extract in the IMS network in the Mj in the sip message flow data bag Call_id information and include the IP address of media flow transmission and the CDR information of port number information;
S12, search whether corresponding cdr logging is arranged in the Mj CDR information list; If have then enter step S13; If no, then be the cdr logging that this sip message flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S13, described sip message flow data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
4. according to the described correlating method of claim 2, it is characterized in that, include the IP address and the port number information of media flow transmission in the described extraction IMS network in the Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and, specifically comprise step with the default Mg CDR information list of this cdr logging adding:
S21, extract in the IMS network in the Mg in the sip message flow data bag Call_id information and include the IP address of media flow transmission and the CDR information of port number information;
S22, search whether corresponding cdr logging is arranged in the Mg CDR information list; If have then enter step S23; If no, then be the cdr logging that this sip message flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S23, described sip message flow data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
5. according to the described correlating method of claim 2, it is characterized in that, include the IP address of media flow transmission and the CDR information of port numbers in the packet of H248/MEGACO agreement flow process in the Mn in the described extraction IMS network, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and, specifically comprise step with the default Mn CDR information list of this cdr logging adding:
S31, extract in the IMS network in the Mn in the packet of H248/MEGACO agreement flow process Tran_id information, Context information and include the IP address of media flow transmission and the CDR information of port number information;
S32, judge whether described packet is request message, if then enter step S33, if not, then utilize the Tran_id information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Tran_id information inserted Tran_id field in this cdr logging, the flow process under this packet is related with this cdr logging;
S33, judge whether described message has effective Context, if do not have then enter step S34, if, then utilize the Context information of in CDR information, extracting in Mn CDR information list, to search the cdr logging of flow process under the described packet, and described Context information inserted Context field in this cdr logging, the flow process under this packet is related with this cdr logging;
The Term_ids information that S34, utilization are extracted in CDR information is searched corresponding M n interface CDR information list record in Mn CDR information list, if can find then enter step S35, if do not find, in the Mn CDR information list of H248 agreement CDR flow process, create a new cdr logging, and in cdr logging, add the Term_ids field;
S35, described Term_ids information is inserted this Term_ids field, the flow process under the described packet is related with this cdr logging.
6. according to the described correlating method of claim 2, it is characterized in that, the IP address and the port number information of the packet of Media Stream flow process in the interface between described extraction IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and IMS-MGW that this cdr logging adding is default and the interface CDR information list between the CS networking, be specially;
The IP address and the port number information of the packet of Media Stream flow process in the interface between S41, extraction IMS-MGW and the CS networking;
S42, judge that whether described media stream data bag is RTCP message, if not, enters step S43; If subtract 1 by the port numbers that will extract and enter step S43 after upgrading IP address and port numbers;
Whether S43, the interface CDR information list of searching between IMS-MGW and the CS networking have corresponding cdr logging; If have then enter step S34; If no, then be the cdr logging that media stream data bag flow process is created a new correspondence, and be this cdr logging adding field Rtp_IpPort_1 and field Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in IP address and port numbers;
S44, described media stream data bag is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
7. according to the described correlating method of claim 2, it is characterized in that, the IP address and the port number information that comprise the packet of medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between described extraction MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and MGCF that this cdr logging adding is default and the interface CDR information list between the CS networking, specifically comprise:
The packet IP address and port number information and the CIC information that comprise medium stream information in the Bearer Independent Call Control Protocol flow process of the interface between S51, extraction MGCF and the CS networking are extracted OPC and DPC information from the M3UA that carries this Bearer Independent Call Control Protocol flow process;
S52, the interface CDR information list of searching between MGCF and the CS networking do not have and described CIC, OPC and the corresponding cdr logging of DPC information; If have then enter step S53; If no, then be the cdr logging that described Bearer Independent Call Control Protocol flow process is created a new correspondence, and be this cdr logging adding field CIC, OPC, DPC and Rtp_IpPort_1 and Rtp_IpPort_2; Corresponding field in the described cdr logging is inserted in CIC, OPC, DPC information and IP address and port numbers;
S53, the Bearer Independent Call Control Protocol flow process under the described packet that comprises medium stream information is related with the flow process of the cdr logging that comprises described field Rtp_IpPort_1 and field Rtp_IpPort_2.
8. the Media Stream associated apparatus called out of IMS network and 2G/3G network interworking is characterized in that, comprising:
Mj CDR information list generation module 1, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mj in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mj CDR information list;
Mg CDR information list generation module 2, be used for extracting IP address and the port number information that includes media flow transmission in the IMS network Mg in the sip message flow data bag, set up and this sip message flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default Mg CDR information list;
Mn CDR information list generation module 3, be used for extracting in the packet of H248/MEGACO agreement flow process in the IMS network Mn and include the IP address of media flow transmission and the CDR information of port numbers, set up and this H248/MEGACO agreement flow process corresponding C DR record according to described CDR information, and this cdr logging is added default Mn CDR information list;
Interface CDR information list generation module 4 between IMS-MGW and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Media Stream flow process between IMS-MGW and the CS networking, set up and this Media Stream flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default IMS-MGW and the interface CDR information list between the CS networking;
Interface CDR information list generation module 5 between MGCF and the CS networking, be used for extracting the IP address and the port number information of the packet of the interface Bearer Independent Call Control Protocol flow process between MGCF and the CS networking, set up and this Bearer Independent Call Control Protocol flow process corresponding C DR record according to this IP address and port number information, and this cdr logging is added default MGCF and the interface CDR information list between the CS networking;
Relating module 6, the cdr logging, the cdr logging in the described Mg CDR information list, the interface CDR information list between cdr logging, described IMS-MGW and the CS networking in the described Mn CDR information list and the pairing separately H248/MEGACO agreement of cdr logging flow process, Bearer Independent Call Control Protocol flow process and the sip message flow process in the interface CDR information list between MGCF and the CS networking that are used for having the described Mj CDR information list of identical IP address and port numbers are associated as same flow process.
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| CN102546578A (en) * | 2010-12-28 | 2012-07-04 | 中国移动通信集团浙江有限公司 | Relevance method and system of protocol flow between IMS (IP multimedia subsystem) and 2G (the 2nd generation telecommunication) /3G (the 3rd generation telecommunication) network |
| CN102546578B (en) * | 2010-12-28 | 2015-02-04 | 中国移动通信集团浙江有限公司 | Relevance method and system of protocol flow between IMS (IP multimedia subsystem) and 2G (the 2nd generation telecommunication) /3G (the 3rd generation telecommunication) network |
| CN102710620A (en) * | 2012-05-21 | 2012-10-03 | 北京中创信测科技股份有限公司 | Correlation method of SIP call signaling process in IMS network and RTP/RTCP media stream |
| CN102710620B (en) * | 2012-05-21 | 2015-05-20 | 北京中创信测科技股份有限公司 | Correlation method of SIP call signaling process in IMS network and RTP/RTCP media stream |
| CN107317786A (en) * | 2016-04-26 | 2017-11-03 | 中国移动通信有限公司研究院 | A kind of method, device and the network element of forwarding conversation initiating protocol message |
| CN107317786B (en) * | 2016-04-26 | 2020-11-06 | 中国移动通信有限公司研究院 | Method, device and network element for forwarding session initiation protocol message |
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