WO2001045370B1 - Methods and systems for analyzing multi-protocol signaling message traffic in a mobile telecommunications network - Google Patents

Methods and systems for analyzing multi-protocol signaling message traffic in a mobile telecommunications network

Info

Publication number
WO2001045370B1
WO2001045370B1 PCT/US2000/033883 US0033883W WO0145370B1 WO 2001045370 B1 WO2001045370 B1 WO 2001045370B1 US 0033883 W US0033883 W US 0033883W WO 0145370 B1 WO0145370 B1 WO 0145370B1
Authority
WO
WIPO (PCT)
Prior art keywords
filter criteria
signaling message
lmm
signaling
message
Prior art date
Application number
PCT/US2000/033883
Other languages
French (fr)
Other versions
WO2001045370A1 (en
Inventor
Michael John Drum
Patrick Joseph Galizia
Original Assignee
Tekelec Us
Michael John Drum
Patrick Joseph Galizia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tekelec Us, Michael John Drum, Patrick Joseph Galizia filed Critical Tekelec Us
Priority to AU20997/01A priority Critical patent/AU2099701A/en
Priority to DE60033428T priority patent/DE60033428T2/en
Priority to EP00984368A priority patent/EP1240772B1/en
Publication of WO2001045370A1 publication Critical patent/WO2001045370A1/en
Publication of WO2001045370B1 publication Critical patent/WO2001045370B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/41—Billing record details, i.e. parameters, identifiers, structure of call data record [CDR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/44—Augmented, consolidated or itemized billing statement or bill presentation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/58—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on statistics of usage or network monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2254—Arrangements for supervision, monitoring or testing in networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0104—Augmented, consolidated or itemised billing statement, e.g. additional billing information, bill presentation, layout, format, e-mail, fax, printout, itemised bill per service or per account, cumulative billing, consolidated billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0152—General billing plans, rate plans, e.g. charge rates, numbering plans, rate centers, customer accounts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0164—Billing record, e.g. Call Data Record [CDR], Toll Ticket[TT], Automatic Message Accounting [AMA], Call Line Identifier [CLI], details, i.e. parameters, identifiers, structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0188—Network monitoring; statistics on usage on called/calling number

Abstract

A wireless communication network monitoring system for use in performing a user specified trace of signaling messages associated with a mobile call is disclosed. A central processing platform creates and distributes signaling message filter criteria information to a plurality of link monitoring modules (LMM). The filter criteria are asserted at a LMM and a matching signaling message is copied and subsequently transmitted to the central processing platform. Central processing platform receives the matching signaling message and uses information contained therein to create and distribute a second signaling message filter criteria. In such a manner, a call trace sequence is compiled and displayed. A billing subsystem is also disclosed and is adapted to generate a billing record based on information contained with one or more of the messages associated with the call trace sequence.

Claims

AMENDED CLAIMS[received by the International Bureau on 31 May 2001 (31.05.01); original claims 1, 28, 51-53, 56 and 57 amended; original claim 54 cancelled; remaining claims unchanged (8 pages)]
1. A method for performing an inter-parameter, multi-protocol trace of call signaling messages associated with a mobile communication in a wireless communication network, the method comprising:
(a) specifying one or more call trace criteria parameters;
(b) at a central processing platform;
(i) generating first link monitoring module (LMM) filter criteria based on the specified call trace criteria parameters;
(ii) transmitting the first LMM filter criteria to a plurality of LMM units connected to a plurality of different protocol interfaces via a data communication network;
(c) at each of the LMM units; (i) receiving the first LMM filter criteria from the data communication network; (ii) using the first LMM filter criteria to search for signaling messages observed by the LMM that match the first LMM filter criteria; (iii) in response to locating a signaling message that matches the first LMM filter criteria, transmitting a copy of the matching signaling message to the central processing platform via the data communication network; (d) at the central processing platform:
(i) receiving a copy of the matching signaling message; (ii) adding the matching signaling message to a call trace sequence; (iii) using information contained within the matching signaling message to create second LMM filter criteria, the second LMM filter criteria including information for -39-
inter-parameter correlation of different protocol signaling messages received on the different protocol interfaces; (iv) transmitting the second LMM filter criteria to the LMM units via the data communication network.
2. The method of claim 1 wherein the wireless communication network is a global system for mobile communication (GSM) wireless communication network.
3. The method of claim 1 wherein the wireless communication network is an interim standard 41 (IS-41 ) wireless communication network.
4. The method of claim 1 wherein the wireless communication network is a personal communication services (PCS) wireless communication network.
5. The method of claim 1 wherein receiving the first LMM filter criteria includes receiving criteria for locating a direct transfer application part (DTAP) message.
6. The method of claim 5 wherein using information contained within the signaling message to generate the second LMM filter criteria includes generating criteria for locating a base station system management application part (BSSMAP) protocol message.
7. The method of claim 1 wherein receiving the first LMM filter criteria includes receiving criteria for locating a mobile application part (MAP) message.
8. The method of claim 7 wherein using information within the matching signaling message to create the second LMM filter criteria includes generating criteria for locating a base station system management
(BSSMAP) message.
9. The method of claim 1 wherein using information within the matching signaling message to create the second LMM filter criteria includes using a called party telephone number.
10. The method of claim 1 wherein using information within the matching signaling message to create the second LMM filter criteria includes using a calling party telephone number. -40-
1 1. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a DTAP called number parameter.
12. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a signaling connection control part (SCCP) source local reference number (SLRN) parameter.
13. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using an SCCP destination local reference number (DLRN) parameter.
14. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a transaction capabilities application part (TCAP) transaction ID parameter.
15. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a mobile subscriber ISDN (MSISDN) parameter.
16. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using an IMSI parameter.
17. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a temporary mobile subscriber identifier (TMSI) parameter.
18. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a mobile ID parameter.
19. The method of claim 1 wherein using information contained within the matching signaling message to create the second LMM filter criteria includes using a portion of a called party telephone number. -41-
20. The method of claim 19 comprising using the second filter criteria to locate a subsequent address message (SAM) related to the matching signaling message.
21. The method of claim 1 comprising displaying the call trace sequence via a graphical user interface (GUI).
22. The method of claim 1 wherein specifying a call trace parameter includes obtaining user input information from a graphical user interface (GUI).
23. The method of claim 1 wherein locating a signaling message that matches the first LMM filter criteria includes requiring an exact match between a minimum number of core digits of the first LMM filter criteria and a parameter within the signaling message.
24. The method of claim 23 locating a signaling message that matches the first LMM filter criteria includes: (a) determining whether the first LMM filter criteria and a first signaling message both include a prefix; (b) in response to determining that the first LMM filter criteria and the first signaling message both include a prefix, comparing the prefixes; (c) in response to determining that the prefixes differ, determining that the first signaling message does not match the first LMM filter criteria.
25. The method of claim 23 wherein locating a signaling message that matches the first filter criteria includes: (a) determining whether the first LMM filter criteria and a first signaling message both include a suffix; (b) in response to determining that the first LMM filter criteria and the first signaling message both include a suffix, comparing the suffixes; (c) in response to determining that the suffixes differ, determining that the first signaling message does not match the first LMM filter criteria. -42-
26. The method of claim 1 comprising providing the call trace sequence of signaling messages to a billing process.
27. The method of claim 26 comprising generating a mobile call billing record based on information contained within at least one of the signaling messages in the call trace sequence.
28. A monitoring system including a central processing platform and a plurality of link monitoring modules (LMM) for performing a user specified inter-parameter, multi-protocol trace of call signaling messages associated with a mobile communication in a wireless communication network, the system comprising:
(a) a central processing platform adapted to generate signaling message filter criteria including information for inter-parameter correlation of different protocol signaling messages received on different protocol signaling links based on signaling message information extracted from a mobile call signaling message; and
(b) a plurality of link monitoring modules for monitoring a plurality of different protocol signaling links, receiving the signaling message filter criteria from the central processing platform, identifying a monitored signaling message that matches the signaling message filter criteria, and transmitting a copy of the matching signaling message to the central processing platform.
29. The monitoring system of claim 28 wherein the central processing platform includes a UNIX-based workstation.
30. The monitoring system of claim 28 wherein the central processing platform includes a graphical user interface (GUI) for receiving call trace request information from a user and for displaying call trace sequence information to the user.
31. The monitoring system of claim 28 wherein the central processing platform includes a correlator process adapted to receive the signaling message information form the LMM unit and subsequently create the signaling message filter criteria. -43-
32. The monitoring system of ciaim 31 wherein the correlator process includes a filter manager process adapted to distribute the signaling message filter criteria information to one or more LMM units.
33. The monitoring system of claim 32 wherein the filter manager process is adapted to distribute a specific signaling message filter criteria to only those LMM units monitoring signaling links carrying signaling messages formatted in a specified signaling protocol.
34. The monitoring system of claim 33 wherein the central processing platform is adapted to generate direct transfer application part (DTAP) filter criteria.
35. The monitoring system of claim 33 wherein the central processing platform is adapted to generate base station system management application part (BSSMAP) filter criteria.
36. The monitoring system of claim 33 wherein the central processing platform is adapted to generate mobile application part (MAP) filter criteria.
37. The monitoring system of claim 33 wherein the central processing platform is adapted to generate ISDN user part (ISUP) filter criteria.
38. The monitoring system of claim 34 wherein the central processing platform is adapted to generate the DTAP filter criteria based on commands received from a user.
39. The monitoring system of claim 35 wherein the central processing platform is adapted to generate the BSSMAP filter criteria based on parameters in a received DTAP message.
40. The monitoring system of claim 36 where the central processing platform is adapted to generate the MAP filter criteria based on parameters in a received DTAP message.
41 . The monitoring system of claim 37 wherein the central processing platform is adapted to generate the ISUP filter criteria based on parameters in a received DTAP message.
42. The monitoring system of claim 28 wherein the LMM unit includes a message buffer for storing monitored signaling messages. -44-
43. The monitoring system of ciaim 42 wherein the message buffer is implemented in one or more blocks of high-speed random access memory.
44. The monitoring system of claim 42 wherein the LMM unit includes a filter assertion process that is adapted to receive the signaling message filter criteria from the central processing platform.
45. The monitoring system of claim 44 wherein the filter assertion process is adapted to examine the message buffer and identify a signaling message stored therein that matches the filter criteria.
46. The monitoring system of claim 45 wherein the message buffer is adapted to transmit a copy of the matching signaling message to the central processing platform.
47. The monitoring system of claim 28 wherein the central processing platform includes a billing subsystem.
48. The monitoring system of claim 47 wherein the billing subsystem includes a billing record generator process adapted to generate a billing record based on information contained within a sequence of related mobile call signaling messages.
49. The monitoring system of claim 48 wherein the billing subsystem includes a billing rate database adapted to maintain billing rules and communicatively coupled to the billing record generator process.
50. The monitoring system of claim 49 wherein a billing rule associates a billing rate with a signaling message parameter value or range of values.
51. A computer program product comprising computer-executable instructions embodied in a computer-readable medium for performing steps comprising:
(a) receiving a first call signaling message of a first protocol and associated with setup of a mobile telephone call; (b) generating, based on the first call signaling message, filter criteria for locating a plurality of different protocol signaling -45-
messages received on different protocol signaling links and associated with the setup of the mobile telephone call; and (c) downloading the filter criteria to a plurality of link monitoring modules coupled to a plurality of different protocol signaling links.
52. The computer program product of claim 51 wherein the first protocol is direct transfer application part (DTAP) and the downloaded filter criteria includes mobile application part (MAP) filter criteria.
53. The computer program product of claim 51 wherein the first protocol is mobile application part (MAP) and the downloaded filter criteria includes base station system management application protocol (BSSMAP) filter criteria.
54. Cancelled.
55. The computer program product of claim 51 wherein receiving the first call signaling message includes receiving the first call signaling message from a link monitoring module for monitoring mobile call signaling messages.
56. The computer program product of claim 52 wherein the downloaded filter criteria correlate a DTAP called number parameter with a MAP mobile subscriber ISDN (MSISDN) parameter.
57. The computer program product of claim 53 wherein the downloaded filter criteria correlate a MAP international mobile subscriber identification (IMSI) number with a BSSMAP mobile identification parameter.
-46-
STATEMENT UNDER ARTICLE 19(1 )
In response to the International Search Report mailed 6 April 2000, applicant has amended the claims to correspond to the U.S. Application as follows: claims 1 , 28, 51 , 52, 53, 56 and 57 have been amended, and claim 54 has been canceled.
PCT/US2000/033883 1999-12-15 2000-12-14 Methods and systems for analyzing multi-protocol signaling message traffic in a mobile telecommunications network WO2001045370A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU20997/01A AU2099701A (en) 1999-12-15 2000-12-14 Methods and systems for analyzing multi-protocol signaling message traffic in a mobile telecommunications network
DE60033428T DE60033428T2 (en) 1999-12-15 2000-12-14 METHOD AND SYSTEMS FOR TRAFFIC ANALYSIS OF MULTIPLE PROTOCOL SIGNALING MESSAGES IN A MOBILE TELECOMMUNICATIONS NETWORK
EP00984368A EP1240772B1 (en) 1999-12-15 2000-12-14 Methods and systems for analyzing multi-protocol signaling message traffic in a mobile telecommunications network

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US17100999P 1999-12-15 1999-12-15
US60/171,009 1999-12-15
US09/698,857 2000-10-27
US09/698,857 US6456845B1 (en) 1999-12-15 2000-10-27 Methods and systems for observing, analyzing and correlating multi-protocol signaling message traffic in a mobile telecommunications network

Publications (2)

Publication Number Publication Date
WO2001045370A1 WO2001045370A1 (en) 2001-06-21
WO2001045370B1 true WO2001045370B1 (en) 2001-11-22

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EP (1) EP1240772B1 (en)
AT (1) ATE354248T1 (en)
AU (1) AU2099701A (en)
DE (1) DE60033428T2 (en)
WO (1) WO2001045370A1 (en)

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