System for connecting applications to legacy and next generation networks

• US 8,375,144 B2
• Filed: 03/22/2011
• Issued: 02/12/2013
• Est. Priority Date: 03/22/2010
• Status: Active Grant

• Current Assignee: Metaswitch Networks Limited (Microsoft Corporation)
• Original Assignee: Metaswitch Networks Limited (Microsoft Corporation)
• Inventors: Bunch, James L., Miller, Craig W., Dubois, Gerald R., Alladi, Suryaram, Owen, Lindsey D.
• Primary Examiner(s): Luu, Le H
• Application Number:
  US13/069,053
• Publication Number:
  US 20110252154A1
• Time in Patent Office: 693 Days
• Field of Search: 709/246, 709/227, 709/228, 709/207, 709/230, 709/224, 370/338, 370/352, 370/469, 435/287.2, 455/405
• US Class Current: 709/246
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/103 in the network
• CPC Class Codes: H04L 65/104 in the network
• CPC Class Codes: H04L 65/1043 Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
• CPC Class Codes: H04L 65/1096 Supplementary features, e.g. call forwarding or call holding systems providing special services or facilities to telephony subscribers H04M3/42
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 65/1106 Call signalling protocols; H.323 and related
• CPC Class Codes: H04L 67/562 Brokering proxy services
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: H04M 3/4217 Managing service interactions
• CPC Class Codes: H04M 7/0012 Details of application programming interfaces [API] for telephone networks; Arrangements which combine a telephonic communication equipment and a computer, i.e. computer telephony integration [CPI] arrangements
• CPC Class Codes: H04M 7/126 Interworking of session control protocols

Abstract

A system is disclosed. The system includes a first network module communicatively coupled to a plurality of services associated with a first network utilizing a first protocol. The system also includes a second network module communicatively coupled to a plurality of services associated with a second network utilizing a second protocol, the second protocol being different than the first protocol. The system also includes a service determination module coupled to the first and second network modules, the service determination module operable to receive a request from the first network module to access at least one service from the plurality of services associated with the second network. The service determination module determines the at least one requested service and sends the request to the at least one requested service associated with the second network through the second network module utilizing the second protocol.

Claims

1. A system comprising:

a first network module communicatively coupled to a plurality of first applications associated with a first network utilizing a first network protocol;

a second network module communicatively coupled to a plurality of second applications associated with a second network utilizing a second network protocol, the second network protocol being different than the first network protocol;

a service determination module coupled to the first and second network modules, the service determination module operable to determine at least one application to be executed for a request, wherein the at least one application is selected from a group including the first applications and the second applications, the service determination module determining the at least one application to execute according to a service determination algorithm;

an orchestration module operable to convert at least one first message received by the first network module in the first network protocol into at least one corresponding second message in the second network protocol in order to allow access to the second applications via the first network protocol, the orchestration module operable to convert at least one second message received by the second network module in the second network protocol into at least one corresponding first message in the first network protocol in order to allow access to the first applications via the second network protocol, the orchestration module operable to convert messages according to an orchestration scheme, wherein the orchestration scheme is selected according to the first network protocol of the request and the second protocol of the at least one application; and

a media resource brokering module communicatively coupled to the first and second network modules, the media resource brokering module operable to determine from the request whether to send a second request to at least one of a plurality of media components to access at least one of media resources associated with the at least one application, the at least one media component being selected according to a media resource brokering algorithm.

2. The system of claim 1, wherein the first network protocol is a legacy network protocol and the second network protocol is a next generation protocol.

3. The system of claim 1, wherein the at least one application includes a first application and a second application, and wherein the service determination module determines both the first and the second application to execute.

4. The system of claim 1,

wherein the first network protocol is Intelligent Network Application Part (INAP) and the second network protocol is Session Initiation Protocol (SIP),

wherein the request is received from the second network and is an INVITE message that includes at least one of a Distinctive Uniform Resource Identifier (DURI), P-Asserted-Service header, P-Service Indication header, and dialed digits, and

wherein the service determination module determines the at least one application using at least one of the DURI, P-Asserted-Service header, P-Service Indication header, the dialed digits, and a dedicated SIP user agent.

5. The system of claim 1, wherein the first network protocol is Intelligent Network Application Part (INAP) and the second network protocol is Session Initiation Protocol (SIP),

wherein the request is received from the first network and the request is an INAP message that includes one of a subsystem number, service key, and dialed digits,

wherein the service determination module determines the at least one application using one of the subsystem number, service key, and dialed digits.

6. The system of claim 1, further comprising:

an API module operable to receive at least one API request according to an API, the API module operable to convert the API request into an internal common generic protocol for use by the orchestration module to convert the at least one API request into at least one first or at least one second network message.

7. The system of claim 1, wherein the second network protocol is one of Session Initiation Protocol (SIP), a SIP variant, H.323, Bearer Independent Call Control (BICC), and Diameter.

8. The system of claim 1, wherein the first network protocol is one of Advanced Intelligent Network (AIN), Intelligent Network Application Part (INAP), CAMEL Application Protocol (CAP), Wireless Intelligent Network (WIN), Transaction Capabilities Application Part (TCAP), Mobile Application Part (MAP), Integrated Serviced Digital Network User Part (ISUP), and Integrated Services Digital Network/Primary Rate Interface (ISDN/PRI).

9. The system of claim 1, wherein the first network protocol is one wherein the plurality of first applications and the plurality of second applications are selected from the group including Freephone, Local Number Portability, Calling Name, Premium Rate, Voice Virtual Private Network, Televoting, Wireless Prepaid, Calling Card, Color Ring Back Tone, Find Me/Follow Me, Privacy, Network IVR, Non-Geographic Numbers, Universal Access Number, Universal Personal Number, and Reverse Charging.

10. The system of claim 1, wherein the media resource brokering algorithm is one of Round-Robin, First-Available, Least-Recently-Used, Most-Recently-Used, and Most-Available-Capacity.

11. The system of claim 1, wherein the service determination algorithm is one of static chaining, dynamic chaining, and broadcasting.

12. The system of claim 1, wherein the orchestration scheme is defined in an XML-based scripting language.

13. A system comprising:

a first network module communicatively coupled to a plurality of first applications associated with a first network utilizing a first network protocol;

a second network module communicatively coupled to a plurality of second applications associated with a second network utilizing a second network protocol, the second network protocol being different than the first network protocol;

a service determination module coupled to the first and second network modules, the service determination module operable to determine at least one application to be executed for a request, wherein the at least one application is selected from a group including the first applications and the second applications;

an interworking module operable to convert at least one message received by the first network module in the first network protocol into at least one corresponding message in the second network protocol in order to allow access to the second applications via the first network protocol, the interworking module operable to convert at least one message received by the second network module in the second network protocol into at least one corresponding message in the first network protocol in order to allow access to the first applications via the second network protocol; and

a media resource brokering module communicatively coupled to the service determination module, the media resource brokering module operable to determine from the request whether to send a second request to at least one of a plurality of media components to access at least one media resource associated with the at least one application.

14. A method comprising:

receiving at least one first protocol message indicating a communication from a first network;

determining, by examining the at least one first protocol message, a first application to be executed for the communication, the application associated with a second network and a second protocol;

converting the at least one first protocol message into at least one second protocol message;

sending the at least one second protocol message to the first application via the second network;

receiving at least one second protocol response message from the first application via the second network;

determining whether the first application is associated with a media resource;

in response to determining that the first application requires a media resource, sending a request to at least one media component to access the media resource associated with the first application;

converting the at least one second protocol response message into at least one corresponding first protocol response message; and

sending the at least one first protocol response message to the first network.

15. The method of claim 14, further comprising:

receiving at least one additional first protocol message related to the communication from the first network;

converting the at least one additional first protocol message into at least one additional second protocol message;

sending the at least one additional second protocol message to the application;

receiving at least one additional second protocol response from the application;

converting the at least one additional second protocol response into at least one first protocol response; and

sending the at least one additional first protocol response to the first network.

16. The method of claim 14, wherein the first and second protocols are different, and wherein the first and second networks are different.

17. The method of claim 14, further comprising:

determining a second application to be executed for the communication, the second application associated with a third network and a third protocol.

18. The method of claim 17, further comprising:

receiving media associated with the communication in a first format from the first network;

converting the media in the first format to a second format associated with the at least one media component;

sending the converted media in the second format to the at least one media component;

receiving media associated with the communication from the at least one media component in the second format;

converting the media in the second format to first format; and

sending the converted media in the first format to the first network.

19. Apparatus comprising:

a first network module suitable for communicatively coupling to a plurality of services associated with a first network utilizing a first network protocol;

a second network module suitable for communicatively coupling to a plurality of services associated with a second network utilizing a second network protocol, the second network protocol being different than the first network protocol;

a service determination module coupled to the first and second network modules, the service determination module operable to receive a signaling request to access at least one service from one of the first or second network module, wherein the service determination module is operable to determine at least one requested service from the request and send the request to the at least one requested service via one of the first or second network modules; and

a media resource module communicatively coupled to the service determination module, the media resource module operable to determine from the request whether to send a second request via one of the first or second network modules to a media component to access media associated with the at least one requested service.

20. A system comprising:

a first network module communicatively coupled to a plurality of services associated with a first network utilizing a first network protocol;

a second network module communicatively coupled to a plurality of services associated with a second network utilizing a second network protocol, the second network protocol being different than the first network protocol;

a service determination module coupled to the first and second network modules, the service determination module operable to receive a signaling request to access at least one service from the plurality of services associated with the first and second networks, wherein the service determination module determines at least one requested service from the request and sends the request to the at least one requested service associated with one of the first and second networks; and

a media resource module communicatively coupled to the service determination module, the media resource module operable to determine from the request whether to send a second request to a media component to access media associated with the at least one requested service.

21. The system of claim 20,

wherein the first network protocol is Intelligent Network Application Part (INAP) and the second protocol is Session Initiation Protocol (SIP),

wherein the request is received from the second network and is an INVITE message that includes at least one of a Distinctive Uniform Resource Identifier (DURI), P-Asserted-Service header, P-Service Indication header, and dialed digits, and

wherein the service determination module determines the at least one requested service using one of the DURI, P-Asserted-Service header, P-Service Indication header, the dialed digits, and a dedicated SIP user agent, and

wherein sending the request includes sending the request to the at least one requested service that is associated with the first network.

22. The system of claim 20, wherein the first network protocol is Intelligent Network Application Part (INAP) and the second network protocol is Session Initiation Protocol (SIP),

wherein the request is received from the first network and the request is an INAP message that includes one of a subsystem number, service key, and dialed digits,

wherein the service determination module determines the at least one requested service using one of the subsystem number, service key, and dialed digits, and

wherein sending the request includes sending the request to the at least one requested service that is associated with the second network.

23. The system of claim 20, wherein the second network protocol is one of Session Initiation Protocol (SIP), a SIP variant, H.323, Bearer Independent Call Control (BICC), and Diameter, and

wherein the first network protocol is one of Advanced Intelligent Network (AIN), Intelligent Network Application Part (INAP), CAMEL Application Protocol (CAP), Wireless Intelligent Network (WIN), Transaction Capabilities Application Part (TCAP), Mobile Application Part (MAP), Integrated Serviced Digital Network User Part (ISUP), and Integrated Services Digital Network/Primary Rate Interface (ISDN/PRI).

24. A system comprising:

a first network module communicatively coupled to a plurality of services associated with a first network utilizing a first protocol;

a second network module communicatively coupled to a plurality of services associated with a second network utilizing a second protocol, the second protocol being different than the first protocol; and

a service determination module coupled to the first and second network modules, the service determination module operable to receive a request from the first network module to access at least one service from the plurality of services associated with the second network, wherein the service determination module determines the at least one requested service from the plurality of services associated with the second network and sends the request to the at least one requested service associated with the second network through the second network module utilizing the second protocol.

25. The system of claim 24, wherein the first network module emulates an Application Server (AS) and the second network module emulates a Service Switching Point (SSP), and

wherein the emulation of the first network module is determined based on the request, and

wherein the emulation of the first network module is determined based on the at least one requested service.

26. The system of claim 24, further comprising:

a media resource module communicatively coupled to the service determination module; and

at least one media component associated with the second network, the media resource module operable to send a second request to the at least one media component in order to access media associated with the at least one requested service,

wherein the first network module emulates an application server and the second network module emulates a service switching point when the request is sent to the at least one requested service associated with the second network and the second network module emulates a service resource function of the second network when the media resource module sends the second request to the at least one media component.

27. The system of claim 24, further comprising:

a media resource module communicatively coupled to the service determination module; and

at least one media component associated with the second network, the media resource module operable to send a second request to the at least one media component in order to access media associated with the at least one requested service,

wherein the first network module emulates a service control point and the second network module emulates one of a Session Initiation Protocol call server, softswitch, or Serving Call Session Control Function when the at least one requested service is associated with the second network and when the media resource module sends the second request to the at least one media component.

28. The system of claim 24, wherein the first network module emulates a Service Control Point and the second network module emulates a Service Switching Point,

wherein the emulation of the first network module is determined based on the request, and

wherein the emulation of the first network module is determined based on the at least one requested service.

29. The system of claim 24, further comprising

a media resource module communicatively coupled to the service determination module;

and

at least one media component associated with the second network, the media resource module operable to send a second request to the at least one media component in order to access media associated with the at least one requested service,

wherein the first network module emulates an Application Server and the second network module emulates Serving Call Session Control Function when the at least one requested service is associated with the second network and when the media resource module sends the second request to the at least one media component.

30. The system of claim 24, wherein the first network module emulates a first Application Server and the second network module emulates a second Application Server,

wherein the emulation of the first network module is determined based on the request, and

wherein the emulation of the first network module is determined based on the at least one requested service.

31. The system of claim 24, wherein the first protocol is an intelligent network signaling protocol and the request includes one of a subsystem number, service key, and dialed digits that is used by the service determination module to identify the at least one requested service.

32. The system of claim 24, wherein the service determination module is comprised of a service logic module based on Extensible Markup Language (XML) that is operable to determine the at least one service without programming changes to a resource associated with the first and second networks,

wherein the emulation of the first network module is determined based on the request, and

wherein the emulation of the first network module is determined based on the at least one requested service.

33. A method for use of a service broker positioned between a first network and a second network, the method comprising:

receiving a request from one of the first and second networks requesting at least one service from a plurality of services associated with one of the first and second networks, the first network utilizing a first protocol and the second network utilizing a second protocol that is different from the first protocol;

determining the at least one requested service from the plurality of services based on the request;

sending the request to the at least one requested service; and

determining from the request whether the at least one requested service has associated media and sending a second request to at least one of a plurality of media components associated with one of the first and second networks when the at least one requested service has associated media.

34. The method of claim 33, further comprising:

mapping the request to the second protocol when the request is received from the first network and sent to the at least one requested service associated with the second network; and

mapping the request to the first protocol when the request is received from the first network and sent to the at least one requested service associated with the first network.

35. The method of claim 33, further comprising:

monitoring a characteristic of each of the plurality of media components;

comparing the characteristic of each of the plurality of media components; and

sending the second request to at least one media component of the plurality of media components based on the comparison of the characteristic of each of the plurality of media components when the at least one requested service has associated media.

36. The method of claim 35, wherein the characteristic is one of central processor utilization, and digital signal processor utilization,

wherein the at least one media component has at least one feature, wherein each feature has a DSP unit cost and a CPU unit cost, and wherein the DSP cost and the CPU cost have a predetermined relationship.

37. The method of claim 33,

wherein the first protocol is Intelligent Network Application Part (INAP) and second protocol is a Session Initiation Protocol,

wherein receiving the request includes the request being received from the second network and the request is an INVITE message that includes at least one of a Distinctive Uniform Resource Identifier (DURI), P-Asserted-Service header, P-Service Indication header, and dialed digits,

wherein determining the at least one requested service from the plurality of services includes using at least one of the Distinctive URI, P-Asserted-Service header, P-Service Indication header, dialed digits, and a dedicated SIP user agent to determine that the at least one requested service is associated with the first network,

wherein sending the request includes sending the request to the at least one requested service that is associated with the first network.

39. The method of claim 33, wherein the first protocol is Intelligent Network Application Part (INAP) and second protocol is a Session Initiation Protocol,

wherein receiving the request includes the request being received from the first network and the request is an INAP message that includes one of a subsystem number, service key, and dialed digits,

wherein determining the at least one requested service from the plurality of services includes using one of the subsystem number, service key, and dialed digits to determine that the at least one requested service is associated with the second network,

wherein sending the request includes sending the request to the at least one requested service that is associated with the second network.

40. The method of claim 39, further comprising:

mapping the INAP message to Session Initiation Protocol prior to sending the request to the at least one requested service associated with the second network.

41. The method of claim 33, further comprising:

receiving a response to the request from the at least one requested service, wherein the at least one requested service is associated with the second network;

determining whether to send a third request to at least one other requested service associated with the first network based on the response, the at least one other requested service being different than the at least one service; and

sending the third request to the at least one other requested service associated with the first network.

42. The method of claim 33, wherein determining the at least one requested service includes determining two or more requested services and sending the request to the at least one requested service includes sending the request to two or more requested services.

38. The method of 37, further comprising:

mapping the INVITE message to INAP prior to sending the request to the at least one requested service associated with the first network.

43. A computer program product comprising a non-transitory computer-readable storage medium having computer readable instructions stored thereon, the computer readable instructions being executable by a computerized system to cause the computerized system to perform a method for connecting applications to networks, the computerized system, when executing the computer readable instructions, comprising software components including:

a first network module communicatively coupled to a plurality of first applications associated with a first network utilizing a first network protocol;

a second network module communicatively coupled to a plurality of second applications associated with a second network utilizing a second network protocol, the second network protocol being different than the first network protocol;

a service determination module coupled to the first and second network modules, the service determination module operable to determine at least one application to be executed for a request, wherein the at least one application is selected from a group including the first applications and the second applications, the service determination module determining the at least one application to execute according to a service determination algorithm;

an orchestration module operable to convert at least one first message received by the first network module in the first network protocol into at least one corresponding second message in the second network protocol in order to allow access to the second applications via the first network protocol, the orchestration module operable to convert at least one second message received by the second network module in the second network protocol into at least one corresponding first message in the first network protocol in order to allow access to the first applications via the second network protocol, the orchestration module operable to convert messages according to an orchestration scheme, wherein the orchestration scheme is selected according to the first network protocol of the request and the second protocol of the at least one application; and

a media resource brokering module communicatively coupled to the first and second network modules, the media resource brokering module operable to determine from the request whether to send a second request to at least one of a plurality of media components to access at least one of media resources associated with the at least one application, the at least one media component being selected according to a media resource brokering algorithm.