System and method for communications in a multi-platform environment

• US 8,442,506 B2
• Filed: 07/11/2005
• Issued: 05/14/2013
• Est. Priority Date: 07/23/2004
• Status: Active Grant

• Current Assignee: RadioNet Corporation
• Original Assignee: Gregory Peacock
• Inventors: Peacock, Gregory
• Primary Examiner(s): Vuong, Quochien B
• Application Number:
  US11/179,699
• Publication Number:
  US 20060019655A1
• Time in Patent Office: 2,864 Days
• Field of Search: 455/426.1, 455/552.1, 455/553.1, 455/554.1, 455/555, 455/560, 455/561, 455/517, 455/521, 455/416, 455/414.1, 455/518, 370/260, 370/261, 370/262, 370/263
• US Class Current: 455/416
• CPC Class Codes: H04L 65/1069 Session establishment or de-establishment
• CPC Class Codes: H04M 3/56 Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities video conference systems H04N7/15
• CPC Class Codes: H04M 7/006 Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42
• CPC Class Codes: H04W 92/02 Inter-networking arrangements

Abstract

A radio networking system includes at least a first communication port operable to facilitate communication between the radio networking system and a first communication platform. The system further includes at least a second communication port operable to facilitate communication between the radio networking system and a second communication platform. Additionally, a call control software module is operable to automatically and intelligently switch an incoming call from the first communication platform to the second communication platform which is controlled by a processor operable to execute the call control software module according to the information contained in a system configuration database. The call control software module further manages the configuration of call connections and conferencing services and supports real time user control of desired communication services.

Claims

1. A communications networking system comprising:

a push to talk radio interface through which communication with a plurality of push to talk radio devices travel via an external radio base station;

a network interface through which Voice Over internet Protocol (VOIP) communications with a plurality of VOIP devices travel and through which data communications with external devices travel;

a call control unit defining communication session parameters for the push to talk radio interface and the network interface, the call control unit operable to be controlled by a user of one of the VOIP devices such that the call control unit allows VOIP device users to simultaneously monitor communications from at least one network interface and at least one push to talk radio interface and select from at least one network interface and at least one push to talk radio interface to establish communication sessions with one or more other users;

a programmable signaling processor configured by a VOIP device user to establish communication sessions between the push to talk radio devices and the VOIP devices allowing for multiple push to talk devices and multiple VOIP devices to all communicate concurrently in a conference including enabling at least one of the users of one of the push to talk radio devices and/or at least one of the users of one of the VOIP devices to join the conference or initiate the conference;

the programmable signaling processor further configured to generate a mix of audio originating from a multiple of the push to talk radio devices as a single VOIP audio stream according to a mix selection specified by one of the VOIP device users;

wherein the communications networking system is configured to convert audio and signaling communications received over the push to talk radio interface and the network interface into a common format for use within the communications network system.

2. The communications networking system of claim 1 wherein the push to talk radio interface further comprises a programmable radio interface operable to receive audio and signaling communications in a plurality of formats including analog, digital, and VOIP.

3. The communications networking system of claim 1, further comprising at least one telephone communication interface operable to facilitate a communication session with a communicatively coupled telephone, private branch exchange or other telephone network, such that a device communicatively coupled to the communications network system via the telephone interface is operable to engage the call control unit and the signaling processor.

4. The communications networking system of claim 3 wherein the telephone communication interface further comprises a programmable telephone interface configurable to receive a telephone signal of a plurality of formats including analog and digital and further operable to convert the telephone signal into the common format for use within the communications network system.

5. The communications networking system of claim 1, wherein the programmable signaling processor and the network interface cooperate to facilitate a communication session with a communicatively coupled Voice Over internet Protocol radio base station, Voice Over internet Protocol telephone, Voice Over internet Protocol equipped computer and/or other Voice Over internet Protocol devices and/or networks such that a device communicatively coupled to the communications networking system may engage the call control unit and the programmable signaling processor.

6. The communications networking system of claim 5 further configured to receive Voice Over Internet Protocol communications from multiple sources, convert the Voice Over internet Protocol communications to the common format, and conference multiple VOIP device users including the ability for multiple networked communications terminals and VOIP device users to talk simultaneously.

7. The communications networking system of claim 1, further comprising an audio communication interface operable to facilitate a communication session with an audio device, including a headset or a microphone, such that an audio device communicatively coupled to the communications network system via the audio communication interface may engage the call control unit and the programmable signaling processor.

8. The communications networking system of claim 1, wherein the programmable signaling processor is further configured to encode, decode, buffer, mix and process audio signals transmitted through the communications networking system, including industry standard protocols for Voice over Internet Protocol, multimedia and P25 radio communications.

9. The communications networking system of claim 1, wherein the programmable signaling processor is further configured to transmit and receive tone signals and call progress signals for controlling signaling between devices connected to the communications networking system.

10. The communications networking system of claim 1, wherein the programmable signaling processor is further configured to provide echo cancellation for full duplex signals transmitted through the communications networking system.

11. The communications networking system of claim 1 wherein the call control state machine is further configured to switch data between the push to talk radio interface, the network interface, and the programmable signaling processor.

12. The communications networking system of claim 1 wherein the call control unit is further configured to cross-connect audio, multimedia, and signaling data between two or more push to talk radio interfaces and/or two or more network interfaces, such that the call control unit is configured to initiate and/or terminate a communication connection between the push to talk radio interfaces and the network interfaces, or to join or initiate a conference in response to receiving requests from at least one of the users of one of the push to talk radio devices and/or at least one of the users of one of the VOIP devices.

13. The communications networking system of claim 1 wherein the programmable signaling processor is further configured to support the conference including one or more of audio, multimedia, text, video and graphics data.

14. The communications networking system of claim 1 further configured to intelligently control push-to-talk signaling of radio base stations externally connected to the push to talk radio interface, such that the initial portion of a radio transmission is not lost due to Voice over Internet Protocol packetizing, network or voice detection delays.

15. The communications networking system of claim 1 further configured to compare received signal quality from a plurality of externally connected radio base stations and dynamically select a highest quality signal path for exclusive inclusion in a communication session.

16. The communications networking system of claim 1 further configured to record audio, multimedia data and statistics data from the conference and transmit the recorded audio and data to a Voice Over Internet Protocol networked recording device for archival storage.

17. The communications networking system of claim 1 further configured to route Voice over Internet Protocol calls based upon user inputs, including user dialed numbers, user controlled computer input, or Internet Protocol addressing.

18. The communications networking system of claim 1 further configured to route calls received on a specified radio channel to pre-determined destinations without requiring user dialed input to initiate the call session.

19. The communications networking system of claim 1 further configured to allow control via defined signaling protocols of communications devices communicatively coupled to the communications networking system.

20. The communications networking system of claim 19 further configured to exchange signaling and status information with externally connected radios, such that a system user may remotely control the configuration of a selected radio, including frequency, channel preset, modulation type, squelch and power settings.

21. The communications networking system of claim 19 further configured to conference IP audio streams originating from multiple gateway locations or multiple VOIP devices connected to the IP network.

22. The communications networking system of claim 19 further configured to allow a system user to exchange identification, configuration, capabilities, security, address and location information with external communication equipment and external networks.

23. The communications networking system of claim 19 further configured to allow a system user to establish an intercom communications session including push to talk radio devices or excluding push to talk radio devices.

24. The communications networking system of claim 19 further configured to support a SIP protocol including communicating SIP presence status of a system user call, wherein the SIP presence status includes called party busy, available, away, or available at a different location.

25. The communications networking system of claim 19 further configured to support a SIP protocol including communicating with networks and devices connected to the network interface, such that calls placed to a particular system user ring at a plurality of communication terminals according to rules established by the particular system user or a system administrator.

26. The communications networking system of claim 1 further configured to allow a system administrator to configure the network interface and the push to talk radio interface to be functional with external communication equipment and network types, including allowing a VOIP or analog telephone to operate as a push to talk device.

27. The communications networking system of claim 1 further configured to allow a system administrator to configure the call control unit to respond based upon user inputs, communications terminal ID, personal user ID or channel in use ID.

28. The communications networking system of claim 1 further configured to enable a system administrator to configure the call control unit to perform based upon reference to data contained in a user information database and the user'"'"'s associated security level or priority classification information.

29. The communications networking system of claim 1 further configured to enable a system administrator to configure the call control unit to respond based upon date and time information, physical location or external signal inputs.

30. The communications networking system of claim 1 further configured to allow a system administrator to:

configure the communications networking system via configuration file loads;

configure the communications networking system manually via a local terminal or computer; and

configure the communications networking system remotely via a communications network.

31. The communications networking system of claim 1 further configured to allow a system administrator to configure the call control unit to intelligently control user access to conferences and call routing via a prescribed dialed number plan or IP address assignments, whereby system users may access other system users, communicatively coupled communication devices or conferences by manual dialing or computer assisted routing to unique addresses assigned by the system administrator.

32. The communications networking system of claim 31 whereby the prescribed dialing and network routing plan may be retrieved from an external network server, such as a SIP server or H.323 Gatekeeper.

33. The communications networking system of claim 31 whereby the dialing and network routing plan is further operable to allow users from one communications networking system to communicate with users, intercoms, conferences and communicatively coupled communication devices located on other physically separated, but interconnected, communications networking systems.

34. The communications networking system of claim 1 further comprising a server component configured to support a plurality of Voice Over internet Protocol networked user client command and control communication terminals.

35. The communication networking system of claim 34 further comprising a server database such that personal configuration preferences for user clients are saved upon client log off and restored upon subsequent client terminal log on.

36. The communication networking system of claim 35 further comprising a plurality of user client terminal configurations corresponding to a location in use, military mission or incident response situation.

37. The communication networking system of claim 35 further configured to authenticate and grant users appropriate access privileges upon client terminal log on according to information stored in the server database.

38. The communications networking system of claim 35 further operable to automatically locate users and route calls to users of the communications networking system logged on to a client terminal from any location on a network of interconnected communications networking systems.

39. The communications networking system of claim 1 further configured to allow a system administrator to preprogram system configuration parameters, including radio frequencies, conference addresses, user client screens, dial plans and user security level assignments, for storage in an electronic data file capable of being remotely or locally loaded into the system.

40. The communications networking system of claim 1 further configured to allow a system administrator to configure the communications networking system to route calls between communication terminals and to provide access to conferencing and intercom services based on at least one of a terminal in use, user identification and user inputs.

41. The communications networking system of claim 1 further configured to allow a system administrator to configure the system to access one or more embedded or network accessible databases to control user access, security features, lookup user addresses and/or to provide a user specific system response.

42. The communications networking system of claim 1 further configured to access an information database to present a system user with additional information relating to a communication session to increase situational awareness, operational efficiency and communication effectiveness.

43. The communications networking system of claim 1 further configured to automatically accept, reject or re-route incoming call requests or override call sessions in progress based upon at least one of a caller ID, a calling device ID or a user access code based on security and access information stored in an information database.

44. The communications networking system of claim 1 further configured to provide audible status information and instruction messages to assist users in using and navigating the system.

45. The communications networking system of claim 1 further configured to allow a system user to program emergency and informational messages to be broadcast to a designated individual user, group of users or all system users.

46. The communications networking system of claim 1 further configured to allow a system user to record and cause the posting of emergency and informational messages for retrieval by authorized users.

47. The communications networking system of claim 1 further configured to allow a system user to instantaneously retrieve for playback a recording of their recent communication sessions with other users and display associated user ID and device ID.

48. The communications networking system of claim 1 further configured to display current user ID information on system client terminals for each active communication interface, conference and intercom channel.

49. The communications networking system of claim 1 wherein the call control unit is configured to provide an integrated PBX functionality to VOIP networked client terminal users, including user dial access, call transfer, hold, conferencing, intercom, speed dial and busy.

50. The communications networking system of claim 1 further comprising a VOIP gateway component configured to control signaling based on SIP and/or H.323, and to communicate with standards based VOIP servers, VOIP equipped terminals and telephones, IP PBX, IP radios and VOIP networks.

51. The communications networking system of claim 1 further comprising dual Ethernet port components communicatively coupled to external dual redundant Ethernet switches and cross-connected IP networks, such that no single point of failure exists to compromise communications between the communications networking system and remote devices and remotely located communications networking systems.

52. The communications networking system of claim 51 further comprising at least one 1:

1 pair of redundant, hot-pluggable communications gateway cards in an active/standby mirror configuration, wherein each communications gateway card provides uninterrupted operation in the event of a failure of an active communications gateway card.

53. The communications networking system of claim 51 further configured to distribute communications processing.

54. The communications networking system of claim 1 configured to operate on a self contained basis such that network connected servers, database systems, conferencing systems, call routing or call manager systems are not required for communications networking system operation.

55. The communications networking system of claim 1 wherein data packets in the VOIP format include information to control call control units, control signaling of radios within the radio systems, specify the audio mix, and control the conferencing unit.

56. A method performed by a communications networking system, the method comprising:

the communications networking system establishing a communication session with a plurality of external push to talk radio devices, the communication session initiated by a user of one of the external push to talk radio devices or one of a plurality of external networked communications terminals communicatively coupled with the communications networking system;

the communications networking system automatically creating a communication link between the external push to talk radio devices and at least one of the external networked communications terminals including at least one Voice Over Internet Protocol (VOIP) device;

the communications networking system converting communications from the external push to talk radio devices, external networked communications terminals and VOIP devices into a common format IP data protocol data packets for communication using VOIP protocols;

the communications networking system receiving communications from the external networked communications terminals and VOIP devices to control the configuration of the communications networking system;

the communications networking system establishing a conference call among multiple push to talk radio devices, external networked communications terminals and VOIP devices in which the push to talk radio devices, external networked communications terminals and VOIP devices may all communicate concurrently in the conference call;

the communications networking system providing call control features to the networked communications terminals and the VOIP devices such that users of the networked communications terminals and the VOIP devices may control a plurality of call control parameters associated with the conference call and the established communication link during the communications session;

the communications networking system providing audio processing control features to the networked communications terminals and the VOIP devices including enabling users of the networked communications terminals and the VOIP devices to create a unique mix of audio originating from multiple push to talk radio devices.

57. The method of claim 56, further comprising:

the communications networking system automatically translating a signal from the external push to talk radio device to a signal based on a format suitable for a voice-over internet protocol network;

the communications networking system transmitting the translated signal to an external VOIP communication device communicatively coupled to the communications networking system via a voice-over internet protocol port.

58. The method of claim 56, further comprising:

the communications networking system automatically translating a signal from the external push to talk radio device to a signal based on a format suitable for a different external radio;

the communications networking system transmitting the translated signal to an external communication device communicatively coupled to the communications networking system via a different radio port;

the communications networking system providing local push to talk control and receiving carrier or squelch control signals to minimize radio repeater and patching operation delay.

59. The method of claim 56, further comprising:

the communications networking system automatically translating a signal from the external push to talk radio to a signal based on a format suitable for a telephone network;

the communications networking system transmitting the translated signal to an external communication device communicatively coupled to the communications networking system via a telephone port.

60. The method of claim 56 further comprising:

the communications networking system receiving configuration programming information from a system administrator

the communications networking system providing a desired system response based on the configuration programming information.

61. The method of claim 56 further comprising:

the communications networking system receiving configuration programming information from a system administrator specifying that a communication session may be automatically initiated and routed by a user of the system and provide unattended operation to the user.

62. The method of claim 56 further comprising:

the communications networking system receiving from a system administrator a mission profile, specifying a system configuration for use in a military mission or emergency response incident.

63. The method of claim 56, further comprising:

the communications networking system establishing a localized conference call and cross-connection between at least two of a plurality of external communication devices.

64. The method of claim 63, further comprising:

the communications networking system establishing a conference call audio configuration, such that a plurality of operators in close physical proximity may receive audio from shared external communication devices without disruptions caused by Voice over Internet Protocol packetizing and network delays.

65. The method of claim 63, further comprising:

the communications networking system generating a composite conference channel audio stream for transport over a Voice over Internet Protocol network, to reduce required network bandwidth and permit Voice over Internet Protocol telephones and computers to receive conference audio without additional networked conferencing equipment or proprietary conferencing software.

66. The method of claim 63, further comprising:

the communications networking system providing local echo cancellation on full duplex audio sources to allow full duplex audio sources to be included in conferences with half duplex audio sources and to improve audio quality.

67. The method of claim 56,

wherein the conference call is a multi-media conference call

the method further comprising combining multiple IP audio streams originating from multiple gateway locations and/or multiple VOIP devices connected to the IP network into a conference including the ability for multiple networked communications terminals and VOIP device users to talk simultaneously.

68. The method of claim 67, further comprising:

the communications networking system pre-assigning conference call participants from among the external communication devices to a specific conference

the communications networking system alerting the participants to join the conference call.

69. The method of claim 67, further comprising:

the communications networking system establishing selective screening of access to the conference call based upon user identification or communications terminal information.

70. The method of claim 67, further comprising:

the communications networking system VOIP device users establishing an ad hoc talk group to create conference calls between the external push to talk radio and multiple external VOIP communication devices.

71. The method of claim 67, further comprising:

the communications networking system establishing a hierarchy of call control privileges for the conference call for at least one of the external communication devices.

72. The method of claim 67, further comprising:

the communications networking system locally controlling push-to-talk signaling for externally connected radio base stations to eliminate control message delay;

the communications networking system providing intelligent push-to-talk signaling control and audio buffering to avoid the loss of initial audio transmission inherent in Voice over Internet Protocol networked radio communications.

73. The method of claim 56, further comprising:

the communications networking system establishing a hierarchy of system users for priority access to communication channels and a preemption protocol based upon user identification and their priority ranking.

74. The method of claim 56, further comprising:

the communications networking system providing user accessibility to any communications device connected to the communications networking system regardless of a remote communications device location.

75. The method of claim 56, further comprising:

the communications networking system providing user command and control of the communications networking system from any device with access to the communications networking system regardless of a remote or mobile device location.

76. The method of claim 56, further comprising:

the communications networking system comparing signal quality received from a plurality of radio base stations and dynamically selecting the highest quality signal path for exclusive inclusion in the communication session, thereby improving radio communications with mobile users.

77. The method of claim 56, further comprising:

the communications networking system generating a composite mix of audio received from a plurality of externally connected communication devices transmitting the composite mix to a receiving communication terminal device and eliminating a requirement for an adjunct mixing device or mixing software at a receiving communication terminal device.

78. The method of claim 56, further comprising:

the communications networking system encrypting and decrypting communication signals transmitted via an external network and providing audible encryption status notification to users.

79. The method of claim 56, further comprising:

the communications networking system transmitting communication signals associated with the established communication session as a binaural audio signal having a left channel signal and a right channel signal.

80. The method of claim 79, further comprising:

the communications networking system receiving user assignment of one of the binaural channels to an active talk group-communication session transmission signal;

the communications networking system receiving user assignment of the other channel signal as a composite signal mix from other than active talk group users.

81. The method of claim 56, further comprising:

the communications networking system assigning a dial plan for user and system service addressing whereby a plurality of system users may access other system users, intercoms or conferencing services by dialing or computer assisted routing to unique addresses assigned by a system administrator.

82. The method of claim 56, further comprising:

the communications networking system modifying call routing access to other users and conferencing services according to user related information including at least one of user ID, vehicle ID, priority level and security level.

83. The method of claim 56, further comprising:

the communications networking system modifying call routing and access to other users and conferencing services according to user location, incident situation or mission profile.

84. The method of claim 56 further comprising:

the communications networking system receiving configuration programming from a system administrator specification of communication interfaces to be functional with specified external communication equipment and network types including receiving identification of a connected device type, such as a radio model number or network signaling standard.

85. The method of claim 56 further comprising:

the communications networking system remotely controlling features and functionality of communicatively coupled communication equipment and networks.

86. The method of claim 85 further comprising:

the communications networking system providing users the ability to remotely control radio features and functionality such as, radio frequency select, group select, scan, squelch, PTT, modulation type, volume and power level and receive status messages from the radio, including caller ID or location information.

87. The method of claim 56 further comprising:

the communications networking system distributing conferencing tasks among a plurality of networked communications gateway systems to create a redundant backup such that failure of one of the networked communications gateway systems only affects the operation of locally supported communication devices of the failed networked communications gateway system.

88. The method of claim 56, further comprising:

the communications networking system recording an emergency message operable to be stored in a data store in the system; and

the communications networking system playing back the recorded emergency message when prompted.

102. The method of claim 56 wherein the call control features comprise one from the group including:

configuration of a desired mix of monitored radios and talk groups, selection and configuration of radios for transmission, push to talk control, patching of radios with other communication interfaces, control of radio paging and alerting signals, and initiating and accessing a talk group, a conference and intercom communications.

89. A communications networking system comprising:

a first communication port operable to facilitate communication between the communications networking system and a first communication platform, the first communication platform comprising a push to talk radio platform;

a second communication port operable to facilitate communication between the communications networking system and a second communication platform that supports Voice over Internet Protocol (VOIP) communications;

a switch operable to automatically switch an incoming call from the first communication platform to the second communication platform;

an audio signaling processor configurable by a user of the second communication platform, the audio signal processor operable to transmit a composite mix of first and second communications platform audio in a VOIP audio packet format;

a call control unit configurable by one or more external VOIP device users, the call control unit operable to

establish conferences and cross-connect audio among the communications networking system and a plurality of communication platforms, including the first and the second communication platforms

translate and control signaling among the communications networking system and the plurality of communication platforms, including the first and the second communication platforms

exchange communications data among the communications networking system and the plurality of communication platforms, including the first and the second communication platforms.

90. The communications networking system of claim 89, further comprising a memory to store at least one configuration file for facilitating communication between the first and second communication platforms.

91. The communications networking system of claim 89, further comprising a memory to store and buffer audio data for facilitating communication between the first and second communication platforms.

92. The communications networking system of claim 89, further comprising a memory to store at least one database file to facilitate and manage communication between system users.

93. The communications networking system of claim 89, further comprising an encryption module coupled to the call control unit and operable to encrypt and decrypt communication signals received from and directed to the plurality of communication platforms, including the first and the second communication platforms.

94. The communications networking system of claim 89 wherein the first communication port includes

a push to talk radio port that further comprises a radio control interface operable to control an external radio base station, and

a radio audio interface operable to send and receive audio signals to and from the radio base station.

95. The communications networking system of claim 94 wherein the push to talk radio port comprises a serial, digital or Ethernet radio port.

96. The communications networking system of claim 89 wherein the first communication port is further operable to facilitate communication with a second radio platform supporting a protocol different from the push to talk radio platform.

97. The communications networking system of claim 89 further comprising a telephone network port operable to facilitate communication between the communications networking system and a telephone network.

98. The communications networking system of claim 89 wherein the second communication port comprises an H.323 or SIP gateway operable to facilitate communication between the communications networking system and VOIP enabled devices and VOIP networks.

99. The communications networking system of claim 89, further comprising one or more digital signal processors operable to translate at least one received signal from a first platform format to a second platform format and establish a conference including multiple signals in at least the first platform format and the second platform format.

100. The communications networking system of claim 89, wherein the second communication port and the call control unit cooperate to support a plurality of Voice Over internet Protocol networked client terminals including client terminal control of conferencing, mixing, patching, intercom, radio and telephone communications.

101. The communications networking system of claim 89, further comprising components enabling the communications networking system to operate as a self contained communications gateway.

103. The communications networking system of claim 89 wherein the first communication platform comprises an audio port such that the audio port user may configure the audio signaling processor and the call control unit.