Apparatus and method for inter-network communication
January 28, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesNodal structure switching network Echo canceller Private network with means for establishing virtual tie trunks between PBXS through ISDN public network Virtual signaling network method International priority calling system with callback features Transmitting/receiving system having digital switching network Method and apparatus for monitoring a network for customer signaling during the term of a call Congestion tuning of telecommunications networks Centralized service circuit deployment System for connecting public network subscriber and private network subscriber InventorsAssigneeApplicationNo. 791046 filed on 01/28/1997US Classes:379/229, Interexchange signalling379/220.01, With interexchange network routing379/225, Multi-PBX interconnection379/231, Central office-to-PBX signalling379/234, PBX to central office signalling (e.g., direct outward dialing)379/901VIRTUAL NETWORKS OR VIRTUAL PRIVATE NETWORKSExaminersPrimary: Hong, Harry S.Attorney, Agent or FirmForeign Patent References
International ClassH04M 007/00Foreign Application Priority Data1994-07-29 GBAbstractThe invention provides an apparatus for transmitting calls generated by a first communication network over a second communication network to a third communication network, the first communication network operating in accordance with a first communication protocol which enables call services, the third communication network operating in accordance with a communication protocol which enables at least one of the call services enabled by the first communication protocol and the second communication network operating according to a second communication protocol different to the first. The apparatus includes means to produce a data message compatible with the second communication protocol indicative of the required service and means to transmit the call and data message over the second communication network to the third communication network, where the data message is read by further apparatus and an appropriate call service established to the third communication network. By providing means to produce a data message compatible with the second protocol to carry the call service information it is possible to establish a call service over a communications network even though that network does not explicitly support the call service.Field of SearchPLURAL EXCHANGE NETWORK OR INTERCONNECTIONMulti-PBX interconnection Interexchange signalling Call distribution or queuing Signalling path distinct from trunk (e.g., CCIS) Central office-to-PBX signalling PBX trunk groups Direct inward dialing PBX to central office signalling (e.g., direct outward dialing) VIRTUAL NETWORKS OR VIRTUAL PRIVATE NETWORKS | |
