Aspects of the invention determining a threat score of a call traversing a telecommunications network by leveraging the signaling used to originate, propagate and terminate the call. Outer-edge data utilized to originate the call may be analyzed against historical, or third party real-time data to determine the propensity of calls originating from those facilities to be categorized as a threat. Storing the outer edge data before the call is sent over the communications network permits such data to be preserved and not subjected to manipulations during traversal of the communications network. This allows identification of threat attempts based on the outer edge data from origination facilities, thereby allowing isolation of a compromised network facility that may or may not be known to be compromised by its respective network owner. Other aspects utilize inner edge data from an intermediate node of the communications network which may be analyzed against other inner edge data from other intermediate nodes and/or outer edge data.

A technique for enabling signaling message correlation in a telecommunication network is disclosed. A method implementation of the technique is performed by a network node in the telecommunication network and includes receiving a first signaling message as part of a signaling procedure among a plurality of network nodes in the telecommunication network, the first signaling message being transmitted using a first signaling protocol and including a correlation identifier being propagated along a message flow of the signaling procedure, and triggering transmitting a second signaling message as part of the signaling procedure using a second signaling protocol different from the first signaling protocol, wherein the correlation identifier of the first signaling message is incorporated into the second signaling message for further propagation.

Aspects of the subject disclosure may include, for example, receiving, from a private telephone number mapping server, a first database comprising address records associated with subscriber devices of a first carrier, storing, at an inter-carrier server system, an inter-carrier mapping database comprising the address records converted to an inter-carrier format, receiving new address records associated with new subscriber devices registered with the first carrier, updating the inter-carrier mapping database with the address records converted to the inter-carrier format, receiving a first query for an address record associated with a called number of a first device of the first carrier for initiating an internet protocol call between the first device and a second device of the second carrier, querying the inter-carrier mapping database of the inter-carrier server system for the address record, and transmitting the address record to the second carrier for routing the internet protocol call. Other embodiments are disclosed.

A switchboard management system according to an embodiment of the present disclosure comprises: at least one gateway connected to at least one from among a plurality of circuit breakers in a switchboard panel; and a server connected to the at least one gateway, wherein the at least one gateway comprises an environment sensing unit for acquiring environment data on the at least one circuit breaker connected thereto, and the server receives, from the at least one gateway, driving information on the plurality of circuit breakers and the environment data and predicts the remaining lifespan of each of the plurality of circuit breakers on the basis of the received driving information and environment data.

Signaling system for public switched telephone network (PSTN) using a blockchain system. In one embodiment, a method is provided. The method includes determining that a phone call related operation between a first telecommunications operator and a second telecommunications operator was requested. A public switched telephone network (PSTN) comprises the first telecommunications operator and the second telecommunications operator. The method also includes updating, by a node of a blockchain system, a distributed ledger to indicate that the phone call related operation between the first telecommunications operator and the second telecommunications operator was requested. The method further includes analyzing the distributed ledger to determine if the phone call related operation was approved. The method further includes executing the phone call related operation in response to determining that the phone call related operation was approved.

Aspects of the invention determining a threat score of a call traversing a telecommunications network by leveraging the signaling used to originate, propagate and terminate the call. Outer-edge data utilized to originate the call may be analyzed against historical, or third party real-time data to determine the propensity of calls originating from those facilities to be categorized as a threat. Storing the outer edge data before the call is sent over the communications network permits such data to be preserved and not subjected to manipulations during traversal of the communications network. This allows identification of threat attempts based on the outer edge data from origination facilities, thereby allowing isolation of a compromised network facility that may or may not be known to be compromised by its respective network owner. Other aspects utilize inner edge data from an intermediate node of the communications network which may be analyzed against other inner edge data from other intermediate nodes and/or outer edge data.

A technique for enabling signaling message correlation in a telecommunication network is disclosed. A method implementation of the technique is performed by a network node in the telecommunication network and includes receiving a first signaling message as part of a signaling procedure among a plurality of network nodes in the telecommunication network, the first signaling message being transmitted using a first signaling protocol and including a correlation identifier being propagated along a message flow of the signaling procedure, and triggering transmitting a second signaling message as part of the signaling procedure using a second signaling protocol different from the first signaling protocol, wherein the correlation identifier of the first signaling message is incorporated into the second signaling message for further propagation.

Signaling system for public switched telephone network (PSTN) using a blockchain system. In one embodiment, a method is provided. The method includes determining that a phone call related operation between a first telecommunications operator and a second telecommunications operator was requested. A public switched telephone network (PSTN) comprises the first telecommunications operator and the second telecommunications operator. The method also includes updating, by a node of a blockchain system, a distributed ledger to indicate that the phone call related operation between the first telecommunications operator and the second telecommunications operator was requested. The method further includes analyzing the distributed ledger to determine if the phone call related operation was approved. The method further includes executing the phone call related operation in response to determining that the phone call related operation was approved.

A switchboard management system according to an embodiment of the present disclosure comprises: at least one gateway connected to at least one from among a plurality of circuit breakers in a switchboard panel; and a server connected to the at least one gateway, wherein the at least one gateway comprises an environment sensing unit for acquiring environment data on the at least one circuit breaker connected thereto, and the server receives, from the at least one gateway, driving information on the plurality of circuit breakers and the environment data and predicts the remaining lifespan of each of the plurality of circuit breakers on the basis of the received driving information and environment data.

Signaling system for public switched telephone network (PSTN) using a blockchain system. In one embodiment, a method is provided. The method includes determining that a phone call related operation between a first telecommunications operator and a second telecommunications operator has been requested. A public switched telephone network (PSTN) comprises the first telecommunications operator and the second telecommunications operator. The method also includes updating, by a node of a blockchain system, a distributed ledger to indicate that the phone call related operation between the first telecommunications operator and the second telecommunications operator has been requested. The method further includes analyzing the distributed ledger to determine if the phone call related operation has been approved. The method further includes proceeding with the phone call related operation in response to determining that the phone call related operation has been approved.