Abstract: Methods, systems, and computer readable media for providing a user record deletion notification are disclosed. In one example, the method comprises determining, at a subscriber data management (SDM) node, that a service subscription to an access network is to be terminated, wherein the service subscription is associated with a subscriber user, generating, at the SDM node, a notification message that includes a deletion notification attribute, and sending the Diameter notification message to an application server associated with the access network. The method further includes terminating, at the application server, a communication service connection established between the subscriber user and the access network in response to detecting the deletion notification attribute in the notification message and deleting, in the SDM node, a user record associated with the service subscription after receiving notification of the connection termination.

Abstract: According to one aspect, the subject matter described herein includes a method for communicating service data flow (SDF) event information. The method includes steps occurring at a policy and charging rules function (PCRF) node. The method also includes communicating, via an Rx interface, a request to a deep packet inspection (DPI) node to be notified when an SDF event occurs. The method further includes receiving notification from the DPI node that the SDF event has occurred.

Abstract: Methods, systems, and computer readable media for performing enhanced service routing are disclosed. One method includes receiving, at a Diameter application executing on a message processor associated with a DSR, a Diameter message that requires a service. The method also includes determining, using service routing data, at least one service provider for performing the service associated with the Diameter message, wherein the service routing data is based on service capability information provided by a plurality of service providers and sending the Diameter message or a portion of the Diameter message to the at least one service provider for performing the service.

Abstract: According to one aspect, the subject matter described herein includes a method for caching call session control function (CSCF) data at a Diameter signaling router (DSR). The method includes steps occurring at a DSR network node comprising a communication interface, a processor, and a memory. The steps include receiving, via the communication interface, a Diameter message associated with a network subscriber. The steps also include identifying, by the processor, a CSCF associated with the network subscriber based on the Diameter message. The steps further include storing, in the memory, a record associating the CSCF and the network subscriber.

Abstract: Methods, systems, and computer readable media for controlling access to voice resources using mobility management messages are disclosed. According to one method, a mobility management message associated with a mobile subscriber is received. A priority level of the mobile subscriber is determined based on the mobility management message and access to voice resources in controlled based on the priority level.

Abstract: According to one aspect, the subject matter described herein includes a method for congestion management in a Diameter signaling network. The method occurs a Diameter routing node. The method includes determining, using a metric associated with Diameter message processing, that a first Diameter message processing metric threshold has been exceeded. The method also includes in response to determining that the first Diameter message processing metric threshold has been exceeded, performing a first congestion mitigation action, where performing the first congestion mitigation action includes analyzing subsequent Diameter messages to determine one or more common attributes of the subsequent Diameter messages and in response to determining the one or more common attributes of the subsequent Diameter messages, performing a second congestion mitigation action for Diameter messages having the one or more common attributes.

Abstract: Methods, systems, and computer readable media for seamless roaming between networks are disclosed. According to one aspect, the subject matter described herein includes a method for seamless roaming between networks. The method occurs at a home subscriber server (HSS). The method includes maintaining registration status information for a subscriber. The method also includes communicating with a first network via a first network interface and with a second network via a second network interface using the registration status information to facilitate roaming between the first network and the second network. The first network interface is configured to receive and send Diameter signaling messages for managing mobility of the subscriber and the second network interface is configured to receive and send non-Diameter signaling messages for managing mobility of the subscriber.

Abstract: Methods, systems, and computer readable media for providing interactive user controlled policy are disclosed herein. One method includes, at a policy enhancement server (PES), receiving, from an application service provider, an indication that a user is eligible for enhanced network policy in response to the user accessing an application service provided by an application service provider. In response to receiving the indication, at least one attribute of a network policy associated with the user is enhanced.

Abstract: According to one aspect, the subject matter described herein includes a system for a system for obscuring DIAMETER node information in a communication network. The system includes a DIAMETER agent platform. The DIAMETER agent platform includes a network interface for receiving a message from a first DIAMETER node. The DIAMETER agent platform further includes a DIAMETER information hiding module for modifying, in the first message, DIAMETER information for the first DIAMETER node so as to obscure the identity of the first diameter node. The diameter agent includes a routing module for routing the modified message to a second DIAMETER node.

Abstract: According to one aspect, the subject matter described herein includes a method of operating a Diameter signaling router (DSR) for routing Diameter messages. The method includes steps occurring at a DSR comprising a plurality of Diameter message processors, each configured to perform at least one Diameter function. The method also includes detecting, at a first of the plurality of Diameter message processors, a change in status relating to the at least one Diameter function. The method further includes communicating, by the first of the plurality of Diameter message processors and to a second of the plurality of Diameter message processors, an indication of the change in status.

Abstract: Systems, methods, and computer readable media for application-level authentication in a telecommunications network are disclosed. According to one aspect, the subject matter described herein includes a method for application-level authentication of messages in a telecommunications network. The method includes, at a node in a telecommunications network, receiving, from a personal communications device having a user, a message requiring application-level authentication, the message including information associated with the user and incorporating first authentication information associated with the user, the first authentication information being provided from a source that is not the user of the personal communications device. A request for second authentication information associated with the user is sent to an authentication server.

Abstract: Methods, systems, and computer readable media for distributing Diameter network management information are disclosed. According to one method, a first Diameter node obtains Diameter network management subscription information. The first Diameter node obtains Diameter network management information. The first Diameter node determines, using the Diameter network management subscription information, whether at least one second Diameter node is subscribed to receive the obtained Diameter network management information. In response to determining that the at least one second Diameter node is subscribed to receive the obtained network management information, the first Diameter node sends the obtained Diameter network management information to the at least one second Diameter node.

Abstract: Methods, systems, and computer program products for clustering and communicating between Internet protocol multimedia subsystem (IMS) entities and for supporting database access in an IMS network environment. According to one aspect, an IMS cluster node includes a serving call state control function (S-CSCF) for controlling media sessions between IMS users. The cluster node further includes a home subscriber service (HSS) function for storing and providing IMS subscription information to the S-CSCF function. A shared memory is operatively associated with the S-CSCF function and the HSS function. The S-CSCF function obtains IMS subscription information from the HSS function via the shared memory.

Abstract: According to one aspect, the subject matter described herein includes a method for subscriber activated policy enhancement. The method may include receiving a policy enhancement code from a user device at a policy enhancement server (PES). The method may further include obtaining at least one policy enhancement corresponding to the policy enhancement code in response to receiving the policy enhancement code from the user device. The method may further include enhancing at least one policy aspect of a policy for the user device based on the policy enhancement.

Abstract: Methods, systems, and computer readable media for managing the flow of signaling traffic entering a signaling system 7 (SS7) based network having a plurality of gateways for connecting the SS7 network to a non-SS7 network are disclosed. According to one aspect, a method for managing the flow of signaling traffic entering the SS7 based network includes generating, at a signaling node within the SS7 network, a route management message including information for identifying one of the plurality of gateways as the preferred gateway for traffic into the SS7 network. The message is sent to a node in the non-SS7 network for directing traffic into the SS7 network via the identified gateway.

Abstract: Methods, systems, and computer readable media for providing a home subscriber server (HSS) proxy are disclosed. According to one aspect, the subject matter described herein includes a method for providing a home subscriber server proxy. The method includes, at a node separate from a home subscriber server in a telecommunications network, receiving, from a requesting network entity, a request for information maintained at a home subscriber server, the information being associated with a subscriber, and, in response to receiving the request for information maintained at a home subscriber server, providing the information associated with the subscriber to the requesting network entity on behalf of the home subscriber server.

Abstract: Systems, methods, and computer readable media for providing dynamic steering of roaming in a telecommunications network are disclosed. According to one aspect, a method for providing dynamic steering or roaming in a telecommunications network includes a method for providing dynamic steering or roaming in a telecommunications network. The method includes, at a mobile telecommunications device, the device being associated with a subscriber of a first network, detecting a trigger condition for updating a roaming preference, where the trigger condition is not controlled by the operator of the first network, determining an identity of a second network, and performing at least one of: making a change to a preferred roaming network for the device by setting the second network as a preferred roaming network for the device, and connecting to the second network.

Abstract: Methods, systems, and computer program products for providing telecommunication services between a SIP network and an SS7 network are disclosed. In one method, SIP/SS7 gateway receives an INVITE message from a SIP proxy server. The SIP/SS7 gateway extracts a called party number from the INVITE message and determines whether a telecommunications service is required and a type of service required for the INVITE message based on the called party number. The SIP/SS7 gateway then formulates an SS7 query to a database corresponding to the identified service type. The SIP/SS7 gateway receives a response from the database and uses data from the response to facilitate completion of the call. In one example, the SIP/SS7 gateway may forward a routing number extracted from the response back to the originating SIP proxy server. In another example, the SIP/SS7 gateway may generate a new INVITE message and forward the new INVITE message to a terminating SIP proxy server.

Abstract: Methods, systems, and computer readable media for providing sedation service in a telecommunications network are disclosed. According to one aspect, a method for providing sedation service in a telecommunications network is provided. The method includes steps that are performed at a session initiation protocol (SIP) sedation node. The method includes receiving a first message sent from a SIP user agent and intended for a SIP server. The method further includes determining whether the SIP server is unavailable. The method further includes responsive to a determination that the SIP server is unavailable to respond to the first message, sending, to the SIP client, a SIP sedation message for reducing the number or frequency of messages sent by the SIP user agent to the SIP server.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for network metadata based policy control. According to one aspect, a system for network metadata based policy control is provided. The system includes a network metadata directed policy server for obtaining network information for a plurality of subscribers, for deriving network metadata from the network information, for applying a network metadata policy manipulation rule for changing a value of a network an operator assigned policy control parameter for the subscribers, and for generating an instruction for changing the value of the network operator assigned policy control parameter for the subscriber. The system further includes a policy control and charging rules function (PCRF) node for detecting the instruction and for instructing a policy and charging enforcement function (PCEF) node to change value of the operator assigned policy control parameter for the subscribers.