Abstract:
A first control node for use in a multimedia network includes a call control module to perform a call control task to enable establishment of a call session on behalf of a terminal in the multimedia network. The call control module further cooperates with a second control node to perform the call control task. A security element performs a security task with respect to messaging communicated for enabling establishment of the call session.
Abstract:
A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.
Abstract:
Techniques to manage presence information are described. An apparatus may comprise a presence management component operative to manage presence information for a presentity node. The presence management component may comprise a presence normalization module operative to retrieve presence temporal information for a home time zone, and normalize the presence temporal information for a local time zone of the presentity node to form normalized presence temporal information. The presence management component may further comprise a presence control module communicatively coupled to the presence normalization module. The presence control module may be operative to send presence state information from the presentity node to a presence server based on the normalized presence temporal information. Other embodiments are described and claimed.
Abstract:
A first network element receives a message from a second network element. The message is modified by the first network element by inserting a certificate into the message, wherein the certificate includes an identity of the first network element and a digital signature produced by the first network element. The modified message is sent to a third network element.
Abstract:
Network connections that are used in routing VoIP session to their end destination are monitored to determine when a call fails to reach its destination. When a network failure is detected, the call is automatically routed to another device that is not dependent on the failed network connection. The call may be automatically rerouted to one or more secondary numbers, such as a mobile telephone number and/or a PSTN number.
Abstract:
A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.
Abstract:
Providing mobile station time-based services in a cellular wireless communication network. A servicing entity initiates time-based services for the mobile station by querying a Home Location Register (HLR) serving the mobile station to return current mobile station time and time zone (TTZ) information including at least one of the mobile station's local time, local date, a time difference between Greenwich Mean Time (GMT) and the local time. The HLR queries a mobile station serving VLR for the TTZ information. Upon receipt of a TTZ response message, the HLR transmits the TTZ information to the servicing entity. The TTZ information is filtered based on at least one mobile station defined rule to derive a mobile station time-based selective presence or availability. The servicing entity provides the time-based service based on the mobile station TTZ information and the mobile station time-based selective presence.
Abstract:
A first network element receives a message from a second network element. The message is modified by the first network element by inserting a certificate into the message, wherein the certificate includes an identity of the first network element and a digital signature produced by the first network element. The modified message is sent to a third network element.
Abstract:
A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.
Abstract:
A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.