Abstract: A method, system and apparatus for internetworking a WWAN and a WLAN are disclosed. More specifically, a method, system and apparatus for providing WWAN services to a mobile station serviced by a WLAN are disclosed. An MSC is provisioned to serve a WLAN. The MSC that serves the WLAN receives WWAN messages that provide a WWAN service. The MSC forms SIP messages using the received WWAN messages and delivers the SIP messages to the WLAN via an IP link. The WLAN delivers the SIP messages to the mobile station via a WLAN air interface protocol. Under one embodiment, the WWAN service is a Short Message Service (SMS). Under another embodiment, the WWAN service is a Message Wait Notification (MWN). Under another embodiment, an MSC that services the WLAN and an MSC servicing the WWAN cooperate to provide TFO call services between an mobile station operating in the WLAN and a mobile station operating in the WWAN.

Abstract: A method, system and apparatus for internetworking a mobile station to operate in a WWAN environment and in a WLAN environment are disclosed. More specifically, a method, system and apparatus for internetworking a mobile station to operate in a WWAN environment and in a WLAN environment with PBX services are disclosed. A switch is provisioned to communicate with a WLAN via IP communication and to communicate with a PBX via a PBX interface. The switch receives mobile station communications via the WLAN. The switch converts the mobile station communications to a format compatible with the PBX interface and forwards the converted communications to the PBX. The PBX receives and handles the converted communications. Under one embodiment, the switch is further provisioned to communicate with a WWAN and the switch analyzes the mobile station communications and determines that the communications address an entity external to a domain of the PBX. In response, the switch requests a TLDN from a MSC serving the WWAN.

Abstract: A method, system and apparatus for internetworking WLAN and WWAN environments are disclosed. More specifically, a method, system and apparatus for providing mobility management of a mobile station in WLAN and WWAN environments are disclosed. Roaming and handoffs are discussed.

Abstract: A method and system of determining a GGSN to serve data calls in a mobile communications network is provided. Messages are received from a SGSN, and analyzed to determine if the message is requesting the identity of a GGSN. If the received message is requesting the identity of a GGSN, a GGSN selection algorithm is executed to identify a GGSN to serve data calls from a specified MS. A reply is then constructed and sent to the SGSN identifying the selected GGSN.

Abstract: Information is retrieved from a list of members of a group call group. Based on the retrieved information, a group call is established between first and second mobile stations (MS). The first MS is served by a first base station controller (BSC) and the second MS is served by a second BSC. Voice data for the group call is transmitted in a multicast session. Based on a history of group calls between two points in a mobile communications network, a determination is made as to whether to establish a multicast session between the two points, e.g., in anticipation of a future group call.

Abstract: Interconnections are managed in a mobile communications network having at least one mobile switching center (MSC) and at least one base station subsystem (BS), wherein the MSC and BS each communicate signaling messages according to a mobile signaling protocol. A first connection is provided between a first device and a second device in the network and a second connection is provided between the first device and a third device in the network. The first device includes a proxy switch for use in the network.

Abstract: A method and system of determining a GGSN to serve data calls in a mobile communications network is provided. Messages are received from a SGSN, and analyzed to determine if the message is requesting the identity of a GGSN. If the received message is requesting the identity of a GGSN, a GGSN selection algorithm is executed to identify a GGSN to serve data calls from a specified MS. A reply is then constructed and sent to the SGSN identifying the selected GGSN.

Abstract: A plurality of users communicate in a plurality of real-time text conversations (e.g., “chat sessions”) in a client-server message processing environment using messages including a conversation index, a conversation-initiator ID and a list of message recipients. Each conversation is maintained at client terminals in an individual window. Dropping and controlled adding of conversation participants is attended by message updates to other participants. Alternative peer-to-peer message handling reduces the processing burden on servers while allowing clients to perform control and display functions. Voice or other non-text messages are also communicated using described techniques.