At&t Intellectual Property I, LP

At&t Mobility II LLC

Scott Riffe

Steven I Carlson

Julie Sara Fowler

Gregory Alan Wong

A system that incorporates the subject disclosure may include, for example, a serving device receiving a first message from a gateway device coupled to a communication network, the first message comprising a first session descriptor protocol relating to a port of the network connecting to equipment of a first subscriber of the network to originate a call to a mobile communication device of a second subscriber of the network, whereby the serving device and the gateway device comprise nodes on a signaling path for the call. The serving device sends a second message to the gateway device, the second message comprising a second session descriptor protocol relating to the serving device, for delivery to the network to facilitate a bearer path between the network and the serving device, wherein the gateway device is not a node of the bearer path. Other embodiments are disclosed.

Optimizing call bearer path using session initiation protocol proxy

A system for administering text communications may be configured to determine if an incoming communication that includes text meets any of various criteria and respond based on that determination. A reply may include information based on the criteria or information related to how other messages with the same or similar criteria have historically been handled by a user. Reply communications may be in a different form than that of the incoming communication. Other actions may be taken in addition or instead of replying, including setting calendar reminders or tasks, and sending delegate notifications. Data used for determinations may be collected over time or gathered from external systems.

Dynamic text communication administration

A second switch receives an indication from a roaming network that a call forwarded by the roaming network has been dropped by the roaming network, and in response to receiving the indication, forwards the call from a first switch.

Call handling scheme to reduce roaming charges

The present invention relates to hotline routing of calls originating from mobile stations. The hotline routing conserves MSISDNs for valid subscribers and provides a relatively generic solution. In one example, a computer system stores in a location register a subscriber profile with an IMSI and a pseudo-MSISDN. A mobile station (which includes a SIM with the IMSI) originates a call. After translation of the pseudo-MSISDN, a serving MSC routes the call to a service activation center.

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Bellevue, WA, United States of America

Scott Riffe