International Business Machines Corporation

Joseph E Bergmark

Brian L Pulito

Nitzan Nissim

Asaf Ben-Ezra

Scott W Graham

According to one embodiment of the present invention, a system for providing call signaling services to client devices transmits a start channel message on a service topic from a first client device to a service instance. The system publishes from the service instance to the client devices a channel message including a channel topic. The service instance subscribes to the service topic and an associated channel topic. Each client device subscribes to a corresponding client topic. The system transfers signaling information between the client devices and the service instance by publishing signaling information to a channel topic and client topics to establish a communication Channel between the client devices. The system communicates between the client devices by publishing information over the communication channel. Embodiments of the present invention further include a method and computer program product for providing call signaling services in substantially the same manners described above.

Messaging based signaling for communications sessions

According to one embodiment of the present invention, a system for providing call signaling services to client devices transmits a start channel message on a service topic from a first client device to a service instance. The system publishes from the service instance to the client devices a channel message including a channel topic. The service instance subscribes to the service topic and an associated channel topic. Each client device subscribes to a corresponding client topic. The system transfers signaling information between the client devices and the service instance by publishing signaling information to a channel topic and client topics to establish a communication channel between the client devices. The system communicates between the client devices by publishing information over the communication channel. Embodiments of the present invention further include a method and computer program product for providing call signaling services in substantially the same manners described above.

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Durham, NC, United States of America

Joseph E Bergmark