Motorola Corporation

Motorola Solutions, Inc.

Itamar Aharonson

Eitan Koren

Abraham Tooba

Nissim Farhuma

A method and apparatus for session layer framing for interoperability between packet-switched systems is described. The method includes the steps of: generating () a communication frame at the session layer including a plurality of fields; providing () for a payload field in the plurality of fields for carrying a payload; and providing () for a signal field in the plurality of fields for carrying a control signal.

Method and apparatus for session layer framing to enable interoperability between packet-switched systems

The present invention includes methods in an interoperability system for: notifying a user in a first communication system that a trunked radio system is ready to receive data; broadcasting or distributing an emergency announcement from a trunked radio system to the other radio systems in the interoperability system; a user of one communication system using vocalic commands to establish a patch with another radio system; and enabling a PSTN device to more effectively communicate with radio systems in the interoperability system.

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Reshon Letzion, Israel

Itamar Aharonson