US Patent 7920831 PTT/PTS signaling in an internet protocol network

Patent 7920831 was granted and assigned to Redcom Laboratories, Inc. on April, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Redcom Laboratories, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79208310

Patent Inventor Names

Charles J. Breidenstein0

Date of Patent

April 5, 2011

Patent Application Number

118406370

Date Filed

August 17, 2007

Patent Primary Examiner

‌

Tuan A. Tran

Patent abstract

Conveying Push-To-Talk and Push-To-Signal (PTT/PTS) information over an IP network through signaling bits defined in and propagated with the Real-Time Protocol (RTP) stream allows the PTT/PTS information to remain synchronized with the voice packets of the stream. The maintenance of synchronization of PTT/PTS signals and voice packets eliminates problems arising from failure of synchronization between the two classes of packets, notably the “shoot/don't shoot” problem. The signaling bits employed were formerly used to convey legacy network information, but are no longer in active use in the Voice-over-IP (VoIP) realm, since VoIP provides alternative pathways for their information.

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