US Patent 7599355 Server-less VoIP (voice over internet protocol) phone system

Patent 7599355 was granted and assigned to Aksys Networks on October, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Aksys Networks

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75993550

Patent Inventor Names

Martin T. Sunstrum0

Date of Patent

October 6, 2009

Patent Application Number

109178140

Date Filed

August 13, 2004

Patent Primary Examiner

‌

Anh Vu H Ly

Patent abstract

An apparatus and method for effecting sophisticated telephony services using hybrid POTS and VoIP transport without resorting to central servers or PBXs is provided. Key to the system is the use of on-phone processing capabilities comprising several A-D/D-A, memory and addressing, audio-mixing, program memory and programmable computing circuits or components. The system performs required IP and VoIP protocol stacks (UDP, RTP, and SIP for example) and POTS functionality. Optionally, fail-over from set-power may be provided using POTS line voltages.