The US Patent and Trademark Office correctly found claims in an Estech Systems IP LLC patent covering quality improvements to voice over internet protocol telephone systems to be obvious and ...

Abstract: There is a great interest today in voice communication over the Internet (VoIP) with a high level quality of service (QoS). Our objective in this paper is to assess to what extent today's ...

Cisco Henson, the longtime president of production at Nacelle Company, has died. He was 61. The 2x Emmy-nominated producer, who had more than 300 credits to his name, died on Monday, surrounded by ...

Cisco Systems, Inc. (CSCO) closed at $80.25, up $0.74 or 0.93% --New all-time closing high (Based on available data back to Feb. 16, 1990) --It is the first new record closing high since March 27, ...

Abstract: Since the late 90's IP telephony, commonly referred to as Voice over IP (VoIP), has been presented as a revolution on communications enabling the possibility to converge historically ...