Providing Network Professionals The Edge

Archives for March 2012

Voice Fundamentals – Human Speech Frequency

The mechanics behind human voice production are unique and in many ways quantifiable. ¬†Understanding human speech and its perceived properties are an … [Read more...]

Cisco IP Phone TFTP File Look Up Order

Once a Cisco IP Phone has received its IP address, VLAN information and TFTP IP address information (see IP Phone Boot Process article) its next … [Read more...]

Original Selsius IP Phone

Selsius Systems was a telecommunications company in Dallas, Texas which developed and marketed some of the first IP telephony products in the … [Read more...]