Providing Network Professionals The Edge

Archives for February 2012

How to Configure a VWIC2-2MFT-T1/E1 Card on a 2800 Series Router

Enter the following command to determine which WIC slot your VWIC2-2MFT-T1/E1 is installed in: show diag The output of this command will appear … [Read more...]

Cisco 2800 Series ISRs – 2801, 2811, 2821, 2851 Features

The Cisco 2800 series of Integrated Services router platforms are one of my favorites due to their flexibility in accommodating a host of new and … [Read more...]

Phone Signalling: On Hook, Dial Tone, Pulse, DTMF

Supervisory signalling, Information signalling or Address signalling, these are the groupings to define the various states, tones and methods to setup … [Read more...]

The Four Enemies of Voice and Video Traffic

It is the never ending battle of real time voice and video traffic against the following evil foursome.  Here is a quick reference of who/what they … [Read more...]