Will anyone be able to tell if VWIC2 be supported on a 2811 HWIC slot? I am in the midst of customizing a router to support VOIP & not too sure if the above fits.
Yes. You need PVDM2-xx where xx is same or bigger the number of channels you getting from telco.
Sizes are 8,16, 32, and 64
Hope this helps, please rate post if it does!