[c-nsp] point to point dedicated t1 rtt ping times

[John Osmon]

Curtis Doty wrote:
[...T1 latency of 60 ms AZ <-> IL...]

> Add in a few milliseconds for hdlc framing or ppp overhead on the full 
> ds1, and the rest is your carrier; either encapsulating or stalling the 
> frames in situ or backhauling them via Albuquerque, Calabasas, 
> Kalamazoo, Tipperary...

If Albuquerque was involved, the latency would likely be higher.

Trust me.