a good peice of interesting work your pal is upto.
I have my ISP running over 11 locations accross INDIA .
U can take a note of the following equipments u`ll deffy need first hand to start your operations...
1)A minimum of 3640/3660 seris router with IOS 12.0(7)XK1 or later (i have bgp and ospf running in all my locations
2)72xx (VXR) ---optional as ur gateway router.
3) Catalyst switches --can go for 2924 XL or further more Layer 3 subject to your taste and budget and efficiency.
4)Its beter u go for a cache engine 500 series)depends on the level and amt of caching u want.
5)since you are specific to Cisco , and if u seeking a dialup market to harness...i have configured my 3620/AS5300 as PRI and E1R2 RAS with modem cards .
6) lucent structured cabling and jack panels
7)ciscoworks 2000 with switch/wan probes as my NMS
i`m sorry but cant help u with ATM and framerelay much.....
All the best to ur pal....
SM