Hi,2801 with AC-IP power, PVDM2-8 (c2801-advipservicesk9-mz.124-7a.bin) is being used at branch office.They have four slots:slot0: vic2-2fxo (for local call, 911, srst)slot1: HWIC-4ESW-POE (IP Phones)slot2: WIC-1DSU-T1-V2 (T1 internet)slot3: HWIC-4ES...