Reference:
I373W
The IS-SOFT is proprietary Aiphone software that can be installed on a PC running Windows XP, Windows Vista, or Windows 7 (one seat license per PC). The PC with the installed IS-SOFT software may connect directly to a network allowing for communication with any IS-IPDV, IS-IPDVF, IS-IPMV, or any station connected to an IS-IPC on a network.