Appropriate other Group Phone PBX Software Main function: Supports Windows98/me/nt/2000/xp/ operation system,Simple Chinese ,English and Traditional Chinese ... on to have a query,Stat.,Compositor,Print.The system can auto to backup the data each month ,so ... EXCEL,TXT,Hotel management software form . Appropriate domestic Group phone ,PBX, Charge machine.You can choose the Panasonic,SIEMENS,SAMSUNG, ...