Hyderabad: Zoom Technologies has implemented a WAN connectivity solution for the AP Stamps and Registration Department connecting 22 locations on a pilot scale basis. The solution, which the company claims is cost-effective, has been implemented using ISDN connection at a total cost of Rs.11 lakh connecting 22 locations to the departments centralised database server. "The traditional leased line connectivity at 22 locations could have cost more than Rs.75 lakh with 44 pairs of modems and 22 routers, " the company's Sales and Marketing Director, M H Noble told a press conference here. He said teh ISDN based solution using 128-bit encryption facality costs one-tenth of a solution using the leased line connectivity.