This Forum Beta is ONLY for registered owners of D-Link products in the USA for which we have created boards at this time.
Many thanks for your fast reply FurryNutz....This device bought from market since 4 years and my ISP do not have any support for the modems, they just provide us with the service and it's out issue to choose from market the right modem to use...any way I will try the phone as your advice
http://www.dlink.ir/downloads/Products/ADSL/DSL-2750U%20HW%20C1/Firmware/