In any modem check under NAT DMZ option. and enter your Computer's IP.Telnet commands usually access the Modem first.Are you trying to activate these units remotely ONLINE ?Give details. Mention Operating System in use. Windows 7/vista/XPsp3/LINUX etc. Usually email address is not given in forum/s to avoid spam.Please 'EDIT" your post and delete it.You can use the PM ( private message) facility available in forum.