im trying to get a ip phone working on a 3000 with a broadband module. i have the dsl connected to the module and off that i have the ip set. on the ip set i get dhcp discovery option 128 missing. i can plug my computer into the phone and get on the internet but i cant get the phone working. i have the dhcp turned on in the broadband unit qne voip interface changed to iplan. what am i missing.