The economical zoom model 5801 and model 5802 voice over ip telephone adapters allow standard analog telephones to make and receive calls over a broadband internet connection simply plug a conventional or cordless phone into the adapter and then plug the telephone adapter into a broadband connected router or internet gateway up to five and often more attached phones can be rung simultaneously using the built in ring generator the model 5801 and model 5802 support industry standard sessi