The modem is plugged in and turned on. Internal modem card is secure. Telephone cord is plugged into the correct jack on the modem. Modem is enabled and ready to recognize the AT command. Dial-in software is set up to access the same communictions port to which the modem is connected.
Telephone line is in service.
Dialing into LanRover you receive message. Check to make sure that you have selected the correct modem type in the port setup screen. Check the telephone line and bypass any internal telephone system, to be sure you aren't experiencing any telephone problems. You have connected at a lower baud rate than specified in settings. Telephone line noise has caused the modems to negotiate a connection at a lower baud rate.