The /etc/uucp/Dialers file must have an entry describing the conversation with the modem attached to your PPP endpoint machine. Here is a sample entry for a US Robotics V.32bis modem that is part of a PPP link:
usrv32bis-ec =,-, "" \dA\pT&FE1V1X1Q0S2=255S12=255&A1&H1&M5&B2\r\c OK\r \EATDT\T\r\c CONNECT\s14400/ARQ STTY=crtscts |
The first parameter in the entry, usrv32bis, corresponds to the last parameter in the /etc/uucp/Devices file. The remainder of the entry describes the characters that the modem sends, those that it expects to receive, and so on. Table 27-5 defines the control codes used in the Dialers file.
Be sure that an entry is in the Dialers file for the modem attached to each dial-out endpoint on your link. If you are unsure of the correct conversation for a particular modem, refer to the System Administration Guide, Volume 1 and the operating manual for the modem.