Displays diagnostic information about the test for availability.
You can find more detailed help on the following messages:
No account information exists for configured region.
Failed to load RCS Configuration file.
An error occurred while trying to start PPP.
An immediate fatal error of some kind occurred, such as an essential system call failing, or running out of virtual memory.
An error was detected in processing the options given, such as two mutually exclusive options being used.
Pppd is not setuid-root and the invoking user is not root.
Pppd terminated because it was sent a SIGINT, SIGTERM or SIGHUP signal.
The serial port could not be opened.
The connect script failed (returned a non-zero exit status).
The link was established successfully and terminated because it was idle.
The link was established successfully and terminated because the connect time limit was reached.
The link was terminated because the peer is not responding to echo requests.
The link was terminated by the modem hanging up.
The PPP negotiation failed because serial loopback was detected.
We failed to authenticate ourselves to the peer.
Unable to execute the pppd program.
Pppd took too long to initiate.
Improper usage of the modem program.
Unable to initialize the modem.
Unable to reset the modem.
Unable to lock the modem.
There was a generic modem failure.
No carrier was detected on the modem.
The modem reported an internal error.
Failed to detect a dial tone.
The telephone number was busy.
The telephone number did not answer the modem.
The modem reported an unexpected failure.
Failed to detect a modem.