ActionTec 56K PCI Pro User Manual page 44

Result Codes:
Fn
This command determines if the modem will echo data from the DTE. This modem
does not support the F0 version of the command. However, the modem will accept
F1, which may be issued by older communication software, to assure backward com-
patibility.
Result Codes:
Hn
This command instructs the modem to go on-hook to disconnect a call, or off-hook
to make the phone line busy.
Result Codes:
Online Data Character Echo Command
Hook Control
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