Comtrol AT Command Set Rev A - Manual (Page 114)

AT Commands Reference Manual
Conexant 100722B
3-88
3.2.11 FastConnect Commands
$F – FastConnect Control
This command allows configuring of the client modem to connect to a central site modem
that supports non-standard V.22 and V.22 bis FastConnect protocols.
Syntax
$F<n>
Defined Values
<n> Decimal number which specifies the initial requested mode of
operation when the modem is operating as the originator. The
options are:
0 Normal connection (Default)
1 FastConnect without answer tone
2 Reserved
3 FastConnect with answer tone