Ositech comm Trumpcard Data/Fax Modem User's Manual And Reference page 68

Section Four
S95 *
* Register value may be stored in one of two user profiles with the AT&Wn
command.
** Writing to bit mapped options registers, although possible, can result in
unreliable and
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Extended Result Codes
unpredictable operation.
Trumpcard 14400/28800 Modem
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