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66
Command: +ES=
n
Enable Synchronous Buffered Mode
Values:
n
= 6
Default: None
Description: Allows an H.324 video application direct access
to the synchronous data channel. On underflow,
the modem sends HDLC flag idle (0x7E) to the
remote modem.·This special error control mode
is overridden by any of the following commands:
&F
,
&M
,
&Q
, or
\N
.
AT+ES=? shows the only allowed value.
AT+ES? shows the current value.
Command: #CBA
n
Callback Attempts
Values:
n
= 1–255
Default: 4
Description: Sets the number of callback attempts that are
allowed after passwords have been exchanged
between modems.·
Command: #CBD
n
Callback Delay
Values:
n
= 0–255
Default: 15
Description: Sets the length of time (in seconds) that the mo-
dem waits before calling back the remote modem.
Command: #CBF? Callback Failed Attempts Display
Values: n/a
Default: n/a
Description: Requests the number of failed callback pass-
words since reset or power-up. This number can
be stored to nonvolatile memory using the
&W
command.