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Chapter 4 - AT Commands, S-Registers, Result Codes
25
MultiModemDID User Guide
Subparameters
direction
Specifies the DTE direction of the data compression.
0 No compression.
3 Compression in both directions (default).
max_codewords_tx
Specifies the maximum number of code words to be negotiated
in the transmit direction.
1024 Default.
256–2048 Maximum number of code words in transmit direction.
max_codewords_rx
Specifies the maximum number of code words to be negotiated
in the receive direction.
1024 Default.
256–2048 Maximum number of code words in receive direction.
max_string_tx
Specifies the maximum string length to be negotiated in the
transmit direction.
255 Default.
31–255 Maximum string length in transmit direction.
max_string_rx
Specifies the maximum string length to be negotiated in the
receive direction.
255 Default.
31–255 Maximum string length in receive direction.
max_history_tx
Specifies the maximum length of the history buffer to be
negotiated in the transmit direction.
5120 Default.
512–11008 History buffer size in transmit direction.
max_history_rx
Specifies the maximum length of the history buffer to be
negotiated in the receive direction.
4096 Default.
512–11008 History buffer size in receive direction.
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.
+ES=6 Enables direct access to the synchronous data channel.
+ES=? Displays the allowed values.
+ES? Displays the current value.