Chapter 17 – Extended AT Commands in IS707.3
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 135
Error Control Selection +ESR
Description: The extended-format numeric parameter is used to control the use of selective repeat
(SREJ) option in V.42 on the PSTN link (if present in IWF). The command is not relevant for
packet service.
Values: <Val>
0: Do not use SREJ
1: Use SREJ if available in remote DCE; continue without it if not
2: Use SREJ if available in remote DCE; disconnect if SREJ is not available
Syntax: Command syntax: AT+ESR=[<Val>]
Command Possible Responses
AT+ESR?
Note: Display the current setting.
+ESR: 0
OK
Note: Command is valid
AT+ESR=1
Note: Set value to 1.
OK
Note: Command is valid
Error Control Selection +ETBM
Description: The extended-format compound parameter is used to control the handling of data remaining
in IWF buffers upon service termination. The command is not relevant for packet service.
Values: <pending_TD>
0: Discard all buffered data immediately and disconnect
1: Attempt until all data is delivered and acknowledged (ignore timer)
2: Attempt until all data is delivered and acknowledged; If timer expires, discard
remainder
<pending_RD>
0: Discard all buffered data immediately and disconnect
1: Attempt until all data is delivered (ignore timer)
2: Attempt until all data is delivered; If timer expires, discard remainder
<timer>
0-30: Deliver timer value in seconds
other: Higher values may be supported at manufacture’s option
Syntax: Command syntax: AT+ETBM=[<pending_TD>[,<pending_RD>[,<timer>]]]
Command Possible Responses
AT+ETBM?
Note: Display the current setting.
+ETBM: 0, 1, 20
OK
Note: Command is valid
AT+ETBM=1
Note: Set value to 1.
OK
Note: Command is valid
AT+ETBM?
Note: Display the current setting.
+ETBM: 1, 1, 20
OK
Note: Command is valid