Siemens M20 Terminal User Manual

AT command interface
Version 8 dated 15.03.00 47
Siemens Information and Communication Products
A
AT+DR V.42bis data compression reporting control
Test command
AT+DR=?
Response
+DR: (list of supported <value>s) OK
Parameter
see set command
Read command
AT+DR?
Response
+DR: <value> OK
Parameter
see set command
Set command
AT+DR=<value
Response
This parameter setting determines whether or not the intermediate result code of the current data
compression is reported by TA to TE after a connection setup.
OK
Parameter
<value> 0 reporting disabled
1 reporting enabled
Intermediate result code
+DR: <type>
Note:
reported at call setup
Parameter
<type> NONE data compression is not in use
V42B Rec. V42bis is in use in both directions
B42B RD Rec. V42bis is in use in receive direction only
B42B TD Rec. V42bis is in use in transmit direction only
Reference
V.25ter
Note

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English