User's Manual

Telit TRIZIUM Product Description
80264ST10007a Rev. 4– 09/09/04
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 63 of 202
5.3.5 Compression control
5.3.5.1 +DS - set data compression
+DS – set data compression
Execute command
Read command
AT+DS?
Returns current value of the data compression parameter.
Write command
AT+DS = <n>
Sets the V42 compression parameter.
Parameter:
<n> = 0 - no compression
n> = 1 - compression enabled
Note: The only value supported is 0 - no compression
Test command
AT+DS=?
Returns all supported values of the parameter n
Example
Reference V25ter
SW release Version A
5.3.5.2 +DR - data compression reporting
+DR – data compression reporting
Execute command
Read command
Write command
AT+DR = <n>
Controls the data compression reporting upon connection.
Parameter:
<n> = 0 no data compression reporting is displayed at the connection
<n> = 1 a data compression report message is sent by the device upon connection
Test command
Example
Reference V25ter
SW release Version A