Ericsson T39 - Ensemble S3: GSM Data;Fax

AT Commands Modem Terminated 190
5.9.2 Unsolicited result codes
+CME Mobile Equipment Error Result
+CR Service Reporting Control
5.10.1 Commands
AT+CRLP Radio Link Protocol
Description: Produced to indicate completion of a command. Produced when the command is not
recognised, the command line maximum length is exceeded, the parameter value is
invalid, or when there are other problems with processing the command line.
Unsolicited result code:+CME: <err>
Parameter:
<err>: Numeric or verbose format. Decided by AT+CMEE.
Description: Transmitted at the point during connect negotiation at which the TA has determined
what speed and quality-of-service will be used, before any error control or data
compression reports are transmitted, and before any final result code is transmitted.
Unsolicited result code:+CR: <serv>
Parameter:
<serv>:
<type> Description
ASYNC Asynchronous transparent
SYNC Synchronous transparent
REL ASYNC Asynchronous non-transparent
REL SYNC Synchronous non-transparent
5.10 Ensemble S3: GSM Data/Fax
Description: Sets the radio link protocol parameters.
Set command: AT+CRLP=[<iws>[,<mws>[,<t1>[,<N2>[,<ver>[,<T4>]]]]]]
Read command: AT+CRLP? Displays the current parameter settings.
Read command
response:
+CRLP: <iws>,<mws>,<t1>,<N2>[,<ver1>[,<T4>]]<CR><LF>
[+CRLP: <iws>,<mws>,<t1>,<N2>[,<ver2>[,<T4>]]<CR><LF>
[...]]