4 service reporting control - +cr – Rainbow Electronics GM862-QUAD-PY User Manual
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AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 74 of 434
+CRLP - Radio Link Protocol
SELINT 0 / 1 / 2
Parameters:  
 1..61 - factory default value is 61 
 
 1..61 - default value is 61 
 
 39..255 - default value is 78 
 
 1..255 - default value is 6 
 
 0 
AT+CRLP?
Read command returns the current value of the RLP protocol parameters.
AT+CRLP=?
Test command returns supported range of values of the RLP protocol 
parameters. 
Reference GSM
07.07
3.5.4.2.4 Service Reporting Control - +CR
+CR - Service Reporting Control
SELINT 0 / 1 / 2
AT+CR=[
Set command controls whether or not intermediate result code +CR is 
returned from TA to TE. 
 
Parameter: 
 0 - disables +CR reporting (factory default) 
 1 - enables +CR reporting: the intermediate result code is transmitted at 
the point during connect negotiation at which the TA has determined 
which speed and quality of service will be used, before any error control 
or data compression reports are transmitted, and before the intermediate 
result code CONNECT is transmitted. Its format is: 
 
+CR: 
 
where: 
 ASYNC - asynchronous transparent 
 SYNC - synchronous transparent 
 REL ASYNC - asynchronous non-transparent 
 REL SYNC - synchronous non-transparent. 
 
Note: this command replaces V.25ter [14] command Modulation Reporting 
Control (+MR), which is not appropriate for use with a GSM terminal. 
AT+CR?
Read command returns whether or not intermediate result code +CR is
