Specifications

3GPP
3GPP TS 27.007 V6.3.0 (2003-
06)
3
1
Release 6
Implementation
Mandatory when data calls implemented.
6.10 Extended error report +CEER
Table 17: +CEER action command syntax
Command
Possible response(s)
+CEER
+CEER: <report>
+CEER=?
Description
Execution command causes the TA to return one or more lines of information text <report>, determined by the MT
manufacturer, which should offer the user of the TA an extended report of the reason for
- the failure in the last unsuccessful call setup (originating or answering) or in-call modification;
- the last call release;
- the last unsuccessful GPRS attach or unsuccessful PDP context activation;
- the last GPRS detach or PDP context deactivation.
Typically, the text will consist of a single line containing the cause information given by GSM/UMTS network in
textual format.
Defined values
<report>: the total number of characters, including line terminators, in the information text shall not exceed 2041
characters.
Text shall not contain the sequence 0<CR> or OK<CR>.
Implementation
Optional.
6.11 Cellular result codes +CRC
Table 18: +CRC parameter command syntax
Command
Possible response(s)
+CRC=[<mode>]
+CRC?
+CRC: <mode>
+CRC=?
+CRC: (list of supported <mode>s)
Description
Set command controls whether or not the extended format of incoming call indication or GPRS network request for
PDP context activation or notification for VBS/VGCS calls is used. When enabled, an incoming call is indicated to the
TE with unsolicited result code +CRING: <type> instead of the normal RING.
Test command returns values supported as a compound value.
NOTE: Similar command may be found in TIA IS-99 [15] and TIA IS-135 [16].
Defined values
<mode>: