Chapter 3: AT Commands Reference
June 30, 2008 AT Commands Reference Manual 3-461
+CGATT V gprs V V Yes
+CGQRE
QV gprs V Yes
+CRC V V V Yes PCHS
+CRING V V V Yes
RING -
CSD Call
(data/fax)
V csd V Yes
RING -
Voi ce Ca ll VYes
RING -
MT GPRS
Alert
Also not
supported
by the
network
No
D*99# V V gprs GPRS
External Yes
D Voice
Call VYes
D CSD
Call V csd V Yes
Note: RING Alert: When the call type is unrecognized, it is considered as a voice call.
In such a case, RING will be sent to IDLC-2 only.
When IDLC-1 (External modem) is active, no operation should be made in
IDLC-3 and IDLC-4. When IDLC-3 or IDLC-4 are active, no operation should
be made in IDLC-1.
In the case of a 2-channel configuration (IDLC1 = External modem + GPRS +
CSD; IDLC2 = AT and VC), the IDLC-1 commands that are allowed comprises
the combination of the above DLC-1, IDLC-3 and IDLC-4 columns.
Table 3-292: AT Commands Limitations for 4-Channel Configuration (Cont.)
IDLC-1 IDLC-2 IDLC-3 IDLC-4
Comment PREMUX
Support Profile
Definition
External AT +
Voice Call
+ SMS