User's Manual

25
identification.
6
AT
+CSCS
Select TE character set.
7
AT+CIMI
Request international mobile
subscriber identity.
8
AT+GCAP
Request overall capabilities.
9
AT+CATR
Configure URC destination interface.
10
A/
Repeat last command.
11
AT+CFGRI
Indicate RI when using URC.
B. Call Control Commands
Syntax
Expect Result
Description
1
AT+CSTA
Select type of address.
2
AT+CMOD
Call mode.
3
ATD
Dial command.
4
ATD><mem><n>
Originate call from specified
memory.
5
ATD><n>
Originate call from active memory
(1).
6
A
TD><str>
Originate call from active memory
(2).
7
ATA
Call answer.
8
+++
Switch from data mode to command
mode.
9
ATO
Switch from command mode to data
mode.
10
AT+CVHU
Voice hang up control.
11
ATH
Disconnect existing call.
12
AT+CHUP
Hang up
call.
13
AT+CBST
Select bearer service type.
14
AT+CRLP
Radio link protocol.
15
AT+CR
Service reporting control.
16
AT+CEER
Extended error report.
17
AT+CRC
Cellular result codes.
18
AT+VTS
DTMF and tone generation.
19
AT+CLVL
Loudspeaker vol
ume level.
20
AT+VMUTE
Speaker mute control.
21
AT+CMUT
Microphone mute control.
22
AT+AUTOANSWER
Automatic answer quickly.
23
ATS0
Automatic answer.
24
AT+CALM
Alert sound mode.
25
AT+CRSL
Ringer sound level.
26
AT+CSDVC
Switch voice channel
device.
27
AT+CPTONE
Play tone.