Siemens TC37 Module At Command Reference page 88

AT Command Set
Command
1
ATS6 )
1
ATS7 )
1
ATS8 )
1
ATS10 )
1
ATS18 )
AT\Q<n>
ATZ
1
)
Siemens GSM engines support the registers S0 - S29. You can change S0, S3, S4, S5, S6, S7,S8,
S10 and S18 using the related ATSn commands (see starting from pg. 27). The other registers are
read-only and for internal use only!
Table 7: Summary of AT commands with different behaviour in Multiplex mode
Command Description
AT\Q<n> It is recommended to use hardware flow control (AT\Q3). XON/XOFF
flow control (AT\Q1) is not supported in Multiplex mode
ATH Terminates any call in progress, no matter what channel was used to
enter ATH
AT&V Different default configurations on channels 1, 2 and 3
AT+IPR Before you start Multiplex mode, it is recommended to set the ME to
57600 bps, especially if you want to use all the three channels. Once
it is activated, the bitrate on channels 2 + 3 should be set to 19200
bps.
Minimum bit rate in Multiplex mode: 4.8 kbps
AT+IPR=0 Autobauding is not compatible with Multiplex mode. It is neither
possible to start MUX when autobauding is active, nor to set
autobauding during Multiplex mode.
AT+CALA Alarm calls can be separately configured on each channel. The read
command returns the total number of alarm calls activated on all
channels.
AT+CBST 14400 bps bearer capabilities are not available in Multiplex mode.
Incoming calls are negotiated at 9600bps. If multiplex mode is active,
the bearer capability automatically switches to +CBST=7,0,1.
AT+CMEE Presentation mode can be separately configured for each channel.
AT+CNMA If Multiplex mode is activated the +CNMI parameter will be set to zero
on all channels, if one channel fails to acknowledge an incoming
message within the required time.
AT+CNMI Phase 2+ parameters can only be used on one channel. The
parameter for <mt> and <ds> on the other channels have to be set to
zero.
If either a SM or a Status Report is not acknowledged, all +CNMI
parameter will be set to zero on all channels.
TC3X_ATC_01_V04.00
Behaviour on channel 1
as described
as described
as described
as described
as described
as described
as described
Page 88 of 204
Differences on channel 2+3
not usable
not usable
not usable
not usable
not usable
not usable
data call parameters not changed
Chapter
2.3
2.12
2.38
2.46
2.46.1
4.2
4.5
4.22
5.9
5.10
29.05.2002