Data Services; Mobile Station Features - Siemens M20 Terminal Technical Description

Siemens Information and Communication Products
3.2

Data services

Terminal adapter (TA) – terminal equipment (TE) interface:
RS232 compatible:
Baud rates: 300, 1200, 2400, 4800, 9600, 19200, 28800, 38400 and 57600.
No automatic baud rate adjustment. Default: 19200 (can be adjusted by AT+IPR).
Data stacks:
Transparent data/non-transparent data
On-air channels: TCH/9.6F, TCH/4.8F, TCH/2.4F.
V.42bis data compression (can be adjusted with
Transparent fax
Class 1 group 3 supported.
On-air channels: TCH/9.6F, TCH/4.8F, TCH/2.4F.
3.3

Mobile station features

1)
No Mnemonic
1 Feat_DCN
2 Feat_CPSind
3 Feat_PLMNind
4 Feat_PLMNsel
5 Feat_Keypad
6 Feat_IMEI
Version 8 dated 15.03.00
See "AT+CBST Select Bearer Service Type"
"AT+DR V.42bis data compression reporting control" on page 47
See "AT+CBST Select Bearer Service Type"
3)
Mobile station feature
Called number display
The dialled digits are shown on the terminal's dis-
play (AT command terminal or display, if connec-
ted) before signal transmission
See "AT+COLP Connected line identification presentati-
.
on"
Indication of call progress signals (in accordance
with GSM02.40)
The call progress is signalled on the display and via
audible tones after signal transmission.
Country/PLMN indication
The network operator is shown on the display after
successful logon to the PLMN (MS idle).
"AT+COPS Operator selection"
Country/PLMN selection
Automatic and manual network operator selection.
See "AT+COPS Operator selection"
Keypad
Keys are permanently assigned to their logical
functionality, i.e. programmable function keys or
soft keys are not implemented.
• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, *, # keys send key
• 4 abbreviated dialling keys are used in the
current keypad matrix
• redial/cursor up
• SMS key
• + (for settings)
• – (for settings)
IMEI – International Mobile Equipment Identity
An unique international identity code (IMEI) is
stored in the terminal. This code is individually assi-
gned to each terminal by the terminal manufacturer.
See "AT+CGSN Request product serial number identifi-
cation (IMEI) identical to GSN"
General product description M20
See "AT+IPR Set fixed local rate"
Ref.
GSM 02.07
GSM 02.07
GSM 02.07
See
.
GSM 02.07
.
GSM 02.07
GSM 02.07
.
.
.
).
.
Available Available
via AT+C via MMI
5.5.1 6.5
–
6.5.16
5.5.1 6.4
5.5.1 6.3
–
6.2
5.5.1 6.4
A
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