Sim Cards; Handset - Siemens M20 Terminal Technical Description

Siemens Information and Communication Products
7.3

SIM cards

• The following services can only be implemented if they are enabled for the subscriber (multi-numbering: each
of the services has its own calling number):
1) Calling number for speech and SMS
2) Calling number for fax (and SMS)
3) Calling number for 9600 Bit/s data transfer (and SMS)
4) Calling number for 4800 Bit/s data transfer (and SMS)
5) Calling number for 2400 Bit/s data transfer (and SMS)
3 V SIM cards are available from different network operators and service providers.
7.4

Handset

Depending on the type of application, handsets can be ordered from common handset manufacturers. Information is
available from the M20 distributor.
If using one of the handset types listed below AND implementing the audio reference circuit for that handsets given in
Chapter
8.8 "Application examples and reference circuits" on page 198
If using handsets not listed below, please observe the information regarding the type approval process (see Chapter
"Getting full-type approval with the application" on page 196
Handset 1: (not shown)
Handset Siemens Gigaset
Please contact your local M20 distributor
Note: for technical data on speaker and microphone, see Chapter
Version 8 dated 15.03.00
, no additional delta type approval is necessary.
).
4.4 "Audio interface" on page 25
Peripheral devices
8.7
.
A
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