DTMF and SMS functions in dependence of the modem and telephone type

FAQ #100221

With analogue, ISDN and GSM modems and telephones quite a lot of combinations are possible, but what functions are supported? The following table gives you the necessary information:



Telephone/Modem Type Supported Function
PCD side PC / Telephone side   DTMF PCD sends SMS / Pager Message PCD receives SMS PGU connection
Analogue Analogue   -
Analogue ISDN   (●)1) - (●)2)
Analogue GSM   - (●)3)
ISDN (T850) Analogue   - - -
ISDN (T850) ISDN   - -
ISDN (T850) GSM   - - (●)3)
GSM (TC 35) Analogue   -
GSM (TC 35) ISDN   -
GSM (TC 35) GSM   -


1) some ISDN telephones have to be put in DTMF mode when the connection is established

2) only if the ISDN modem supports analogue protocols (rather rare)

3) theoretically possible, but not tested



PCD2 / Txxx

PG5 2.0 / Modem

Last update: 25.05.2015 03:50

First release: 16.09.2004 15:02

Views: 2299

The requested software / document is no longer marketed by Saia-Burgess Controls AG and without technical support. It is an older software version which can be operated only on certain now no longer commercially available products.