Digicom PALLADIO ISDN User Manual page 47

PALLADIO ISDN
ATTENTION
The MultiSubscriber is an option feature: verify with your Telecom operator to enable it.
*S Subaddress function
The Subaddressing mode allows the identification of the 8 ISDN modem
connected to the same BRI interface for the multinumber. This feature is
managed only by the local and remote ISDN modem. The ISDN network
only allows for the delivery of the subaddress field.
The called ISDN modem send telephone number followed the Subaddress
field (ATDnnn+sss where "nnn" is the telephone number and "sss" is the
Subaddress field with a maximum of 4 alphanumeric characters); the calling
ISDN modem compares the received Subaddress to the stored Subaddress.
If there's a match then it answer the call, otherwise it does not.
In order for this feature to work, both the originator and the receiver ISDN
modem must have their Subaddres feature enable.
*S0 Subaddress function disable
*S1 Subaddress function enable
To insert the Subaddress field into ISDN modem, please make reference to
the AT!N3 command.
%A2 Define the protocol type
Define the rate adaption protocol to be used on the B channel
%A2=1 V.110 protocol.
%A2=2 V.120 protocol.
%A2=5 PPP protocol at 64Kbps
%A2=6 MLPPP protocol at 128Kbps
%A3 Select Data Channel
%A3=2 Preferred B1 channel. If busy, ISDN modem try to use the B2
channel
%A3=3 Forced B1 channel. If busy, ISDN modem hangs-up the
communication
%A3=4 Preferred B2 channel. If busy, ISDN modem try to use the B1
channel
%A3=5 Forced B2 channel. If busy, ISDN modem hangs-up the
communication
7.9
AT Command Set
Default=*M0
Default=*S0
Default=%A2=1
Default=%A3=2