Dialing Out Using Isdn Mode Optional Speech Bearer Service; Dialing Out For Analog Adapter Port 1; Dialing Out For Analog Adapter Port 2; Manually Switching Communication Modes - NETGEAR XM128 ISDN Reference Manual

Reference Guide for the Model XM128 ISDN Digital Modem

Dialing Out Using ISDN Mode Optional Speech Bearer Service

The Model XM128 modem supports ISDN data utilizing Speech Bearer Service. To enable this
function, you need to set S-register S83 bit 7 to 1 (ATS83.7=1). This function is useful in the areas
where ISDN service providers charge lower usage rates for voice (speech) calls. To enable this
function, enter:
ATS83.7=1
To disable it, enter:
ATS83.7=0

Dialing Out for Analog Adapter Port 1

Using the A command following the ATD tells your Model XM128 modem to switch the call to
analog adapter port PHONE 1, when dialing is complete. Enter:
ATDA17146930762
Note: You must have an analog modem connected to your plain old telephone service
(POTS) port before you issue this command.

Dialing Out for Analog Adapter Port 2

Using the B command following the ATD tells your Model XM128 modem to automatically
switch the call to analog adapter port PHONE 2, when dialing is complete. Enter:
ATDB17146930762

Manually Switching Communication Modes

The manual switching function is necessary only if your communication software does not allow
you to change your dial-up string.
6-2 ISDN Overview