3Com 56K Making, International calls above 1200 bps, If you want your modem Command, ATB1

Making International calls 4-5

Hanging up If you want to end a connection with a remote device do the following:

1Enter Online Command Mode by typing +++

2Wait 1 second

3Type ATH

Making	You can use the ATBn, AT&Gn and ATPn commands for making analog
International calls	international calls above 1200 bps.

Handshaking options The ATBn command controls the handshake options.

.

If you want your modem	Command
To answer all V.34-type calls, as well as calls from overseas,	ATB0 (Default)
use ITU-T (formerly CCITT) answer sequence.
NOT to answer V.34-type calls. Use Bell answer tone. This	ATB1
setting selects HST modulation.

Example: Sending ATB1, will allow your modem to use Bell answer tone (selecting HST modulation).