US Robotics COURIER - Suppressing Auto Answer; Points to Remember; International Calls; Handshaking Options (Bn)

COURIER HIGH SPEED MODEMS
ATS0=1 <Enter>
When the modem senses a call coming in, it sends the result
code RING to your screen, goes off hook, and sends the remote
modem a high-pitched answer tone. If there is no Carrier Detect
within 60 seconds, the modem hangs up. If the connection is
made, the modem sends a CONNECT result code. When the call
is
disconnected by you or the remote user, the modem hangs up
and returns the NO CARRIER code.
Suppressing Auto Answer
To disable Auto Answer, reverse Steps 1 or 2 above. Set DIP
switch 5 ON before powering on the modem or set the modem
to answer on zero rings:
ATSO=O <Enter>
Points to Remember
1. If the modem is attached to a computer, you can set the
modem to receive calls when you're not at your computer.
Load your communications software as you normally do,
and set the modem to Auto Answer. Also set your
software's file-save function to save incoming messages
and/ or files.
2. If you've attached your phone so it can be used for con-
ventional calls, disable Auto Answer when you are not
expecting incoming data calls. Otherwise, your modem may
answer the phone before you do, greeting a voice caller with
a high-pitched, irritating answer tone.
INTERNATIONAL CALLS
There are three commands that apply to international calls at
1200 bps and above.
NOTE: To call or answer overseas modems at 300 bps, set the
modem to CCITT V.21 mode. See Register S27 in Appendix B.
Handshaking Options (Bn)
This command is used primarily to select HST or V.32 bis
operation. However, to answer international calls, use the BO
setting, as described in the following.
6-12 Asynchronous Operations
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