
COURIER HIGH SPEED MODEMS
DIP Switch 9 Response to +++
OFF | Modem goes on hook (hangs up), sends NO  | 
  | CARRIER result code (factory setting)  | 
ON  | Modem maintains connection   | 
  | mode), sends OK result code  | 
The factory setting (OFF) forces an automatic disconnect when you issue +++. An advantage of this is that you are not likely to inadvertently run up an 
Set DIP switch 9 ON if you want the modem to respond to +++
by entering 
>If you know the modem you are calling is frequently busy, include the Repeat command in the Dial string, as follows:
AT > DT 1234567 <Enter> or
AT DT 1234567 > <Enter>
The modem enters Repeat mode, dials the number, waits 60 seconds for a carrier (default), and hangs up. Then after a two- second pause, it redials.
The cycle continues until the modems connect or the modem reaches a maximum of 10 attempts.
AForce Answer mode when the modem hasn't received an incoming call.
A/  | |
  | prefix or a Carriage Return, and can be used to redial.  | 
A>  | This command combines the features of both the A/ and >  | 
  | commands. The modem enters Repeat mode and redials the  | 
  | Dial string in the command buffer. Like the A/ command, A>  | 
  | does not take the AT prefix or a Carriage Return.  | 
AT  | Attention command prefix. Use AT alone to test for the OK  | 
  | result code. AT must prefix all commands except A/, A> and  | 
  | +++.  | 
Any  | Terminate the current dialing operation resulting from an  | 
key  | issued Dial command; terminate Repeat mode (> or A>).  | 
Alphabetical Command Summary