Setting modem command strings

 

You can find the equivalent command string in the user manual for your modem. Use the manufacturer's suggested setting in the modem description.

Table 1. Modems defined on the system and command strings
Modem property Correct command string for most modems
Modem reset to factory defaults AT&F or AT&Z
Modem initialization:
Display Verbal Results Codes Q0 and V1
Normal CD and DTR modes &C1 and &D2
Echo mode off E0
Data Set Ready (DSR) to follow Carrier Detect &S1
Enable hardware flow control (RTS/CTS)
Enable error correction and, optionally, compression (V.42/V.42 bis)
Ensure DTE-DCE line speed is enabled to run at fixed 115.2 kbps (or the maximum allowed by the modem)
(Optional) Enable the inactivity time If the modem supports this function
Modem Answer mode:
Answer after n rings S0=n where n = 1 or 2
Disconnect if no carrier (connection) after m seconds S7=m
Modem Dial type ATDT for tone dialing or ATDP for pulse dialing

 

Parent topic:

Configuring your modem for PPP