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 Dial string looks right but still no dialing
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KnowledgeBase

296 Posts

Posted - 26 Feb 2002 :  14:43:07  Show Profile
Q: The dial string seems correct, but my external modem does not seem to dial out.

When CE dials out, it performs an "ATZ" to restore Stored Profile 0 of the modem. It then waits for an "OK" to continue. If the modem settings have result codes turned off, CE won't get the response it expects.

If your external modem is not dialing out, configure your modem with the following command (a direct connection from your PC using Hyperterminal is easiest):


"AT Q0 V1 E1 &C0 &D0 M1 &W0"
where

Q0 enables result codes
V1 turns on verbose mode ("OK" vs. "0")
E1 echoes commands
&C0 forces DCD ON
&D0 interprets DTR on to off per &Q9
M1 leaves speaker on until connected
&W0 saves the above settings to Stored Profile 0


"&C0 &D0" tell the modem that the CE device does not use the DTR/DSR lines. For ADS serial ports that have DTR and DSR available, you can use the settings "&C1 &D2".

Edited by akidder 24-May-2002: Clarify that &W0 saves to Stored Profile 0, not 1. Remove statement that says E0 is ok to use, as CE seems to expect verbose messages.
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