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Hi,
Problem is a code 1 error a catch all for 'It didn't work'.
You will need to look in the full asterisk log (/var/log/asterisk/full) at the lines around it and see if there are any other errors.
Is there any obvious geographical reason for the dial error?
e.g. Neighbouring area codes- try dialing without the 1 prefix, or perhaps into non AT&Tat regions- Try adding a + or whatever you use for international dialing |