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ZyXEL modem FAQ List v4.2, Nov 20 1995, Part 3 of 5 [Technical FAQs]
Section - T.28 What changes are needed for overseas calling?

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Top Document: ZyXEL modem FAQ List v4.2, Nov 20 1995, Part 3 of 5 [Technical FAQs]
Previous Document: T.27C What else do if CID/CND and EDR still doesn't work?
Next Document: T.29 What modifications are needed to S/S+ models to get the eye pattern option?
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Anees S. Munshi (asm@eecg.toronto.edu) asks:
"While making overseas calls to specfic countries, the current ZyXEL modems 
mistake the ringing tone for a busy signal and hangup. While this can be 
defeated by setting mode X3 or X1, it is nice to have busy tone detection 
on, and disable it only for specific phone numbers."

Try ONE of the changes below to prevent the problem of false busy signals:
        . disable busy detection completely with AT X2.  This is not a very 
          good solution, as ALL busy signals are then ignored.
        . set Australian short-short ring detection on with S44.7=1.  This may
          work for the country being called.
        . append a ;O (a capital "O") to the end of the phone number. 
          e.g. ATDT 1234567;O  Immediately after dialing the phone number, the 
          modem goes into command mode and then it goes into an on-line state.
  
  

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Top Document: ZyXEL modem FAQ List v4.2, Nov 20 1995, Part 3 of 5 [Technical FAQs]
Previous Document: T.27C What else do if CID/CND and EDR still doesn't work?
Next Document: T.29 What modifications are needed to S/S+ models to get the eye pattern option?

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