JSI Tip 0502 - The Dialing Properties Country dropdown list is incomplete.

If a new (since NT 4.0) country code needs to be added, edit:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Currentversion\Telephony\Country List

From the Edit menu, Add Key and set it to the Telephone Country Code. Leave Class blank. Select this new key and Add Value for the following:

 Value Name   Type   D a t a 
 CountryCode   REG_DWORD   CountryCode (in decimal). Same as the new Key. 
 Name   REG_SZ   Country Name 
 SameAreaRule   REG_SZ   provided by telephone provider 
 LongDistanceRule   REG_SZ   provided by telephone provider 
 InternationalRule   REG_SZ   provided by telephone provider 

Reboot your computer for the new country to appear in the Country Code list.

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