Article ID: 327517 - View products that this article applies to.
This article was previously published under Q327517
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/EN-US/ )Description of the Microsoft Windows Registry
Per ITU-T Operational Bulletin 751, the Czech Republic (country code +420) announced that effective September 22, 2002, the Czech Republic will change to a flat nationwide numbering plan without city codes. The "0" long-distance prefix will no longer be used. This article describes how to configure Windows 98, Windows NT 4.0, Windows 2000, and Windows XP to reflect this change. This change has already been made in Windows XP Service Pack 1 (SP1)
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To reflect the dialing change on a computer that is running Windows 98, Windows NT 4.0, Windows 2000, or Windows XP, use the following procedure to change the REG_SZ LongDistanceRule value from "0FG" to "G". Follow these steps, and then quit Registry Editor:
For additional information about the telephone registry entries and theTelephon.ini file, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/231769/EN-US/ )Unable to Dial Alternate Provider Numbers in France
(http://support.microsoft.com/kb/180408/EN-US/ )Country Does Not Appear in Telephony Country Code List
Article ID: 327517 - Last Review: February 1, 2007 - Revision: 2.4
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