VoIP Emergency Number configuration setting
Two versions of this setting are available. Refer to the descriptions in the BlackBerry Administration Service to determine which version of this setting is appropriate for the BlackBerry devices in your organization. One version of the setting is valid for BlackBerry® Device Software versions 4.0.0 to 188.8.131.52 only and you must configure it as an integer. The other version of the setting is valid for BlackBerry Device Software versions 4.0.1 and later and you must configure it as a string.