901	Dialer
902	Phone Dialer
940	An internal error occurred in Phone Dialer.\nQuit and restart Phone Dialer.
941	There was not enough memory to continue.\nQuit one or more programs, and then try again.
942	Windows Telephony was unable to complete an operation requested by Phone Dialer.\nQuit and restart Phone Dialer.
943	Phone Dialer was unable to find a telephone device or modem to use to dial voice calls.\nIn Control Panel, double-click the Modems icon to install a modem, or install another telephone device to use for dialing calls.
945	The specified phone number either contains invalid characters, or is incorrectly formatted.\nClick on the number box with the right mouse button to see more information.
949	One or more telephone device drivers are incompatible with TAPI.DLL.\nInstall an updated version.
950	The specified phone number cannot be dialed on the selected line device because it is blocked at the telephone switch.
952	The billing information specified as part of the phone number has been rejected.\nCheck to make sure you've entered it correctly, and then try again.
956	Another program is using the selected Telephony device.\nTry again after the other program completes.
977	Warning
978	Using your current location and calling card selection, dialing this number could result in a emergency services call to 911.  Are you sure you want to dial this call ?
979	Your preferred device selection is not available.  A new device has been selected by default.  If you wish to change the selection use the 'Connect Using' option under the 'Tools' menu
1013	Configuration information relating to Telephony services appears to be corrupt.\nPlease check the configuration of telephone devices in the control panel.
1014	One of the components of the Telephony device driver is missing.\nUse the Control Panel to set up the driver properly.
1016	The selected device has been removed from your computer. Please select a different device for dialing.
1020	You have two copies of the same Telephony driver installed.\nUse the Control Panel to remove one of the copies.
1545	The call was rejected by the called party.
1546	The called number is busy.
1547	There was no answer.
1548	The call cannot be completed as dialed.
1549	The call failed due to network congestion.
1550	Equipment at the called number is incompatible with your equipment.
1551	The Telephony device driver is unable to respond to your request at this time.
1552	Phone Dialer cannot successfully start.\nQuit all other telephony programs, and then try again.
1553	Your call was cancelled because the Telephony device driver closed the line.
1554	A dial tone was not detected. Please check your telephone cable connections, and be sure the line is not in use by someone else.
1555	The country code you entered is invalid.\nPlease check the phone number again.