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.
