0x00001B64
ERROR_CTX_MODEM_RESPONSE_TIMEOUT
The modem did not respond to the command sent to it. Verify that the modem is properly cabled and powered on.
win32decimal 7012
Matched as: the code as given (hex)
Log a case with no specific solution
Source: System Error Codes (6000-8199) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09