2.2.86 MAX_FAX_STRING_LEN

The MAX_FAX_STRING_LEN constant defines the maximum number of characters that the client can use for null-terminated character strings sent in structure fields or method call parameters. This constant is used in data types such as FAX_PORT_INFO_EXW (section 2.2.45) and method calls such as FAX_RegisterServiceProviderEx (section 3.1.4.1.69).

 #define MAX_FAX_STRING_LEN 253