If you want to use your own custom driver name, then you will have to modify the odbcinst.ini file to include more driver names.
Below is a sample odbcinst.ini file with a custom driver name for a 17.20 driver. The bold font indicates what is added to the odbcinst.ini file for the custom driver.
[ODBC DRIVERS] Teradata=Installed Custom Driver=Installed [Teradata] Driver=/opt/teradata/client/17.20/lib/tdataodbc_sb32.so APILevel=CORE ConnectFunctions=YYY DriverODBCVer=3.51 SQLLevel=1 [Custom Driver] Driver=/opt/teradata/client/17.20/lib/tdataodbc_sb32.so APILevel=CORE ConnectFunctions=YYY DriverODBCVer=3.51 SQLLevel=1
*** 32bit version: *** [ODBC Drivers] Teradata Database ODBC Driver 17.20=Installed [Teradata Database ODBC Driver 17.20] Description=Teradata Database ODBC Driver 17.20 Driver=/opt/teradata/client/17.20/lib/tdataodbc_sb32.so *** 64bit version: *** [ODBC Drivers] Teradata Database ODBC Driver 17.20=Installed [Teradata Database ODBC Driver 17.20] Description=Teradata Database ODBC Driver 17.20 Driver=/opt/teradata/client/17.20/lib64/tdataodbc_sb64.so