How to convert RTTTL to Midi and Midi to RTTTL?

Hi
i want to convert RTTTL to Midi and Midi to RTTTL .

First write "RTTTL" into

First write "RTTTL" into "Search" box and press Enter.

http://www.2p.cz/en/node/1198

But i see this topice

I see this topic but i need a delphi program and can not found any MID2RTTL by nokia , only i found a program that is writed in PHP