Hi all T630 people,
Alberto was so kind and sent me packages for Sonny Ericcsson T610 or T630 phones. I still didnt have chance to try them, so it's on you to give a try. Download from:

http://freewap.cz/wap/psonek/TelnetFloyd-T630-1.1.jad
or sources
http://phoenix.inf.upol.cz/~polakr/TelnetFloyd-T630-1.1.zip

Very important README is at:
http://phoenix.inf.upol.cz/~polakr/README-T630.txt

Thanks Alberto!
Radek