Nokia Multimedia Converter 2.0, including an enhanced user interface and support for 128 kbps video bit stream, is a tool for converting common multimedia files (such as AVI, WAV, MPEG, and MP3) into standard 3GPP/AMR, H.263, wideband-, and narrow-band-AMR-supported formats for use in mobile phone applications such as MMS. Original and converted multimedia and 3GPP/AMR formats can be played on a PC
[img]http://www.geocities.com/d3fault_mail/nokia_multimedia_convertor_2.0.jpg[/img]
http://www.forum.nokia.com/main/0,6566,034-63,00.html

А как скачивать? Надо рег-ся что-ли?

здесь очень много amr !!!