What do you need to change the RING MELODY of your phone:

• Interface to connect the phone to PC with RS232 connection(supported by asim)
• Software ASIM(preference V.4.0)
• File created by Janus(thanks Janus)
• Enable bit flag number 278 with metod ppp278p1p then OK

You can find many rings melody here:

http://www1060.l4.xodox.com/