Well, I am no expert on this, but you can try downloading some polyphonic ringtones and see how well they work. alot of site with free ring tones out there.
not sure what you have as far as Mono Or Polyphonic ringtones or?
http://www.mp3towav.org/Mobile-Music...ic/help-13.asp http://www.mp3towav.org/
Samsung E-105
"Compatible with T-Mobile GSM cell phone service, the Samsung E105 phone features a full color screen, advanced text messaging, Web-compatibility, and more.
Using the e105's 128 x 160 pixel, 65K UFB (ultra fine and bright) display, you can view browse the Internet, view pictures, and play games in full color. Its external display (96 x 64 pixel grayscale) lets you check your caller ID before you open the phone. wireless Web access when you connect the e105 to your laptop.
The e105 lets you send multimedia messages. You can include photos, animations, and even sound with your text messages with the e105's enhanced messaging service. AOL subscribers can also send instant messages in real time using AOL's Instant Messenger. You just get online, then access your AOL Buddy List to see who else is on the Net with you.
The e105 also supports downloadable Java games, audio clips, polyphonic (up to 40 tones per note) ring tones, screen wallpaper, and more. Then, when you need to get down to business, the e105 can help you get organized, with built-in tools such as a calendar, to-do list, alarm, calculator, and currency exchange calculator.
This dual band (1900/900 MHz digital) phone measures 3.2 x 1.3 x .8 inches and weighs 2.6 oz. Fully charged, the manufacturer rates talk time at up to 4 hours and standby time at up to 7.5 days."
your other phone T720i has polyphonic features and has some cool features:
http://www.ringnow.com/Specs/Motorol...ringtones.html