itunes: Here's how you can set custom ringtones to your iPhone using iTunes for Windows or Apple Music on Mac - The Economic Times
Ring Tone Maker - MP3 Cutter - Apps on Google Play
My Name Ringtone Maker - Apps on Google Play
Web-to-mobile vs Web-on-the-mobile. Index 1.Portable multimedia content 2.From “web on the mobile” to “web to mobile” 3.Application examples 4.Conclusions. - ppt download