You can also record, preview, delete, and send, sounds on your phone. Go to Applications and select Sounds. Select Tones, and then select Manage. To record a sound, select New. To play a sound, select it and press Center. To delete a sound, select it and press Backspace, and to send a sound, select it and then select Send.
Want more ringtones? You can download any compatible ringtone directly to your phone (see “Downloading files from a web page” on page 89). You can also download ringtones to your computer and then email them to your phone.
Phone settings
Selecting ringtones
You can set different tones for different types of incoming phone calls and alerts.
1.Press the Phone/Send 
button.
2.Open the menus 
.
3.Select Options, and then select Sound Preferences.
4.Select the Tones box.
5.Select ringtones and alerts from any of the following pick lists:
•Known Caller Tone: An incoming call from someone in your Contacts or Favorites.
•Unknown Caller Tone: An incoming call from someone identified by caller ID who is not in your Contacts or Favorites.
•Roaming Tone: A special tone for incoming calls when you’re outside your home mobile network.
•Voicemail Tone: A new voicemail.
•Service Tone: A warning of a service change, such as moving into and out of a mobile network coverage area.
6. Select Done.