Windows Phone 7 Mango custom ringtones features detailed

Microsoft has just posted more details about the custom ringtones feature to be introduced in the upcoming Mango update for Windows Phone 7. First the new custom ringtones API that Microsoft announced back in March during the MIX11 conference. This API will allow third-party developers to to create applications that can add ringtone files to the devices. Secondly users will be able to create their own ringtones on the PC and then load them on their Windows Phone 7 device via the Zune software. The ringtones audio files will need to conform to the following specifications:

- 39 seconds or shorter
- smaller than 1 megabyte (MB)
- saved in MP3 or WMA format
- not copy-protected (i.e. DRM free)

Mango will also include 9 new ringtones in addition to the ones currently available in WP7.

source: Microsoft