We covered YouMail back in February of last year -- it's a voicemail replacement app for iOS, which allows you to access and send voicemails completely outside of the standard voicemail interface. If you use voicemail a lot, YouMail features a lot of extra options and ways to handle all of those voicemail messages coming in.
The app's recently been updated, and among the new features included is the ability to now send voicemail messages completely within the YouMail app itself, instead of depending on a cell phone network to do so. Again, depending on your plan and your usage patterns, this could be extre