Toktumi is warning all all iPhone, iPod touch and iPad users with the handy VoIP app Line2 installed to avoid upgrading to the coming-any-day-now iOS 4.2.
According to an email sent to registered users today, users who run Line2 in the background after upgrading to iOS 4.2 may have trouble with the ringer. Specifically, it will continue to ring even after an incoming call is answered.
Line2 adds a second line to your iPhone that works over 3G and Wi-Fi. It also allows for unlimited texting in the U.S. and Canada. International text messages cost US$0.10 each. Tokutumi notes that Apple Developer Support has been made aware of this issue with the 4.2 release candidates. However, as of the most recent iOS gold master build, it's still a problem.
Of course, Line2 will
