Here is what Eric Hautala, GM, Customer Experience Engineering posted in windowsteamblog.com:
"...customers of Vodafone, Orange, and Deutsche Telekom in Europe will start seeing notifications for a new Windows Phone service release called 7740 that fixes an issue with new voice mail notifications not appearing for customers on some European and Asian networks under certain conditions. It also fixes an email issue associated with Exchange Server 2003. This service release is being assessed by other mobile operators. "
He also provides a link for more information.
Cheers!
"...customers of Vodafone, Orange, and Deutsche Telekom in Europe will start seeing notifications for a new Windows Phone service release called 7740 that fixes an issue with new voice mail notifications not appearing for customers on some European and Asian networks under certain conditions. It also fixes an email issue associated with Exchange Server 2003. This service release is being assessed by other mobile operators. "
He also provides a link for more information.
Cheers!