Nokia has strengthened Eseries family of business devices today with the announcement of the Nokia E50 mobile phone.

The thinnest Nokia Eseries quad-band phone to date, the Nokia E50 supports GSM networks worldwide and promises users up to six hours of talk time,

The new Nokia E50 sports a classic Nokia design and will allow users to have two phone numbers in one phone. Other features include an MP3 player and optional 1.3 mega pixel camera.

Built on S60 3rd edition smartphone platform, which is now in other 100 devices, the Nokia E50 supports popular corporate mobile email solutions, including Intellisync Wireless Email by Nokia, BlackBerry Connect, Visto Mobile, Altexia, and Microsoft ActiveSync.

The Nokia E50 also comes with a set of pre-installed business applications that promise to help increase the productivity of mobile professionals.

Nokia has not yet confirmed when the phone will be commercially available.

We will keep you posted.