Nokia Eseries

The Nokia Eseries consists of business-oriented smartphones running Symbian OS, with emphasis on enhanced connectivity and support for corporate e-mail push services, as well as enterprise-styled products and many featuring QWERTY keyboards.

Phones equipped with Wireless LAN also provide a VoIP client (SIP Protocol).

Throughout the series' lifetime its main competitors were BlackBerry products from Research In Motion.

[3] On May 18, 2006, Nokia announced the addition of the E50 to the series, which it refers to as a "business device" rather than a "smartphone".

[5] On April 11, 2008, Nokia Australia has advised that the E61i will be discontinued in May 2008 and be replaced by a more featured but smaller E71.