Anyone know anything about this company or their products ?
Introduction article to the ESI Smartphone 250, IP Android based handset in the March "Business Solutions" magazine.
http://www.esi-estech.com/products/systems/phones/featphn/
Introduction article to the ESI Smartphone 250, IP Android based handset in the March "Business Solutions" magazine.
http://www.esi-estech.com/products/systems/phones/featphn/
Phone System 