Contact Us Egyptian for Intelligent Buildings (SMART). Address: 1 Khaleed Abn Elwaleed, Sheraton Heliopolis, Cairo. Tel.: + 20 22669426, Fax: + 20  22667538 Mob.:+20 18570008   ,     + 20  124044994 Email: info@smarteib.com,  URL: www.smarteib.com.