Longman Dictionary of Contemporary English
The Collaborative International Dictionary
face time \face" time`\ (f[=a]s" t[imac]m`), n. Time spent speaking with a person face-to-face; -- contrasted with time spent communicating by electronic media, such as telephone or e-mail, or via written communications; as, the chief of staff has the most face time with the president.
Wiktionary
n. time spent in visual communication with another party (as opposed to communication over the phone, via e-mail, via IRC, and so on).
Wikipedia
Face time is an English idiom for direct personal interaction or contact between two or more people at the same time and physical location. Face time therefore occurs in " real life" and contrasts primarily with interaction or contact which occurs over distance (e.g., via telephone) and/or electronically (e.g., via email, instant messaging, e-commerce, social media, or computer simulations).
The term was originally a colloquialism but has entered the vernacular with the increasing number of people throughout the world who commonly and extensively rely on telecommunications and the Internet for personal and business communication.