This practice is now very common amongst us youths, Especially Students, even married ones to their spouses, and its.
When we make calls, particularly wen we receive calls, we say

"I will Call You Back Later, Talk to You Later, We go Talk 4 Evening" and the likes, And we'll not return the call, we just deploy that to shut d call or just to quickly end the call, some myt Neva remember sef ...Most of us are guilty.