I have only heard 'ping' in a data communications context.
I have never heard 'ping' used in any sense except as typed in at a CLI to determine if one system can get a response from another, and I'm extremely grateful. Were I to hear it used as an apparent substitute for "Call me", I'd probably smack the person upside the head several times a second while shouting "Ping!" until the person starts responding with response times or yells "Control C! Control C!"
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