I have absolutely no idea! In a cell phone context, I suspect it would contrast with airtime inbound. Not knowing how they work, I can only assume there's some central device which relays the call from the sender to the receiver.
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What does airtime outbound mean?I have absolutely no idea!
In a cell phone context, I suspect it would contrast with airtime inbound.
Not knowing how they work, I can only assume there's some central device which relays the call from the sender to the receiver.
"In" and "out" would be with respect to