I don't think you ever need it again, but if someone else later owns the number,...

		ivank on Feb 11, 2017 \| parent \| context \| favorite \| on: Signal-cli: command-line and dbus interface to Sig... I don't think you ever need it again, but if someone else later owns the number, they could register it with Signal and you would no longer be able to send or receive Signal messages.