npub1dl06erjt4wemcge459j8u5a95d6kdqwl46s5harf3takdwhwedqs5f49nf (npub1dl0…49nf) The old one also required you to have a real iOS device with a SIM card in it to use it with a number. Beeper Mini did not.
If they manage to get a real RCS system up and running though...