Finally heard from support... they reset everything, had me reset everything (including removing the SIM card), and now it's working... unfortunately, no-one will ever know how many texts may have been lost the past 34 hours, as senders would not rec...
I should have mentioned that I submitted a ticket after waiting the recommended five hours after porting the service... it's now about 23 hours after porting, and still no SMS or voicemail... (and still no technical support, of course... If it doesn'...
Ported phone service yesterday... phone calls and data work fine... no Texts go through (either in or out) - and the sender never receives notification that the text never got through - and no Voicemail feature - just the 1UM1 error... This needs to ...