$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on One Unlimited for iPhone (all lines on account req'd on plan), 5G Do More, 5G Play More or 5G Get More plans req'd. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req's are no longer met. See vzw.com/bring-your-own-device for details. And for a limited time, we’ll waive your activation fee when you order through vzw.com or My Verizon app. You’ll see the one time charge waived as your “Due Today” amount at checkout.
Just tested my IP phone a few minutes ago and it's WORKING. Just like that. So I went into my router config and confirmed that Verizon pushed a firmware upgrade a few weeks ago. I guess that explains it. Despite their denials, the problem was due to something in the previous firmware version.
Update -- a few weeks ago my IP Communicator started working again. Just like that. I went into my router settings and confirmed that a firmware upgrade was pushed right before the software started working again. I'd say that confirms that the previous version of the router firmware was blocking packets, despite Verizon insisting they weren't blocking anything.