Bria Registers and Unregisters rapidly

I’m having a strange thing happen with one of my extensions using the Bria Softphone. I’m not able to reproduce it on my phone, but I’ve got logs of it happening. I don’t have a great understanding of the whole “contacts” thing in PJSIP, but I feel like it is has to do with what I’m experiencing.

The problem device is an iPhone.
We’re using Bria’s push service, I think with the “single device emulation” setting.
The extension is PJSIP.
We’re on asterisk 16.0.0 (does anyone know how to upgrade to the smaller revisions?)

Is the app just registering and immediately deciding to unregister?
Could it be related to using Bria’s push service, and switching between registering with their servers and the cell-phone?

These are the logs, I just am a little confused what exactly is happening. (Also, notice that all of this happens in the same second):

[2019-03-29 12:45:17] VERBOSE[10223] res_pjsip_registrar.c: Added contact 'sip:[email protected]:52179;rinstance=d78ed050b6df9234' to AOR '302' with expiration of 900 seconds
[2019-03-29 12:45:17] VERBOSE[15774] res_pjsip_registrar.c: Removed contact 'sip:[email protected]:52179;rinstance=d78ed050b6df9234' from AOR '302' due to request
[2019-03-29 12:45:17] VERBOSE[22760] res_pjsip/pjsip_options.c: Contact 302/sip:[email protected]:52179;rinstance=d78ed050b6df9234 has been deleted
[2019-03-29 12:45:17] VERBOSE[9370] res_pjsip_registrar.c: Added contact 'sip:[email protected]:52179;rinstance=d78ed050b6df9234' to AOR '302' with expiration of 900 seconds
[2019-03-29 12:45:17] VERBOSE[16795] res_pjsip/pjsip_configuration.c: Endpoint 302 is now Reachable
[2019-03-29 12:45:17] VERBOSE[16795] res_pjsip/pjsip_options.c: Contact 302/sip:[email protected]:52179;rinstance=d78ed050b6df9234 is now Reachable.  RTT: 39.877 msec
[2019-03-29 12:45:17] VERBOSE[7973] res_pjsip_registrar.c: Removed contact 'sip:[email protected]:52179;rinstance=d78ed050b6df9234' from AOR '302' due to request
[2019-03-29 12:45:17] VERBOSE[2893] res_pjsip/pjsip_options.c: Contact 302/sip:[email protected]:52179;rinstance=d78ed050b6df9234 has been deleted
[2019-03-29 12:45:17] VERBOSE[2893] res_pjsip/pjsip_configuration.c: Endpoint 302 is now Unreachable
[2019-03-29 12:45:17] VERBOSE[2405] res_pjsip_registrar.c: Added contact 'sip:[email protected]:52179;rinstance=d78ed050b6df9234' to AOR '302' with expiration of 900 seconds
[2019-03-29 12:45:17] VERBOSE[26590] res_pjsip/pjsip_configuration.c: Endpoint 302 is now Reachable
[2019-03-29 12:45:17] VERBOSE[26590] res_pjsip/pjsip_options.c: Contact 302/sip:[email protected]:52179;rinstance=d78ed050b6df9234 is now Reachable.  RTT: 38.229 msec

I think you might be seeing a problem with NAT

You have check that your remote end can got messages from asterisk and that is answers correctly. To check this, turn on SIP DEBUG for your channel driver (PJ-SIP, in this case) and watch the interaction.

Go to Admin -> Updates -> System

Or from the CLI use yum update

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