not registering SIP & loosing SIP-Data on reboot



we just bought a 3611 for testing purposes.
Unfortunally, the device will not register with our IP-PBX (asterisk-cloudbased).
We tried every possible configuration, but still no function.
On reboot, the device looses only the provided SIP-data and comes back with empty fields.
The installed software is
I made up a ticket for this as well.


What do you mean by “provided SIP-data”?

What about “before” reboot?

Shouldn’t this post be under BUGS?