There can be other AFC providers in future. But as for now Cambium will work with Qualcomm only.
Unfortunately, Qualcomm server does not allow ICMP. It is deployed in cloud. So has to be very reliable. As for now, we have no user friendly methods other then test radio’s Internet access in general. Our engineers also can test it trying https request from root CLI.
Also, please, check our new FAQ regarding AFC deployments!