You have no need to consider gateways when troubleshooting inbound calling.
Gateways have nothing at all to do with inbound calling, in fact for inbound calling only, you can run FusionPBX without ever defining a gateway.
Of course if call forwarding comes into play then its a different story.
Gateways have nothing at all to do with inbound calling, in fact for inbound calling only, you can run FusionPBX without ever defining a gateway.
Of course if call forwarding comes into play then its a different story.