arthurhh:
BarTender: But it is a double NAT.
NAT 1 is LAN to Spark Mobile WAN. You get assigned a CGNAT 100.64.0.0/12 IP address. Which you have control over to port forward.
NAT 2 is Spark CGNAT to internet. You have no control over it and no ability to pinhole a port.
So unless you can pinhole on #2 there is no point talking about #1. Trust me I know a lot about this.
I guess I will find out, it isnt much good if it cant be done
You'll find out Mr Tender is correct. As also pointed out the B315 and HG630 are different and for different services.
Cheers -N