>A0 instance is capped to a miserable 5 megabit/s uplink (downlink is fine);

I thought it was 10Mb/s?

>If you want TCP/UDP ports open, you need to open them one-by-one, going through a 2-page wizard with 8 fields in total to fill in for each port you are opening, and then waiting 15-20 seconds for each "change" to be applied. Good luck opening a 1024-port range for your SIP server;

...or use the powershell cmdlets and do it in one line