I think the services in the list should be generated automatically, just according to the firewall level you selected.

Which Wi-Fi requency are you connected? 2.4GHz or 5GHz? Do you have the same issue on all the wireless devices, laptops and phones?

Hi, Yes, 141107 is the Firmware version, and it's the Published Date. Hmm....141107 is the latest firmware on the website for Hardware V5, but seems you have a newer firmware. Did you check the...

The extender has to be in the same channel as the router, cannot be changed. When the extender is connected to the router and working, the router will assign a different IP address to the extender,...

Didn't hear about a VoIP issue about C20.

It's recommended to connect your desktop computer directly to the Spectrum modem and make a speedtest. Then we know which one exactly cause the issue.