like Installations specifics to "comcast users" "Verizon Fios users"...
Setting up behind a modem-ooma-router -> specific to various brands of modem and or router.
Setting up a modem/router (specific brand) to ooma telo system.
For a landline replacement system and the simplicity of out of the box use , I guess new users expect a top of the line support.
AT&T CL82309/CL82359 Dect 6.0
Verizon Fios 25Mbs/25Mbs
2 bridged Verizon Fios Cable modem-router wifi MI424WR
2 Roku Box - OpenDNS