Problems with hardware not being detected or supported. Please post a full output of "lspci -v" if your hardware is not detected, and all relevant information about your hardware
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$32.00
Fanvil V64 VOIP Business Phone- Black *NEW*
$89.99
Cisco CP-7965G IP VOIP POE Gigabit Telephone [L/N] BUSINESS OFFICE RECEPTION
$20.00
Polycom VVX 411 IP VOIP POE Gigabit Telephone [L/N] BUSINESS OFFICE RECEPTION
$24.00
Cisco CP-7945G VOIP Phone With Stand & Handset Business IP Phone 7945
$3.00
Cisco/Linksys SPA2102 VoIP Phone Adapter Router 2FXS (Unlocked)
$16.99
Unlocked Cisco / Linksys SPA2102 VoIP 2FXS Phone Adapter with Router
$17.99
Cisco CP-8861-K9 5-Line VoIP Business Phone w/ Stand & Handset
$24.98
Lot of 7 Cisco CP-8811 5-Line VoIP Business Phones for Conferencing #L7697
$78.99
Cisco CP-7965G 7900 Series VOIP IP Phone ZOOM MEETING SIP SKYPE RECEIPTION IVR
$20.00