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
Polycom VVX 411 IP VOIP POE Gigabit Telephone [L/N] BUSINESS OFFICE RECEPTION
$24.00
Grandstream GS-GXP2170 VoIP Phone & Device 4.3" Color-Screen LCD Gigabit Ports
$45.53
Lot Of 8 Cisco CP-7945G VOIP Business IP Phone w/ Stand and Handset #0358
$162.98
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
Lightly Used Cisco 8811 Series VoIP phone Factory Reset great condition
$19.95
Cisco CP-8861-K9 5-Line VoIP Business Phone w/ Stand & Handset
$24.98
Genuine Desktop 8 Line Gigabit VoIP Phone System Mitel IP480G PN 630-3481-01
$89.99
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$29.99