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
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$29.99
MagicJack - HOME VoIP Telephone Adapter 12 Months of Service - Black New Sealed
$39.99
Cisco 8841 CP-8841-K9 VoIP Business IP Phone (Charcoal)
$47.00
Polycom VVX 301 6-line Desktop VOIP IP Phone 2200-48300-019 *NEW*
$24.99
Cisco CP-7945G VOIP Phone With Stand & Handset Business IP Phone 7945
$3.00
Grandstream GXP2130 Enterprise VoIP IP Phone Color Display- Office Phone
$29.00
Cisco/Linksys SPA2102 VoIP Phone Adapter Router 2FXS (Unlocked)
$16.99
Lot Of 7 Cisco CP-7945G VOIP Phone With Stand & Handset Business IP Phone 7945
$41.99
Yealink T54W IP Phone, 16 VoIP Accounts. 4.3-Inch Color Display - Black
$99.99