General Knoppix support for those who've read the FAQ at the Wiki
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$32.00
Lot Of 8 Cisco CP-7945G VOIP Business IP Phone w/ Stand and Handset #0358
$162.98
Polycom VVX 411 IP VOIP POE Gigabit Telephone [L/N] BUSINESS OFFICE RECEPTION
$24.00
Polycom VVX 450 Ring Central Business VoIP Phone Black
$59.91
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
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$29.99
Cisco CP-7841 4-Line VoIP Phone
$62.99