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
Cisco CP-8841 VoIP Phone - Black
$20.00
REF A-STOCK - Polycom 2200-48450-025 VVX 411 IP VOIP POE Gigabit Telephone
$38.68
Avaya 700513569 J179 Gigabit IP Gray VoIP Phone J179D03A-1015
$99.99
Cisco CP-7945G VOIP Phone With Stand & Handset Business IP Phone 7945
$3.00
New Cisco 7945G IP VoIP Gigabit GIGE Telephone Phone CP-7945G -
$24.95
Polycom VVX 411 IP VOIP POE Gigabit Telephone [L/N]
$24.99
Polycom VVX 201 VoIP Business Phone
$6.99
Yealink T54W IP Phone, 16 VoIP Accounts. 4.3-Inch Color Display - Black
$99.99
Cisco VG224 24-Port Voice Over IP Analog Phone
$35.00