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
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black
$29.99
Lot Of 7 Cisco CP-7945G VOIP Phone With Stand & Handset Business IP Phone 7945
$41.99
$20.49
NEW Cisco IP Phone 8861 - VoIP phone
$99.99
Cisco VoIP Phone Model CP-8865
$30.00
Polycom VVX 411 12-Line VOIP Phone - 2200-48450-025
$6.00
Lightly Used Cisco 8811 Series VoIP phone Factory Reset great condition
$19.95
Cisco CP-8851-K9 5-Line Key 5" Color VoIP PoE Gigabit Phone Aux USB Bluetooth
$40.00
Polycom VVX 411 IP VOIP POE Gigabit Telephone [L/N]
$24.99