VOIP Phones

POLY Edge B20 IP Phone and PoE-enabled. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Lines quantity: 2 lines. Display: LCD, Display diagonal: 2.8". Voice codecs: G.711alaw, G.711ulaw, G.722, G.729ab, OPUS, iLBC. Ethernet LAN interface type: Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s

Cisco 3905, Refurbished. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Internal memory: 32 MB, Flash memory: 4 MB. Lines quantity: 1 lines. Volume control: Digital. Display resolution: 128 x 32 pixels, Display number of colors: Monochrome, Display number of lines: 2 lines

Yealink SIP-T42S. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: In-band, Out-of band, SIP info. Lines quantity: 12 lines, Phonebook capacity: 1000 entries. Volume control: Digital. Display: LCD, Display diagonal: 2.7", Display resolution: 192 x 64 pixels