VOIP Phones

Cisco 7821, Refurbished. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Lines quantity: 2 lines. Display diagonal: 3.5", Display resolution: 396 x 162 pixels, Backlight color: White. Voice codecs: G.711a,G.711u,G.722,G.729A,iLBC. Ethernet LAN interface type: Fast Ethernet, Supported network protocols: SIP, SRTP, TLS, Security algorithms: 128-bit AES,256-bit AES,802.1x RADIUS

Cisco 7821, Refurbished. Product type: IP Phone, Product color: Charcoal, Handset type: Wired handset. Lines quantity: 2 lines. Display diagonal: 3.5", Display resolution: 396 x 162 pixels, Backlight color: White. Voice codecs: G.711a,G.711u,G.722,G.729A,iLBC. Ethernet LAN interface type: Fast Ethernet, Ethernet LAN data rates: 10,100 Mbit/s, Supported network protocols: SIP, SRTP, TLS

AudioCodes 405. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: SIP info. Lines quantity: 2 lines. Volume control: Buttons. Display: LCD, Display resolution: 132 x 64 pixels

POLY Edge E100 IP Phone and PoE-enabled. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Display: IPS, Display diagonal: 2.8", Display resolution: 320 x 240 pixels. Voice codecs: G.711alaw, G.711ulaw, G.722, G.722.1, G.729ab, OPUS, iLBC. Ethernet LAN interface type: Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s. Sustainability certificates: ENERGY STAR

Cisco SPA509G, Refurbished. Product type: IP Phone, Product color: Black. Lines quantity: 12 lines, Phonebook capacity: 100 entries. Display: LCD, Display resolution: 128 x 64 pixels. Voice codecs: G.711a,G.711u,G.722,G.726,G.729A. Supported network protocols: IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, Security algorithms: 256-bit AES, VoIP protocols: SIP, SIP v2, SPCP

Yealink SIP-T31P. Product type: IP Phone, Product color: Gray, Handset type: Wired handset. Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 2.3", Display resolution: 132 x 64 pixels. Voice codecs: G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS. Ethernet LAN interface type: Fast Ethernet, Ethernet LAN data rates: 10,100 Mbit/s, Networking standards: IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x

AudioCodes 405. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: SIP info. Lines quantity: 2 lines. Volume control: Buttons. Display: LCD, Display resolution: 132 x 64 pixels

POLY Edge B30 IP Phone and PoE-enabled. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Lines quantity: 4 lines. Display: LCD, Display diagonal: 2.8". Voice codecs: G.711a, G.711u, G.722, G.729ab, OPUS, iLBC. Ethernet LAN interface type: Gigabit Ethernet

Yealink W76P. Product type: IP mobile phone, Product color: Gray, Handset type: Wireless handset. Lines quantity: 20 lines, Phonebook capacity: 1000 entries, Frequency band: 1.9 GHz. Display: TFT, Display diagonal: 2.4", Display resolution: 240 x 320 pixels. Ethernet LAN data rates: 10,100 Mbit/s, Networking standards: IEEE 802.1af. AC adapter input voltage: 100 - 240 V

Yealink W73P. Product type: IP mobile phone, Product color: Gray, Handset type: Wireless handset. Phonebook capacity: 100 entries. Display: TFT, Display diagonal: 1.8", Display resolution: 128 x 160 pixels. AC adapter input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Input current: 0.2 A. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1010 mAh, Battery voltage: 3.7 V

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