VoIP Business Phones/IP PBX

voip business phones/ip pbx — pre-owned

11,643listings

Browse 11,643 voip business phones/ip pbx — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Cisco CP-3905 Unified SIP Phone 3905 Charcoal VOIP Standard Handset Tested
USED

Cisco CP-3905 Unified SIP Phone 3905 Charcoal VOIP Standard Handset Tested

$18.50
Poly Edge E220 2.5-in Color Display 16-Line Desktop VoIP Phone
USED

Poly Edge E220 2.5-in Color Display 16-Line Desktop VoIP Phone

$35.00
Polycom VVX 311 WW 6-line Business Media Phone  Black (2200-48350-025) Lot of 10
USED

Polycom VVX 311 WW 6-line Business Media Phone Black (2200-48350-025) Lot of 10

$125.00
Yealink T33G IP Phone, 4 VoIP Accounts. 2.4-Inch Color Display. Lot of 10
USED

Yealink T33G IP Phone, 4 VoIP Accounts. 2.4-Inch Color Display. Lot of 10

$225.00
AudioCodes MediaPack MP-118 8FXS 3AC  VoIP Access Gateway MP118/4S/4O/SIP
USED

AudioCodes MediaPack MP-118 8FXS 3AC VoIP Access Gateway MP118/4S/4O/SIP

$54.99
Yealink SIP-T48S  Gigabit 16 Line IP Phone - Black
USED

Yealink SIP-T48S Gigabit 16 Line IP Phone - Black

$45.00
YEALINK W70B DECT IP BASE STATION VOIP SIP FOR UP TO 10 HANDSETS
-7%
USED

YEALINK W70B DECT IP BASE STATION VOIP SIP FOR UP TO 10 HANDSETS

$50.22
Yealink SIP-T29G Business Gigabit PoE Phone w/ Color LCD Display
USED

Yealink SIP-T29G Business Gigabit PoE Phone w/ Color LCD Display

$18.00
Mellanox MSB7700-ES2F 36x QSFP28 100G InfiniBand Switch SB7700
USED

Mellanox MSB7700-ES2F 36x QSFP28 100G InfiniBand Switch SB7700

$299.00
Yealink T41S Gigabit IP Phone (SIP-T41S) - Refrb (Grade A) w/1-Year Warranty
USED

Yealink T41S Gigabit IP Phone (SIP-T41S) - Refrb (Grade A) w/1-Year Warranty

$37.95
Grandstream HT818 8-Port Analog Telephone Adaptor * READ DESCRIPTION *
USED

Grandstream HT818 8-Port Analog Telephone Adaptor * READ DESCRIPTION *

$49.99
Yealink W56H and Dect IP Base Station W70B -complete kit
USED

Yealink W56H and Dect IP Base Station W70B -complete kit

$65.00
CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V06
USED

CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V06

$169.99
4 Port ISDN/PRI VoIP SIP Asterisk Card. T1/E1/J1 Ports. PCI-E. #TE420
USED

4 Port ISDN/PRI VoIP SIP Asterisk Card. T1/E1/J1 Ports. PCI-E. #TE420

$179.99
Lot of 7 - Grandstream GXP2160 6 Line HD IP Phone Color Display - EXCELLENT
USED

Lot of 7 - Grandstream GXP2160 6 Line HD IP Phone Color Display - EXCELLENT

$299.99
Yealink SIP-T29G Gigabit IP Phone - LOT OF 5 (5-pack) U Get 5
USED

Yealink SIP-T29G Gigabit IP Phone - LOT OF 5 (5-pack) U Get 5

$125.00
CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V04
USED

CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V04

$169.99
Polycom VVX 450 12 Lines Business IP Phone | Unmanaged need reset
USED

Polycom VVX 450 12 Lines Business IP Phone | Unmanaged need reset

$34.99
YEALINK SIP-T54W Phone With Power Adapter
-21%
USED

YEALINK SIP-T54W Phone With Power Adapter

$49.99
CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V08
USED

CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V08

$169.99
CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V09
USED

CISCO CP-8821-K9 Wireless IP VoIP Phone WITH Battery 8821 V09

$169.99
Lot Of ( 12) Yealink T54W IP Phone PoE Bluetooth Wi-Fi
USED

Lot Of ( 12) Yealink T54W IP Phone PoE Bluetooth Wi-Fi

$385.00
Yealink SIP-T57W Prime Business Phone Unit
USED

Yealink SIP-T57W Prime Business Phone Unit

$114.99
Sangoma s705 POE Gigabit IP Phone w/Caller ID & 5-Way Conference
USED

Sangoma s705 POE Gigabit IP Phone w/Caller ID & 5-Way Conference

$40.00
Yealink SIP-T57W Prime Business Phone Unit Wall Mount. NO POWER CORD
USED

Yealink SIP-T57W Prime Business Phone Unit Wall Mount. NO POWER CORD

$104.99
Cisco 7925 Wireless IP Phone Wi-Fi VOIP CP-7925G-A-K9
USED

Cisco 7925 Wireless IP Phone Wi-Fi VOIP CP-7925G-A-K9

$29.89
Cisco CP-8845 VoIP IP Video Business Office Phone
USED

Cisco CP-8845 VoIP IP Video Business Office Phone

$35.00
Yealink Replacement HD Handset (cord not included) for T53W Phones - Black
USED

Yealink Replacement HD Handset (cord not included) for T53W Phones - Black

$7.98
AUDIOCODES  MP118 8FXO 3AC  ACCESS GATEWAY TESTED W/ Power Cord
USED

AUDIOCODES MP118 8FXO 3AC ACCESS GATEWAY TESTED W/ Power Cord

$40.00
Yealink W56H HD DECT Replacement Charger Cradle / Power Adapter | Tested
USED

Yealink W56H HD DECT Replacement Charger Cradle / Power Adapter | Tested

$19.90
CISCO IP PHONE 8861 CP8861-K9 CHARCOAL | USED W/ STAND AND HANDSET
USED

CISCO IP PHONE 8861 CP8861-K9 CHARCOAL | USED W/ STAND AND HANDSET

$29.39
Cisco 7942G IP VoIP Telephone Phone 7942 (CP-7942G)
-15%
USED

Cisco 7942G IP VoIP Telephone Phone 7942 (CP-7942G)

$17.00
Lot Of ( 12) Yealink T54W IP Phone PoE Bluetooth Wi-Fi W/ Stands & Handsets
USED

Lot Of ( 12) Yealink T54W IP Phone PoE Bluetooth Wi-Fi W/ Stands & Handsets

$420.00
Yealink CP960 Touchscreen Conference Phone (TEAMS Version), Factory Reset
-21%
USED

Yealink CP960 Touchscreen Conference Phone (TEAMS Version), Factory Reset

$45.00
Yealink W76P Cordless DECT Handset IP Phone SIP System Office Supplies
USED

Yealink W76P Cordless DECT Handset IP Phone SIP System Office Supplies

$89.99
Cisco 8851 IP Phone (CP-8851-K9)
USED

Cisco 8851 IP Phone (CP-8851-K9)

$25.00
Yealink SIP-T57W Prime Business Phone Unit NO POWER CORD
USED

Yealink SIP-T57W Prime Business Phone Unit NO POWER CORD

$104.99
Yealink W76P High-Performance DECT IP Phone System - Rnewed, Grade A
USED

Yealink W76P High-Performance DECT IP Phone System - Rnewed, Grade A

$89.95
Cisco CP-8821-K9 Wireless IP VoIP Phone WITH BATTERY
USED

Cisco CP-8821-K9 Wireless IP VoIP Phone WITH BATTERY

$249.99
Cisco CP-8841 VoIP IP Business Office Phones Black Lot Of 7
-5%
USED

Cisco CP-8841 VoIP IP Business Office Phones Black Lot Of 7

$109.72