VoIP Business Phones/IP PBX

voip business phones/ip pbx โ€” pre-owned

13,433listings

Browse 13,433 voip business phones/ip pbx โ€” pre-owned on eBay โ€” listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Used Cisco CP-8845-K9 5 Line IP Video Phone - Charcoal
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Used Cisco CP-8845-K9 5 Line IP Video Phone - Charcoal

Used Cisco CP-8845-K9 5 Line IP Video Phone in Charcoal color. It is a corded telephone with IP capabilities, featuring 5 phone lines and an Ethernet interface for connectivity. The model number is 8845, and it is designed for enterprise networking and PBX systems, providing a reliable and high-quality communication solution for businesses. Shows normal wear and tear. Free shipping to the lower 48 United States. G5

$18.95
Free ShippingOshkosh, US
bryce95
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100.0%Excellentยท 3.0k
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Yealink SIP-T23P SIP-T32G SIP-T21P VoIP Voice over IP Business Phones Lot of 5
-18%
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Yealink SIP-T23P SIP-T32G SIP-T21P VoIP Voice over IP Business Phones Lot of 5

See photos for more details.

$99.21$120.99-18%

You save $21.78

+$29.95Tucson, US
beaconfullfil0
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98.8%Excellentยท 2.1k
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Grandstream GXW4232 32-Port FXS Gateway Analog to VoIP
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Grandstream GXW4232 32-Port FXS Gateway Analog to VoIP

Pulled from working hospitality environment. Tested and working on 05/11/2026. We have 8! available, this is for ONE single unit. If you need more than one change the quantity. The Grandstream GXW4232 32-Port FXS Gateway is a high-quality analog to VoIP gateway designed for businesses looking to transition their phone systems to a modern VoIP solution. With 32 phone lines, this FXS gateway allows for easy integration of existing analog phones and devices into a VoIP network. The model GXW4232 from Grandstream offers reliable and efficient communication capabilities, making it a popular choice for enterprise networking and IP PBX systems.

$350.00
See listingMiddletown, US
scotchtownliquidators
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100.0%Excellentยท 25
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Yealink CP960 Conference Phone w/PoE Power Adapter & Wireless Mics Factory Reset
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Yealink CP960 Conference Phone w/PoE Power Adapter & Wireless Mics Factory Reset

(2) WIRELESS MICS WITH CHARGING BASE. PoE POWER ADAPTER.

$100.00
See listingHouston, US
violent-b
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100.0%Excellentยท 1.6k
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Yealink SIP-T48S 16 Line IP Phone (EXCELLENT CONDITION)
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Yealink SIP-T48S 16 Line IP Phone (EXCELLENT CONDITION)

Feature availability varies by platform and firmware. It's always a good idea to confirm support with your provider before purchasing. โ–ช Does the T48S have built-in Bluetooth or Wi-Fi?. Bluetooth and Wi-Fi are not built-in.

$45.00
See listingPlano, US
mobemike
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100.0%Excellentยท 53
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Grandstream GS-GXP2170 VoIP Phone & Device - Black Used Excellent Condition
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Grandstream GS-GXP2170 VoIP Phone & Device - Black Used Excellent Condition

It features up to 48 digital, on-screen speed dial/BLF keys to help users be more productive and efficent. The GXP2170 is the perfect choice for enterprise users looking for a top-notch executive IP phone with advanced functionality.

$34.95
Free ShippingSikeston, US
jewholesaleoutlet1
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99.6%Excellentยท 39.3k
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Used Cisco 7942 Unified IP Phone
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Used Cisco 7942 Unified IP Phone

The Used Cisco 7942 Unified IP Phone is a black Ethernet (RJ-45) interface phone with Power Over Ethernet (PoE) capabilities. It is a model from Cisco, known for its reliable and high-quality networking products. This IP phone is designed for VoIP business communication systems and is manufactured in China. With its efficient design and advanced features, the Cisco 7942G is a popular choice for businesses looking to enhance their communication capabilities. Free shipping to the lower 48 United States. ๐Ÿ‡บ๐Ÿ‡ธ G

$12.95
Free ShippingOshkosh, US
bryce95
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100.0%Excellentยท 3.0k
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Poly Sync 40-M Bluetooth Smart PC Mac Teams Speakerphone
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Poly Sync 40-M Bluetooth Smart PC Mac Teams Speakerphone

$75.00
Free ShippingNew Hartford, US
ccnytech
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99.9%Excellentยท 6.4k
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Yealink SIP-T58A Gigabit IP Phone - Refrb (Grade A) w/1-Year Warranty
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Yealink SIP-T58A Gigabit IP Phone - Refrb (Grade A) w/1-Year Warranty

Yealink SIP-T58A Gigabit IP Phone - Renewed w/1-Year Warranty. Button Module Expansion: Supports up to 3 Yealink EXP50 expansion modules (see optional accessories above). Wireless DECT Headsets : Yealink Wireless DECT Headsets plug directly into the USB port.

$69.95
Free ShippingSterling Heights, US
shop4teleTOP
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99.8%Excellentยท 1.8k
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YEALINK W59R IP DECT Phone w/ Charging Base and AC Adapter -- Quantity Available
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YEALINK W59R IP DECT Phone w/ Charging Base and AC Adapter -- Quantity Available

Unit may need a good cleaning. We test to the best of our ability.

$79.97
Free ShippingSpokane, US
begreenrecycling
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99.9%Excellentยท 5.3k
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Cisco Webex Desk Pro TTC7-27 68-101942-01 Video Conference Device w/ Power Cord
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Cisco Webex Desk Pro TTC7-27 68-101942-01 Video Conference Device w/ Power Cord

Item has been reset. Item has general signs of normal wear and tear which may include scratches. Power adapter is included. โ€ข Power Adapter Included. We stand behind our products. Item Condition. The listed prices do not apply.

$399.00
+$45.00Milpitas, US
ersinc03
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99.9%Excellentยท 10.3k
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Cisco SPA504G 4-Line IP Phone - SIP Unlocked - PoE - Hams Over IP (HoIP) Ready
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Cisco SPA504G 4-Line IP Phone - SIP Unlocked - PoE - Hams Over IP (HoIP) Ready

Hams Over IP (HoIP) Ready: The top-tier choice for the HoIP/Amateur Radio community. Don't get stuck with a "password-locked" phone from a corporate liquidation! (1) Cisco SPA504G IP Phone Base. Audio Verified: Handset, Speakerphone, and Microphone tested for crisp, clear audio.

$25.99
Free ShippingMountain View, US
thedailyarchiveTOP
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100.0%Excellentยท 1.1k
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Cisco 8861 Gigabit IP Phone - CP88613PCCK9  GRADE A
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Cisco 8861 Gigabit IP Phone - CP88613PCCK9 GRADE A

Wireless, Bluetooth, Wideband Audio, Speakerphone, Power Over Ethernet (PoE). Used: An item that has been used previously. See all condition definitionsopens in a new window or tab. Phone Lines. Product Key Features.

$140.00
Free ShippingAnaheim, US
voipexpertTOP
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99.5%Excellentยท 657
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Polycom VVX 311 WW 6-line Business Media Phone  Black (2200-48350-025) Lot of 10
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Polycom VVX 311 WW 6-line Business Media Phone Black (2200-48350-025) Lot of 10

Polycom VVX 311 WW 6-line Business Media Phone Black (2200-48350-025) Lot of 10. Handset & base included.

$90.00
See listingIndianapolis, US
synergycell
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99.6%Excellentยท 2.6k
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Polycom VVX 1500 IP Video Conference Phone
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Polycom VVX 1500 IP Video Conference Phone

Polycom VVX 1500 IP Video Conference Phone. Used and functioning well

$125.00
See listingGermantown, US
thrift_dig
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100.0%Excellentยท 2.4k
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Yealink MP58 Smart Business IP POE Phone Zoom Edition with Corded Handset
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Yealink MP58 Smart Business IP POE Phone Zoom Edition with Corded Handset

CLR Solutions has cleaned, tested, updated, factory reset, and found this Yealink MP58 to be in good working condition.

$109.99
Free ShippingRandolph, US
clr_solutions_llcTOP
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99.8%Excellentยท 9.3k
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Yealink SIP-T57W Prime Business IP Phone With Handset & Stand | TESTED
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Yealink SIP-T57W Prime Business IP Phone With Handset & Stand | TESTED

$94.95
Free ShippingCherry Hill, US
techbuyer_usa_outlet
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99.5%Excellentยท 5.9k
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Cisco CP-8845-K9 5 Line IP Video Phone - Charcoal
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Cisco CP-8845-K9 5 Line IP Video Phone - Charcoal

The Cisco CP-8845-K9 5 Line IP Video Phone in Charcoal is a versatile corded telephone perfect for businesses. With its IP capabilities and speakerphone feature, it offers high-quality communication and collaboration. The phone is easy to use with its Ethernet interface and comes with a 1-year manufacturer warranty for peace of mind. Its sleek design in gray color and advanced features make it a reliable choice for enterprise networking needs.

$19.99
+$8.00Brea, US
tmt_88
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100.0%Excellentยท 1.0k
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Yealink W56h IP DECT Phone USB Base Dock
-70%
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Yealink W56h IP DECT Phone USB Base Dock

$15.00$49.95-70%

You save $34.95

Free ShippingOverland Park, US
gotbuy
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100.0%Excellentยท 12.0k
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UBIQUITI UNIFI VOIP PHONE EXECUTIVE 7" TOUCHSCREEN UVP-EXECUTIVE-  (T7-A7)
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UBIQUITI UNIFI VOIP PHONE EXECUTIVE 7" TOUCHSCREEN UVP-EXECUTIVE- (T7-A7)

New Open Box. Used Excellent. Used Very Good. Used Fair (Moderate use and age). Used Poor โ€“ Heavy use and age.

$100.00
+$15.00Santa Ana, US
eftnetworks
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99.6%Excellentยท 33.1k
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Yealink SIP-T41P IP Phone - Refrb (Grade A) w/1-Year Warranty
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UsedBuy It Now

Yealink SIP-T41P IP Phone - Refrb (Grade A) w/1-Year Warranty

Yealink CP920 IP Conference Phone - Refrb (Grade A) w/1-Year Warranty. Yealink T48S Gigabit IP Phone (SIP-T48S) - Refrb (Grade A) w/1-Year Warranty. Yealink WH62 DECT Wireless Headset Mono UC (1308005) New w/1-Year Warranty.

$34.95
Free ShippingUtica, US
shop4teleTOP
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99.8%Excellentยท 1.8k
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Cisco CP-6901-C-K9 Unified IP Phone 6901
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Cisco CP-6901-C-K9 Unified IP Phone 6901

Qty 1- Cisco CP-6901-C-K9 Unified IP Phone 6901. Includes 1 Phone, Handset, and Handset Cable. This is the fastest way to get a response. We are not always available by phone. (No Hawaii, Alaska, Puerto Rico or anywhere outside the United States).

$39.99
Free ShippingPhoenix, US
vtkphxTOP
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99.9%Excellentยท 19.9k
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Cisco 7821 IP Phone (CP-7821-K9=) - Refrb (Grade A) w/1-Year Warranty
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Cisco 7821 IP Phone (CP-7821-K9=) - Refrb (Grade A) w/1-Year Warranty

7821 IP Phone. Speakerphone: Includes high-quality, 2-way speakerphone. Audio: Wideband audio enhances clarity with the handset, speaker, or headset. Wall-Mountable: Yes, requires optional Cisco 7800 Series Wall Mount Kit (CP-7800-WMK=).

$35.95
Free ShippingUtica, US
shop4teleTOP
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99.8%Excellentยท 1.8k
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Nextiva X-835 VoIP Desk Phone w/ Stand & Power Adapter
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Nextiva X-835 VoIP Desk Phone w/ Stand & Power Adapter

Preowned Nextiva X-835 VoIP Desk Phone (Nextiva-branded vtech ET635) Includes stand and power adapter Working unit. Factory reset (admin code 0000). Body may contain some scuffs, scratching or minor dust. Only selling as we switched VoIP providers. Buyer is 100% responsible for confirming compatibility with their phone system. Sold as-is. Note that admin code may change upon provisioning. Item will be shipped in padded cardboard box via USPS Ground Advantage for single purchase or whatever carrier is the cheapest for bulk purchases.

$18.95
Free ShippingCleveland, US
shyewolf2012
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100.0%Excellentยท 189
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Used Yealink SIP-T46S IP Phones - Black - Bundle of 2
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Used Yealink SIP-T46S IP Phones - Black - Bundle of 2

This is a bundle of 2 phones, so you will receive 2 complete phones. A "complete phone" is a phone, handset, handset cord, and stand.

$49.99
Free ShippingHilo, US
kanakafari2013
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100.0%Excellentยท 99
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Linksys SPA9000 16 Users Small Business IP PBX Phone System
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Linksys SPA9000 16 Users Small Business IP PBX Phone System

1 x Linksys Unlocked IP PBX Phone System SPA9000. SPA9000 Administrator Guide. SPA9000 Setup Wizard. IP PBX system with high-end features Now, you can not only do it with a cost-conscious voice over IP (VoIP) connection, but it's also so simple just about anyone can set up a fully working system in minutes.

$29.99
+$7.50Broad Run, US
ok100points
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100.0%Excellentยท 2.2k
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Grandstream GXW4224 V2 24 Port FXS Gateway Gigabit Analog to VoIP New Version
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Grandstream GXW4224 V2 24 Port FXS Gateway Gigabit Analog to VoIP New Version

TheGrandstream GXW4224 is a 24 FXS port VoIP gateway that can be used to connect analog devices such as phones and faxes to a VoIP network. Grandstream GXW4224 FXS VoIP Gateway. Grandstream GXW4224 FXS Gateway Features and Functions.

$249.00
Free ShippingCN
jue-1397
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100.0%Excellentยท 153
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Yealink W76P High-Performance DECT IP Phone System - Rnewed, Grade A
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Yealink W76P High-Performance DECT IP Phone System - Rnewed, Grade A

The Yealink W76P is a high-performance, IP DECT cordless phone system for small and medium-sized businesses that is compatible with most popular SIP based phone systems and hosted service providers. It supports up to 12 SIP accounts and 20 concurrent calls and allows you to add a total of 10 compatible Yealink DECT wireless handsets and devices. Condition --------- ---Grade A - Our Grade A products are fully tested, factory defaulted, and remanufactured to a high quality, factory like new condition. Better yet, we back them with a Rock Solid 1 Year Warranty, superior service, and excellent support. Warranty -------- ---1 Year Warranty Yealink W76P Features --------------------- ---2.

$89.95
Free ShippingTroy, US
fivestarstelecomTOP
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100.0%Excellentยท 11.5k
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LOT OF 19 - Cisco CP-9951 CP-9951-C-K9 V04 5" Color Video VoIP Phone with CP-CAM
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LOT OF 19 - Cisco CP-9951 CP-9951-C-K9 V04 5" Color Video VoIP Phone with CP-CAM

Model: LOT OF 19 - Cisco CP-9951 CP-9951-C-K9 V04 5" Color Video VoIP Phone with CP-CAM-C NO HANDSETS NO STANDS NO POWER ADAPTERS . -Be Sure to view every photo carefully before purchasing! What you see in the photos is what you will receive!

$309.99
Free ShippingStanton, US
mikepcproTOP
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100.0%Excellentยท 5.5k
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Cisco SPA525G 5-Line IP Phone VoIP PoE Display - Lot of 10, Grey
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Cisco SPA525G 5-Line IP Phone VoIP PoE Display - Lot of 10, Grey

Received from a law firm liquidation that switched these out. All working. Each purchase = 10 phones The Cisco SPA 525G 5-Line IP Phone in Grey is a high-quality corded telephone designed for business use. With its sleek design and 5 phone lines, this IP phone allows for efficient communication and productivity. Made by Cisco, a trusted brand in networking technology, every phone comes directly from China ensuring reliability and quality. Perfect for a small office or home business, these phones offer a cost-effective solution for VoIP communication needs.

$79.99
See listingArlington, US
loydselect
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100.0%Excellentยท 411
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Lot of 7 - Grandstream GXP2160 GXP2140 6 Line HD IP Phone Color - Very Good READ
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Lot of 7 - Grandstream GXP2160 GXP2140 6 Line HD IP Phone Color - Very Good READ

NOTE: IF YOU BUY THE NEXT LOT, YOU WILL RECEIVE (6) GXP2160 and (1) GXP2140. IF YOU BUY THE LAST LOT, YOU WILL RECEIVE (5) GXP 2160 AND (2) GXP2140. VERY MINOR DIFFERENCE BETWEEN MODELS. Units are in very good used condition. All are factory reset through the menus. Photo is stock, you may not receive the exact lot of 7 as pictured, but will receive ones of similar cosmetic condition. Each lot there may be 1-2 handsets that have some wear on them. You will receive: - 7 units - 7 phones - 7 stands - 7 wall mounts - 7 chargers - 7 phone cords *** All sales are final. Returns and refunds are not offered on this item. ***

$299.99
See listingWoodbury, US
reply2nelson0xve
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99.5%Excellentยท 1.8k
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LOT OF 13 - Yealink W59R PHONE HEADSET w/ 8 DOCKS
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LOT OF 13 - Yealink W59R PHONE HEADSET w/ 8 DOCKS

Model: LOT OF 13 - Yealink W59R PHONE HEADSET w/ 8 DOCKS UNTESTED NO POWER ADAPTERS AS IS . What you see in the photos is what you will receive!

$434.99
Free ShippingStanton, US
mikepcproTOP
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100.0%Excellentยท 5.5k
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Yealink T41S Gigabit IP Phone (SIP-T41S) - Refrb (Grade A) w/1-Year Warranty
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UsedBuy It Now

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

The Yealink T41S features support for up to 6 SIP accounts, HD Voice, and a backlit LCD display. Yealink SIP-T53 Gigabit IP Phone - Refrb (Grade A) w/1-Year Warranty. Wireless DECT Headset Support : ?.

$34.95
Free ShippingSterling Heights, US
shop4teleTOP
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99.8%Excellentยท 1.8k
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Lot Of 2! Cisco IP Phone CP-7841--K9  W/ Base included
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Lot Of 2! Cisco IP Phone CP-7841--K9 W/ Base included

This listing will include 2 phones. Free shipping to the lower 48 states only Phones are in good working condition If you have any questions please let me know Thanks!

$29.99
Free ShippingTea, US
marscot-mvdiqjq8
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99.5%Excellentยท 6.7k
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Cisco CP-8831 IP UC CONFERENCE PHONE w/ KEYPAD
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Cisco CP-8831 IP UC CONFERENCE PHONE w/ KEYPAD

Please read full item description.

$17.99
Free ShippingMadison, US
forwardtechsurplusTOP
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99.0%Excellentยท 1.4k
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Cisco Model Number # VG310 Analog Voice Gateway 24 FXS Ports
-45%
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Cisco Model Number # VG310 Analog Voice Gateway 24 FXS Ports

Why Choose Cisco VG310 Analog Voice Gateway?. - Supports Gigabit Ethernet and USB interfaces - Cisco IOS Software-based with SNMPv3 support - Call survivability with MGCP failover Included Accessories: - Rackmounts, Power Cable Condition: - Used (USED), Cisco Voice Gateway.

$30.23$54.99-45%

You save $24.76

Free ShippingCass City, US
8ten1944
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99.8%Excellentยท 365.3k
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Cisco CP-6901-C-K9V01 Unified IP Black Business Desk Phone 6901-C
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Cisco CP-6901-C-K9V01 Unified IP Black Business Desk Phone 6901-C

This model is equipped with DSL/Phone (RJ-11) interface, making it easy to connect and use. Handset shows minor scratch on outside top. (See Photos). We are human, and occasionally mistakes can occur.

$20.00
+$4.49Chandler, US
jaxpeakllc
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100.0%Excellentยท 7.7k
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Cisco 7970G Unified IP Phone (CP-7970G=) Rnewed (Grade A) 1 Year Warranty
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Cisco 7970G Unified IP Phone (CP-7970G=) Rnewed (Grade A) 1 Year Warranty

The Cisco 7970G Unified IP Phone, a key offering in the IP Phone portfolio, is a full-featured IP phone primarily for manager and executive needs. Condition --------------- ---Renewed - Our Renewed products are fully tested, factory defaulted, and remanufactured to a high quality, factory like new condition.

$29.95
+$7.95Troy, US
fivestarstelecomTOP
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100.0%Excellentยท 11.5k
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4 Port ISDN/PRI VoIP SIP Asterisk Card. T1/E1/J1 Ports. PCI-E. #TE420
UsedBuy It Now

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

The 4 port E1/T1/J1 card supports E1, T1 and J1 circuits and it is selectable on a per-card or per-port basis. With the improved I/O speed, the card reduces CPU usage and increases card density per server.

$179.99
Free ShippingNew York, US
76421701d
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100.0%Excellentยท 987
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Panasonic KX-TA824 Advanced Hybrid Telephone System Control Device Unit
-5%
UsedBuy It NowBest Offer

Panasonic KX-TA824 Advanced Hybrid Telephone System Control Device Unit

Panasonic KX-TA824 Advanced Hybrid Telephone System Control Device Unit - No other accessories included We have 30 day returns money back guarantee . We do our best to describe everything accurately. This item is sold as shown are pulled from working environments and may include components that are untested, incomplete, or non-functional. While we do our best to describe each item accurately, we cannot guarantee the performance or compatibility of every part. See photos for more details. By purchasing, you acknowledge and accept this item is being sold as-is with no guarantees beyond what is stated.

$135.84$142.99-5%

You save $7.15

+$15.95Galesburg, US
bridge-8579
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100.0%Excellentยท 37
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