Phone Switching Systems & PBXs
phone switching systems & pbxs — pre-owned
Browse 15,239 phone switching systems & pbxs — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Avaya IP500 Combination Base Card 700476013 DS 1-6 Phone 7-8 ATM4U 9-12

NORTEL MERIDIAN CP-PM CARD CS1000M NTDW61BAE5 + HDD + SECURUTY DONGLE

Elastix VoIP PBX Communication Device Appliance PS-ELX-25-002

Samsung Prostar DCS Compact Key Service Unit

Panasonic KX-T30865-W / KX-T30865 Door Phone Intercom White *Refurbished*

Nortel Networks BCM400 Business Communications Manager NTAB9873

Samsung OfficeServ 7100 PBX Business Phone System w/MP10a & UNI Cards Power Cord

Panasonic KX-T7730 24 - Button Display Phone (White) With Stand

Panasonic KX-TDA0174 (SLC16) 16-Port Single Line Telephone Extension

Ameritech Telephone Network Interface Box # 4945559

NEC SL1100 IP4NA-1228M-B KSU PHONE SYSTEM T4-E6

Grandstream UCM6301 IP PBX

Nortel BCM 50 R6 - 4x12, 32 IP Clients, 12 IP Trunks, 64 Voicemail Seats, + more

Panasonic KX-NS700 Hybrid IP-PBX Communication System w/ Trunk & Ext. Cards

Allworx Connect 536 VOIP Server

FULL MERIDIAN PHONE SYSTEM WITH STARLINK HUGE LOT OF 12 Phones & Accessories

Panasonic KX-TDA0190 OPB3 Option Card W/ 2 x MSG4 USE KX-TDA/TDE 100 200 600

Lucent Partner MLS-18D Black Display Speaker Phone

Avaya Partner ACS 509 R8.0 Processor (700469687)

Samsung Officeserv 7100 4x8 MP10A 5.03 Media Card. 1 yr. warranty.

Panasonic KX-NCP500 Pure IP-PBX Phone System w/ IPCMPR + LCOT4 + DLC8

Panasonic KX-TDA0290 PRI23 Digital Trunk PRI 23 Channel USE W/KX-TDA/TDE Series

Near Flawless CONDITION Samsung DS-5021D 21 Button Digital Phone OfficeServ

NEC DS1000 Part No. 80200 Replacement Part Power Cord Plug Only

Samsung Officeserv 7100 7200 7400 16DLI2 16 Port Digital Station 1 year warr.

NEC AC-2R Power Supply (#780135)

Avaya Partner ACS 509 Processor 103R1 R7 700316474 - Read

NEC Aspire Phone Wall Mount Claw Clip, See Photos, Fast Ship

Yeastar MyPBX SOHO IP PBX for 32 Users, License free, modular expandable

Panasonic KX-NS700 Hybrid IP-PBX Communication System w/ Cards

Partner 4.1 Processor Module,Cabinet, three 206 modules

NEC GCD-CP10 CPU Processor Board W / GPZ-IPLE VOIP 32 Channel Card For SV9100

Amazon 4K Signage Stick Media Player, Wi-Fi 6E, Quad-Core, CMS Compatible

Lucent Avaya 103F16 Partner II Communication System

Ericsson Aastra GPU ROF 137 5394/1 R2A 02W46 Telephony Switch Module

Avaya IP500 Digital Station 8 (700417330) - Renewed (Grade A) 1 Yr Warranty

Panasonic KX-TDA100 Fully Configured LCOT8/CID8 DLC16 DHLC8 CTI-LINK KX-TDA0105

Panasonic KX-TDA50 Hybrid IP PBX Cabinet w/ Power Supply PSLP1434 & 32MB SD Card

Elastix ELX-025 VoIP PBX Communication Device Appliance

Panasonic Voice Mail Panasonic KX-TVA50 Voice Processing System - No Charger