Telephone hybrid peer-to-peer private branch exchanges

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Size: 6016px × 4016px
Photo credit: © Sergey Ryzhov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: black, blue, broadband, business, cables, call, center, closeup, communication, computer, connect, data, equipment, ethernet, green, high, hub, internet, ip, lan, light, management, network, networking, pbx, port, power, server, service, support, switch, system, technology, telecommunication, telephone, telephony, voice