![](http://www.alamy.com/thumbs/6/F872C7FA-0CC6-49DA-93D1-7ACA8BD01DDC/2XFNH7A.jpg)
IP phones with VoIP technology are outstanding in international usage.
Size: 6000px × 4000px
Photo credit: © Panumas Nikhomkhai / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: background, blue, business, cable, call, communication, computer, conference, device, digital, display, equipment, exchange, internet, ip, keypad, lcd, modern, office, pbx, phone, receiver, screen, service, speaker, technology, telephone, voice, voip