VoIP Voice over IP Telecommunication concept. Hand pressing button on screen.
Schlüsselwörter
voip,
voice,
communication,
receiver,
computer,
business,
wireless,
global,
marketing,
technology,
service,
online,
call,
mobile,
content,
media,
concept,
cyberspace,
device,
software,
connection,
telecom,
telephony,
phone,
contact,
web,
protocol
Deutsch
