Close up on businessman holding a wooden block with "Private Branch Exchange" message
Schlüsselwörter
background,
big,
block,
tree branch,
business,
businessman,
call,
communication,
computing,
concept,
connection,
datum,
database,
design,
device,
digital,
display,
enterprise,
exchange,
finance,
global,
idea,
cyberspace,
mobile,
network,
number,
platform,
private,
security,
service,
stock,
switch,
system,
technology,
phone,
template,
text,
user,
wooden,
word
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