Close up on businessman holding a wooden block with "Private Branch Exchange" message
Palabras clave
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
