<s>
GTT	B-Application
Communications	I-Application
,	I-Application
Inc	I-Application
.	I-Application
(	O
GTT	O
)	O
,	O
formerly	O
Global	O
Telecom	O
and	O
Technology	O
,	O
is	O
a	O
multinational	O
telecommunications	O
and	O
internet	O
service	O
provider	O
company	O
with	O
headquarters	O
in	O
McLean	O
,	O
Virginia	O
,	O
and	O
incorporated	O
in	O
Delaware	O
.	O
</s>
<s>
GTT	O
operates	O
a	O
Tier	B-Architecture
1	I-Architecture
IP	I-Architecture
network	I-Architecture
,	O
and	O
provides	O
Internet	O
;	O
wide	O
area	O
networking	O
,	O
SD-WAN	B-Architecture
;	O
security	O
,	O
managed	O
services	O
;	O
and	O
voice	O
and	O
video	O
transport	O
services	O
.	O
</s>
<s>
In	O
April	O
2005	O
,	O
Mercator	O
Partners	O
,	O
a	O
special	O
purpose	O
acquisition	O
company	O
bought	O
both	O
Global	O
Internetworking	O
Inc	O
.	O
and	O
European	O
Telecommunications	O
&	O
Technology	O
in	O
2006	O
,	O
merging	O
the	O
two	O
companies	O
 '	O
operations	O
and	O
renaming	O
it	O
Global	B-Application
Telecom	I-Application
&	I-Application
Technology	I-Application
,	I-Application
Inc	I-Application
.	I-Application
(	O
GTT	O
)	O
.	O
</s>
<s>
In	O
December	O
2009	O
,	O
GTT	O
acquired	O
Denver-based	O
WBS	O
Connect	O
in	O
a	O
stock	O
and	O
cash	O
transaction	O
,	O
shifting	O
its	O
business	O
model	O
to	O
a	O
network	O
operator	O
providing	O
IP	B-Application
transit	I-Application
and	O
Ethernet	O
services	O
.	O
</s>
<s>
In	O
June	O
2011	O
GTT	O
acquired	O
PacketExchange	O
,	O
a	O
privately	O
held	O
UK	O
company	O
and	O
operator	O
of	O
a	O
global	O
IP	B-Application
backbone	O
,	O
for	O
$20	O
million	O
in	O
cash	O
.	O
</s>
<s>
In	O
May	O
2012	O
GTT	O
acquired	O
nLayer	B-Application
Communications	I-Application
,	O
a	O
privately	O
held	O
global	O
IP	B-Application
backbone	O
,	O
for	O
$18	O
million	O
.	O
</s>
<s>
In	O
April	O
2013	O
GTT	O
acquired	O
the	O
Tier	B-Architecture
1	I-Architecture
IP	I-Architecture
network	I-Architecture
,	O
Tinet	B-Application
(	O
formerly	O
Tiscali	B-Application
International	I-Application
Network	I-Application
)	O
,	O
from	O
Inteliquent	O
for	O
$54.5	O
million	O
in	O
cash	O
and	O
services	O
,	O
resulting	O
in	O
Tier	O
1	O
status	O
for	O
GTT	O
's	O
global	O
IP	B-Application
network	O
.	O
</s>
<s>
On	O
January	O
14	O
,	O
2014	O
,	O
GTT	O
officially	O
changed	O
its	O
name	O
to	O
GTT	B-Application
Communications	I-Application
,	I-Application
Inc	I-Application
.	I-Application
</s>
<s>
In	O
May	O
,	O
GTT	O
purchased	O
IP	B-Application
broker	O
and	O
aggregator	O
Giglinx	O
,	O
for	O
$21	O
million	O
.	O
</s>
<s>
On	O
December	O
2	O
,	O
2019	O
GTT	O
completed	O
its	O
acquisition	O
of	O
KPN	O
International	O
,	O
a	O
division	O
of	O
Netherlands-based	O
telecommunications	O
company	O
KPN	O
N.V.	O
,	O
operating	O
a	O
global	O
IP	B-Application
network	O
serving	O
enterprise	O
and	O
carrier	O
clients	O
.	O
</s>
<s>
On	O
August	O
2	O
,	O
2021	O
,	O
The	O
New	O
York	O
Stock	O
Exchange	O
delisted	O
GTT	B-Application
Communications	I-Application
 '	O
shares	O
after	O
it	O
failed	O
to	O
file	O
its	O
quarterly	O
and	O
annual	O
results	O
.	O
</s>
<s>
The	O
company	O
's	O
high	O
speed	O
Internet	O
services	O
include	O
IP	B-Application
transit	I-Application
,	O
dedicated	O
internet	O
access	O
and	O
broadband	O
internet	O
services	O
.	O
</s>
<s>
GTT	O
provides	O
WAN	O
services	O
,	O
including	O
SD-WAN	B-Architecture
,	O
VPLS	O
,	O
MPLS	O
,	O
and	O
Ethernet	O
point-to-point	O
services	O
,	O
which	O
are	O
transported	O
across	O
the	O
company	O
's	O
Tier	O
1	O
global	O
IP	B-Application
network	O
.	O
</s>
<s>
GTT	O
's	O
enterprise	O
voice	O
services	O
include	O
SIP	B-Protocol
trunking	I-Protocol
,	O
with	O
termination	O
services	O
offered	O
to	O
more	O
than	O
155	O
countries	O
across	O
the	O
globe	O
.	O
</s>
<s>
GTT	O
also	O
offers	O
Cloud	O
Phone	O
System	O
Direct	O
service	O
which	O
provides	O
PSTN	O
access	O
to	O
users	O
via	O
pre-established	O
connections	O
to	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
(	O
SaaS	B-Architecture
)	O
providers	O
of	O
unified	O
collaboration	O
apps	O
including	O
Microsoft	B-Application
Teams	I-Application
and	O
Cisco	O
Webex	O
call	O
routing	O
capabilities	O
.	O
</s>
