<s>
Dial-Gate	O
VoIP	B-Application
Softswitch	B-Device
is	O
a	O
SIP-based	O
IP-PBX	O
software	O
for	O
businesses	O
,	O
first	O
released	O
in	O
2006	O
by	O
Canadian	O
VoIP	B-Application
PBX	B-Device
solution	O
provider	O
Dialexia	O
.	O
</s>
<s>
The	O
software	O
serves	O
as	O
a	O
web-based	O
softswitch	B-Device
and	O
billing	O
server	O
for	O
VoIP	B-Application
and	O
PSTN	O
networks	O
.	O
</s>
<s>
On	O
June	O
3	O
,	O
2014	O
,	O
the	O
Dialexia	O
development	O
team	O
announced	O
in	O
a	O
client	O
newsletter	O
that	O
support	O
for	O
Dial-Gate	O
Softswitch	B-Device
versions	O
3.9	O
and	O
earlier	O
would	O
cease	O
effective	O
September	O
1	O
,	O
2014	O
.	O
</s>
<s>
It	O
is	O
integrated	O
with	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
Server	I-Operating_System
to	O
provide	O
voicemail	O
unification	O
,	O
instant	B-Application
messaging	I-Application
and	O
VideoOverIP	B-Protocol
.	O
</s>
<s>
On	O
November	O
19	O
,	O
2014	O
,	O
Dialexia	O
issued	O
a	O
press	O
release	O
announcing	O
the	O
integration	O
of	O
WebRTC	B-Protocol
capabilities	O
to	O
Dial	O
Gate	O
Softswitch	B-Device
PBX	B-Device
.	O
</s>
