<s>
A	O
notification	B-General_Concept
service	I-General_Concept
provides	O
means	O
to	O
send	O
a	O
notice	O
to	O
many	O
persons	O
at	O
once	O
.	O
</s>
<s>
When	O
notification	B-General_Concept
services	I-General_Concept
are	O
used	O
for	O
emergency	O
notification	O
,	O
they	O
are	O
often	O
called	O
Emergency	O
Mass	O
Notification	B-General_Concept
Services	I-General_Concept
(	O
EMNS	O
)	O
.	O
</s>
<s>
Notification	B-General_Concept
services	I-General_Concept
and	O
emergency	B-General_Concept
notification	I-General_Concept
services	I-General_Concept
can	O
provide	O
a	O
wide	O
range	O
of	O
options	O
,	O
including	O
:	O
</s>
<s>
The	O
notification	B-General_Concept
service	I-General_Concept
equipment	O
may	O
be	O
owned	O
by	O
the	O
sender	O
,	O
or	O
may	O
owned	O
by	O
a	O
service	O
provider	O
.	O
</s>
