<s>
Media5-fone	B-Protocol
was	O
a	O
VoIP	B-Application
softphone	B-Protocol
developed	O
by	O
Media5	O
,	O
a	O
VoIP	B-Application
company	O
based	O
in	O
Sherbrooke	O
.	O
</s>
<s>
It	O
used	O
the	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
and	O
was	O
interoperable	O
with	O
most	O
IP	O
PBX	O
systems	O
and	O
ITSPs	B-Protocol
.	O
</s>
<s>
In	O
August	O
31	O
,	O
2018	O
,	O
following	O
an	O
end-of-life	O
announcement	O
issued	O
the	O
same	O
year	O
,	O
Media5	O
discontinued	O
the	O
support	O
for	O
Media5-fone	B-Protocol
and	O
subsequently	O
removed	O
the	O
application	B-Application
from	O
various	O
app	B-Application
stores	I-Application
.	O
</s>
<s>
The	O
first	O
iOS	B-Application
version	O
of	O
Media5-fone	B-Protocol
was	O
released	O
in	O
June	O
2009	O
.	O
</s>
<s>
It	O
was	O
built	O
for	O
iPhone	O
and	O
iPod	O
devices	O
running	O
on	O
iPhone	B-Operating_System
OS	I-Operating_System
3	I-Operating_System
,	O
a	O
non	O
multi-tasking	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Most	O
IP	O
PBX	O
systems	O
and	O
Internet	B-Protocol
telephony	I-Protocol
service	I-Protocol
provider	I-Protocol
were	O
compatible	O
with	O
the	O
softclient	O
.	O
</s>
<s>
After	O
this	O
initial	O
release	O
,	O
multiple	O
features	O
upgrade	O
were	O
made	O
;	O
VPN	B-Application
support	O
,	O
configurable	O
ring-tone	O
,	O
Bluetooth	O
,	O
SIP-URI	O
,	O
and	O
compatibility	O
improvements	O
.	O
</s>
<s>
In	O
January	O
2010	O
,	O
Media5-fone	B-Protocol
was	O
released	O
on	O
the	O
OVI	O
Store	O
for	O
the	O
Nokia	O
Smartphones	O
running	O
the	O
S60	B-Language
3rd	O
Symbian	B-Operating_System
Operating	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
This	O
edition	O
survived	O
a	O
short	O
period	O
of	O
time	O
because	O
of	O
the	O
S60	B-Language
deprecation	O
.	O
</s>
<s>
In	O
mid	O
2010	O
,	O
Apple	O
released	O
iOS	B-Application
4	O
and	O
its	O
multi-tasking	B-Operating_System
support	O
.	O
</s>
<s>
Media5-fone	B-Protocol
has	O
since	O
been	O
able	O
to	O
run	O
in	O
the	O
background	O
while	O
another	O
app	O
was	O
in	O
the	O
foreground	O
.	O
</s>
<s>
This	O
brought	O
the	O
iOS	B-Application
edition	O
of	O
the	O
softclient	O
on	O
even	O
ground	O
with	O
the	O
Symbian	B-Operating_System
OS	I-Operating_System
that	O
already	O
supported	O
multi-tasking	B-Operating_System
.	O
</s>
<s>
In	O
February	O
2011	O
,	O
SRTP	B-Protocol
,	O
SDES	B-Protocol
and	O
TLS	B-Protocol
were	O
added	O
as	O
additional	O
features	O
.	O
</s>
<s>
In	O
September	O
2011	O
,	O
Media5-fone	B-Protocol
was	O
released	O
on	O
the	O
Android	B-Application
Market	I-Application
(	O
today	O
Google	B-Application
Play	I-Application
)	O
.	O
</s>
<s>
Since	O
2012	O
,	O
minor	O
improvements	O
were	O
made	O
and	O
a	O
new	O
edition	O
(	O
Media5-fone	B-Protocol
MPS	O
)	O
supporting	O
remote	O
Device	B-Operating_System
Provisioning	I-Operating_System
was	O
released	O
.	O
</s>
<s>
The	O
MPS	O
has	O
also	O
been	O
made	O
available	O
on	O
the	O
Amazon	O
Appstore	O
with	O
the	O
support	O
of	O
Kindle	B-Application
Fire	I-Application
devices	O
.	O
</s>
<s>
Media5	O
Corporation	O
is	O
currently	O
developing	O
the	O
Media5-RCS	O
app	O
,	O
a	O
VoIP	B-Application
Softclient	O
that	O
supports	O
Rich	O
Communication	O
Services	O
.	O
</s>
