<s>
Voipfone	B-Application
is	O
a	O
UK	O
(	O
London	O
)	O
based	O
Internet	B-Application
Telephone	I-Application
Service	I-Application
(	O
VoIP	B-Application
)	O
provided	O
by	O
iNet	O
Telecoms	O
Ltd	O
,	O
which	O
was	O
founded	O
in	O
2004	O
by	O
Lee	O
Rose	O
.	O
</s>
<s>
The	O
company	O
develops	O
standards	O
based	O
,	O
VoIP	B-Application
telephony	I-Application
services	O
using	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
(	O
SIP	O
)	O
.	O
</s>
