<s>
Telephone	O
is	O
a	O
softphone	B-Protocol
for	O
macOS	B-Application
developed	O
by	O
64	O
Characters	O
.	O
</s>
<s>
It	O
uses	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
for	O
communication	O
.	O
</s>
<s>
Telephone	O
is	O
distributed	O
as	O
free	B-Application
software	I-Application
under	O
the	O
GPL-3.0-or-later	B-License
license	O
.	O
</s>
