<s>
BORSCHT	B-Device
is	O
an	O
acronym	O
for	O
the	O
set	O
of	O
functions	O
performed	O
by	O
a	O
subscriber	O
line	O
interface	O
circuit	O
(	O
SLIC	O
)	O
in	O
the	O
line	O
card	O
of	O
a	O
telecommunication	O
system	O
providing	O
plain	O
old	O
telephone	O
service	O
.	O
</s>
<s>
An	O
earlier	O
or	O
alternate	O
version	O
of	O
the	O
acronym	O
is	O
BORSHT	B-Device
,	O
lacking	O
the	O
letter	O
C	O
for	O
the	O
coding	O
function	O
.	O
</s>
<s>
Coding	O
Coding	O
includes	O
μ-Law	B-Algorithm
coding	I-Algorithm
in	O
North	O
America	O
and	O
A-Law	O
coding	O
in	O
Europe	O
.	O
</s>
<s>
This	O
includes	O
the	O
A/D	O
and	O
D/A	O
conversion	O
,	O
companding	B-Algorithm
and	O
framing	O
for	O
time-division	B-Protocol
multiplexing	I-Protocol
.	O
</s>
<s>
Loop-around	O
tests	O
measure	O
the	O
hybrid	O
and	O
codec	B-General_Concept
performance	O
.	O
</s>
