<s>
TDM-to-packet	B-Protocol
conversion	I-Protocol
is	O
the	O
process	O
of	O
converting	O
a	O
digital	O
signal	O
in	O
TDM	B-Protocol
format	O
(	O
typically	O
a	O
64	O
Kbit/second	O
signal	O
encoded	O
with	O
mu-law	B-Algorithm
or	O
A-law	B-Algorithm
compression	O
)	O
into	O
packets	O
(	O
typically	O
RTP	B-Protocol
packets	O
)	O
for	O
carrying	O
over	O
a	O
packet	O
network	O
such	O
as	O
the	O
Internet	O
.	O
</s>
<s>
The	O
conversion	O
process	O
may	O
include	O
recoding	O
with	O
a	O
different	O
codec	B-General_Concept
,	O
silence	O
suppression	O
,	O
comfort	O
noise	O
generation	O
and	O
other	O
tricks	O
that	O
can	O
decrease	O
the	O
bandwidth	O
requirement	O
or	O
improve	O
the	O
perceived	O
voice	O
quality	O
of	O
the	O
result	O
.	O
</s>
<s>
Note	O
that	O
this	O
is	O
a	O
conversion	O
of	O
the	O
signal	O
,	O
not	O
a	O
tunnelling	O
,	O
unlike	O
TDM	B-Protocol
over	I-Protocol
IP	I-Protocol
,	O
which	O
aims	O
at	O
transporting	O
a	O
TDM	B-Protocol
signal	O
unchanged	O
across	O
an	O
IP	O
network	O
.	O
</s>
