<s>
G.723	B-Algorithm
is	O
an	O
ITU-T	O
standard	O
speech	O
codec	B-General_Concept
using	O
extensions	O
of	O
G.721	B-Algorithm
providing	O
voice	O
quality	O
covering	O
300Hz	O
to	O
3400Hz	O
using	O
Adaptive	B-Algorithm
Differential	I-Algorithm
Pulse	I-Algorithm
Code	I-Algorithm
Modulation	I-Algorithm
(	O
ADPCM	B-Algorithm
)	O
to	O
24	O
and	O
40	O
kbit/s	O
for	O
digital	B-Protocol
circuit	I-Protocol
multiplication	I-Protocol
equipment	I-Protocol
(	O
DCME	B-Protocol
)	O
applications	O
.	O
</s>
<s>
The	O
standard	O
G.723	B-Algorithm
is	O
obsolete	O
and	O
has	O
been	O
superseded	O
by	O
G.726	B-Algorithm
.	O
</s>
<s>
Note	O
that	O
this	O
is	O
a	O
completely	O
different	O
codec	B-General_Concept
from	O
G.723.1	B-Algorithm
.	O
</s>
