<s>
Nortel	O
Meridian	O
M3000	O
Touchphone	O
-	O
world	O
's	O
first	O
production	O
touchphone	O
-	O
a	O
telephone	O
with	O
all	O
indicators	O
and	O
functions	O
managed	O
by	O
a	O
touchscreen	B-Device
.	O
</s>
<s>
Due	O
to	O
proprietary	O
digital	O
signalling	O
,	O
VoIP	B-Application
ATA	B-Protocol
cannot	O
be	O
used	O
for	O
VoIP	B-Application
Enable	O
this	O
Phone	O
.	O
</s>
