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Telephone<br />
ISP<br />
ONATEL<br />
NETWORK<br />
Telephone<br />
Workstation<br />
C<br />
B<br />
R2 or SS7 circuits<br />
CIT Voice serveur<br />
with<br />
TCP/IP capabilities<br />
Computer<br />
with a<br />
modem<br />
Telephone<br />
A<br />
unidirectional<br />
telephone<br />
lines<br />
ISP INTERNET BACKBONE<br />
Workstation<br />
Modems<br />
Router<br />
Internet data Servers<br />
COSITU - Le modèle tarifaire de l'UIT 83<br />
Router<br />
Internet<br />
Boundary
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