In addition to the number of trunks required to extend calls, what other design issue must be considered?

Refer to the Scenario: IT-FAC.

With their new IP Office™, you decide to propose twinning to the mobile users. To twin external calls from the IP Office to these mobile users, on-premise or off-premise, requires two trunks; incoming and outgoing. To support 10 simultaneous calls requires 20 trunks.

In addition to the number of trunks required to extend calls, what other design issue must be considered?
A . The incoming and outgoing trunk must be digital.
B . The Incoming trunk can be analog or digital and the outgoing trunk must be digital.
C . The incoming and outgoing trunk can be analog or digital.
D . The incoming trunk must be digital and the outgoing can be analog or digital.

View Answer

Answer: D