問題文
A POTS dial peer on a Local Gateway carries an incoming translation profile as well as the command for direct inward dialing. What does each of the two do?
選択肢
- The profile picks the trunk that the call is to leave by, and the command holds the call until the far end has answered so that the digits are not clipped.
- The profile adds a routing tag to every called number that came in, and the command routes the call without a second dial tone.
- The profile chooses the voice port for the call, and the command tells the gateway to collect the remaining digits itself before it routes the call any further at all.
- The profile records the call for later billing, and the command lets the call reach an extension straight from the trunk while a second dial tone is still played to the caller.