Which of the following intelligent routing policies are supported by U1900? (Multiple Choice)

• A. Routing by time segment
• B. Routing by VoIP domain
• C. Rerouting upon a routing failure
• D. Routing by trunk level

In U1900 serials unified gateway, which of the following approaches can be used for modifying calling numbers to long numbers for outgoing calls? (Multiple Choice)

• A. Calling number change
• B. Prefix change for the calling number
• C. Long and short number
• D. Number mapping

Which of the following statements is CORRECT about FXO and FXS ports?

• A. The phone line of a POTS phone connects to an FXO port.
• B. An office has deployed an IAD to provide call services for 10 employees. In this scenario, the FXS port on the IAD can be used for PSTN outgoing calls.
• C. FXO port on the PBX connects to the POTS phone.
• D. An FXS port can connect to another FXS port.

Assume that the following requirement is to be implemented: If a U1900 user dials the number of a PSTN user, carrier A's trunk is preferred to route the call. When carrier A's network is faulty, carrier B's trunk is used to route the call. Assume that the office route selection code of carrier A is 1, and the office route selection code of carrier B is 2.
In this case, which the following configurations is CORRECT?

• A. 1. Set Failure Processing Index to 0, Rerouting policy upon failure to Routing failure, and Selection node of standby office route to 2. 2. Set Office route selection code to 1 and Failure Processing Index to 0. 3. Set Failure Processing Index to 1, Rerouting policy upon failure to Routing failure, and Selection node of standby office route to 1. 4. Set Office route selection code to 2 and Failure Processing Index to 1.
• B. 1. Set Office route selection code to 2 and Failure Processing Index to None. 2. Set Failure Processing Index to 0, Rerouting policy upon failure to Routing failure, and Selection node of standby office route to 1. 3. Set Office route selection code to 1 and Failure Processing Index to 0.
• C. 1. Set Office route selection code to 2 and Failure Processing Index to None. 2. Set Failure Processing Index to 0, Rerouting policy upon failure to Routing failure, and Selection node of standby office route to 2. 3. Set Office route selection code to 1 and Failure Processing Index to 0.
• D. 1. Set Office route selection code to 2 and Failure Processing Index to None. 2. Set Failure Processing Index to 0, Rerouting policy upon failure to Routing failure, and Selection node of standby office route to 2. 3. Set Office route selection code to 1 and Failure Processing Index to None.

An administrator customizes announcements by real-time recording through a telephone. On completing of the recording, the customized announcements are stored in ().

• A. The SD card of active MTU board
• B. The MTU RAM that provides DSP resources for calls
• C. The SD card of active SCU board
• D. The flash of active SCU board