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NEW QUESTION 1
Which of the following voice mail service (VMS) functions does U1900 series gateway support? (Multiple Choice)
- A. Call transfer to voice mailbox unconditional
- B. Conditional call transfer to voice mailbox
- C. Call transfer to voice mailbox offline
- D. Call transfer to voice mailbox on busy
Answer: ACD
NEW QUESTION 2
Four intra-office call prefixes 1,12,123, and 1234 are configured on a U1900 series unified gateway. When a user dials the intra-office number 12345, the matched intra-office call prefix is
- A. 1
- B. 12
- C. 123
- D. 1234
Answer: D
NEW QUESTION 3
Analog phone A registers with a U1960 unified gateway through the IAD proxy. IP phone B also registers with the U1960. If the U1960 encounters an unexpected power failure when A and B are engaged in a call, the call between A and B is interrupted immediately.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 4
In which of the following conditions may call barring occur? (Multiple Choice)
- A. When the CPU usage of IP PBX exceeds the threshold
- B. When the bill pool of IP PBX is full
- C. When the trunk usage exceeds a certain level
- D. MTU board fault
Answer: AB
NEW QUESTION 5
To centrally deploy and upgrade eSpace IP phones in DHCP Option 246 mode, set Option246 of the DHCP server to ().
- A. IP address segment
- B. Configuration file URL
- C. Policy file URL
- D. HTTP Server IP address
Answer: C
NEW QUESTION 6
When scheduling the multi-point voice conference, the U1960 provides conference resources through the () board
- A. MTU
- B. ASI
- C. DTU
- D. SCU
Answer: A
NEW QUESTION 7
In U1900 serials unified gateway, which of the following approaches can be used for modifying called numbers for outgoing calls?
- A. Number change
- B. Long and short number
- C. Number mapping
- D. None of the above
Answer: A
NEW QUESTION 8
Perform the following configurations on the U1960:
1. Create a number change rule by setting Number change index to 0, Change type to Change Number, Starting position to 0, Length to 4, and New number to 28560000.
2. Create another number change rule by setting Number change index to 1, Change type to Change Number, Starting position to 0, Length to 1, and New number to 17951.
3. Create a prefix by setting Prefix to 9, Service type to Basic service, Call property to Local call, Called number change to 0, and Calling number change to 1.
According to the preceding configurations, which of the following statements is CORRECT when user 7200 dials 933333333?
- A. The calling number will be changed to 17951200.
- B. The called number will be changed to 1795133333333.
- C. The calling number will be changed to 28560000.
- D. The calling number is not change
Answer: A
NEW QUESTION 9
The U1981 unified gateway supports () PRA trunk at most.
- A. 4
- B. 8
- C. 12
- D. 24
Answer: D
NEW QUESTION 10
Which of the following statements about IAD196 functions and features are CORRECT? (Multiple Choice)
- A. One IAD196 supports 196 POTS users at most.
- B. One IAD196 provides 1 main control board slot and 3 interface board slots.
- C. It supports local switch.
- D. When configured with ASI board, it is capable of power-off surviva
Answer: BC
NEW QUESTION 11
The CDR transmission control switch is configured on the unified gateway.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 12
Under the same network conditions, which of the following codec provides the best voice quality?
- A. G.711
- B. G.726
- C. G.723.1
- D. G.728
- E. G.729
Answer: A
NEW QUESTION 13
Faxes can be sent and received through Internet in transparent transmission orT.38 mode. The difference is that faxes are transmitted as voice packets over Internet in transparent transmission mode while as data packets over Internet in T.38 mode.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 14
Which of the following statements are CORRECT? (Multiple Choice)
- A. The AT0 trunk is often used to implement DDI features.
- B. The SS7 trunk can be an ISUP trunk or a TUP trunk.
- C. The PRA can be configured at the user side or at the network side.
- D. SIP is a transport-layer control (signaling) protoco
Answer: ABC
NEW QUESTION 15
In an enterprise's VoIP network, IP phone A registers with the U1981, and POTS phone B registers with the same U1981 through an IAD. During a call between phones A and B, which of the following statements are correct about signaling and media streams? (Multiple Choice)
- A. The flow for signaling streams is the same as that for media streams.
- B. Signaling streams must traverse eSpace U1981, while media streams do not.
- C. Media streams are transmitted directly between IP phone A and the IAD.
- D. If eSpace U1981 fails (when the call between phones A and B has been continued for 5 minutes), the call between phones A and B is disconnected immediately.
Answer: BC
NEW QUESTION 16
Add a prefix on the U1960. Set the prefix attributes as follows:
Prefix: 9
Call property: local call
Called number change: None
Calling number change: 1
Display long calling number: Yes
Which of the following statements are CORRECT? (Assume that no additional configurations are required except for the necessary configurations and a trunk has been correctly connected to the peer office.)
(Multiple Choice)
- A. Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 7000.
- B. Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 7000.
- C. Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 05717000.
- D. Assume that the number 7000 is an intra-office number short for 05717000. In normal cases, we can use this phone number to call an outer-office user whose number is 8000.
Answer: BC
NEW QUESTION 17
In U1900 series unified gateway, what is the relationship between the office route selection code and the office route?
- A. One-to-one
- B. One-to-many
- C. Many-to-one
- D. Many-to-many
Answer: D
NEW QUESTION 18
Fax machines can use PSTN to transmit signals. Fax machines can be classified into group 1, group 2, group 3, and group 4 fax machines by transmission speed and modulation mode.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 19
Which of the following statements about Audio Paging Service are CORRECT? (Multiple Choice)
- A. A paging group supports only one channel broadcast at the same time.
- B. The audio paging service takes priority over all the other services.
- C. The paging access code can be used as the called number in a voice conference.
- D. Users who are engaged in ongoing calls listen to the broadcast in whisper
Answer: AD
NEW QUESTION 20
Which of the following indicates a server error in SIP protocol?
- A. 3xx
- B. 4xx
- C. 5xx
- D. 6xx
Answer: C
NEW QUESTION 21
An MTU board in U1960 supports ( ) El ports at most.
- A. 1
- B. 2
- C. 3
- D. 4
Answer: D
NEW QUESTION 22
Which of the following statements is CORRECT about call rights and user rights on U1900? A. User rights are configured during prefix configuration.
- A. The international call right can be used only for configuring the outgoing prefix.
- B. The international call right can be used for configuring prefixes only starting with 900.
- C. If you do not configure the user right when a user is being added, the user right is Normal by defaul
Answer: B
NEW QUESTION 23
Numbers have been allocated to SIP users on the U1900 series unified gateway. Numbers can be allocated to analog phones directly connected to the IAD only after () are configured on the IAD. (Multiple Choice)
- A. SIP server IP address
- B. FXS users
- C. FXO users
- D. SIP Trunk parameters
Answer: AB
NEW QUESTION 24
Which of the following statements are CORRECT about the instant conference service in U1900? (Multiple Choice)
- A. All the internal users can be invited.
- B. The instant conference service is enabled for all uses by default.
- C. Users with Normal or higher privilege has the instant conference service enabled by default.
- D. Users with Advanced or higher privilege has the instant conference service enabled by defaul
Answer: AC
NEW QUESTION 25
Which of the following statements are CORRECT About PRA and QSIG trunks on U1900? (Multiple Choice)
- A. These two types of trunks are the same, and their configurations are the same.
- B. A PRA trunk uses DSS1 signaling as the control signaling, while a QSIG trunk uses QSIG signaling as the control signaling.
- C. The signaling used by these two types of trunks is based on network/user model.
- D. For an El trunk, if one end is a PRA trunk and the other end is a QSIG trunk, the two devices at the two ends can still be connected using this El trunk.
Answer: BC
NEW QUESTION 26
SIP user configuration shown in the following figure exists on the U1900 series unified gateway. Which of the following statements is CORRECT?
- A. User 7000 can make intra-office and local calls.
- B. User 7000 can make only intra-office calls.
- C. User 7000 can make national toll calls in the specified time segment.
- D. User 7000 can make international toll call
Answer: A
NEW QUESTION 27
U1900s can be connected to traditional PBXs through () to maximize customers' ROI in the early stage. (Multiple Choice)
- A. ATO
- B. PRA
- C. SIP
- D. H.323
Answer: AB
NEW QUESTION 28
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