In a scenario where the AR provides the local regeneration function, a call fails. During the fault locating process, to identify the calling and called number information before and after the number change, obtain the debugging information of the () module.

A. CCM

B. Innertrace

C. sipmsg

D. dss1

A group customer deploys two U1981s in active/standby disaster recovery (DR) mode and deploys a U1960 in both branch A and branch B as the local gateway. One day, due to the carrier network fault, the U1960 in branch A cannot detect the heartbeat of the active and standby U1981s, but the heartbeat connection between the U1960 in branch B and the active and standby U1981s is normal. In this scenario, which of the following statements is CORRECT?

A. Remote disaster recovery (DR) will be triggered.

B. Local regeneration occurs on the U1960 in branch A.

C. Local regeneration occurs on the U1960 in branch B.

D. Nothing will happen.

About the values of SynDataState (synchronization status between the primary and standby nodes), which of the following statements are CORRECT? (Multiple Choice)

A. IDLE indicates that the data is synchronized.

B. First indicates the first full backup.

C. Routine indicates the idle state and that no data synchronization is performed.

D. Unknown indicates that the primary node is not connected to the standby node.

About the multimedia conference configuration, which of the following statements are CORRECT? (Multiple Choice)

A. Huawei multimedia conference core components must include the Meeting MS, unified gateway, and BMU.

B. The conference server information does not need to be configured on the BMU.

C. A SIP trunk destined for the Meeting MS must be configured on the unified gateway.

D. The instant conference service rights must be assigned to a UC account to support the multimedia conference service.

Depending on the capacity, the Meeting Server can be co-deployed with other servers or independently deployed.

A. TRUE

B. FALSE

On a U1900 series unified gateway, which of the following parameters specifies the outgoing call permission of incoming calls that are routed through a trunk?

A. Outgoing call permission of the VU prefix

B. Outgoing call permission of the trunk

C. Outgoing call prefix permission

D. Intra-office call prefix permission

Which of the following statements are CORRECT in the active/standby disaster recovery (DR) scenario? (Multiple Choice)

A. After an active/standby switchover of the gateways for disaster recovery, services can be configured on the standby gateway using the BMU.

B. Either local two-node cluster or remote disaster recovery can be deployed for the gateways.

C. Gateway data can be synchronized from the standby gateway to the active gateway.

D. The active and standby nodes must use the same unified gateway model.

A U1981 has been deployed in an enterprise and connects to the PSTN through the PRA trunk. After an incoming call from an external user is routed through the PRA trunk, to disallow the external user to call other external users, it is recommended that the outgoing call permission of the trunk be set to ().

A. Intra-office call

B. Local call

C. National toll call

D. International toll call

If a company has 150 SIP users (may be expanded to a maximum of 250 SIP users in the future) at its headquarters and 100 SIP users at one of its branches, and if a two-node cluster is required on the primary node, which of the following devices needs to be deployed at the headquarters?

A. U1911

B. U1960

C. U1980

D. U1981

The BMU supports the following CDR related functions: (). (Multiple Choice)

A. Querying, collecting statistics on, and exporting CDRs

B. Setting charging rates

C. Configuring connection to the CDRServer

D. Deleting CDRs