In the two typical networking schemes of AR voice routers, which of the following statements is CORRECT?
A. AR routers in local branch scenarios do not provide the IP phone registration function in any case.
B. When a device on the central node is faulty and the AR router in the local branch scenario enables the local regeneration function, IP phones on both the central node and the local node register with the AR router.
C. When configuring the AR router in local branch scenarios, you do not need to configure user data; All user data is synchronized from the central gateway.
D. AR routers in independent PBX scenarios can provide diverse functions such as user registration, call routing, voice services, and automatic switchboard.
The administrator can add information about an enterprise user on the BMU.
A. TRUE
B. FALSE
Which of the following statements are CORRECT about mobile rich media functions? (Multiple Choice)
A. Rich media include pictures.
B. Rich media include audio clips.
C. Rich media include video clips.
D. eSpace Mobile can send rich media to eSpace Desktop.
E. eSpace Mobile cannot send rich media to eSpace Desktop.
About the multimedia conference service, which of the following statements are CORRECT? (Multiple Choice)
A. The voice conference resources are provided by the unified gateway.
B. The conference control function is provided by the data conference server.
C. In a peer-to-peer network, the conference access code for a data conference can be the same on each of the unified gateway.
D. When you schedule a conference, the number of participants can exceed the upper limit supported by the license of the unified gateway. But the number of concurrent online users in conferences cannot exceed the license's upper limit.
In a multi-node centralized call management network, when local node is connected to the central active and standby node, the SIP trunks and the office route selection codes are automatically created after a distributed network is configured.
A. TRUE
B. FALSE
In the local regeneration scenario, assume that user A is a SIP user in branch site 1 and user B is a PSTN user outside branch site 1. User A calls user B through the gateway in branch site 1. In the case that local regeneration occurs in branch site 1, RTP streams go through the following path after user A calls user B and the call between user A and user B is set up: ().
A. User A <->branch site 1
B. User A<->central site<->branch site 1
C. User A->branch site l->central site->branch site 1
D. None of the above
Which of the following components provides the status presence function?
A. BMU
B. eServer
C. MAA
D. eSpace Meeting
In a distributed disaster recovery network, SIP users on the local node select the () as the SIP server preferentially.
A. Local node
B. Primary node
C. Standby node
An enterprise requires high system reliability, so servers, for example, eServer, must be deployed in two-node cluster or load-balance cluster mode. In this scenario, the servers can be deployed in the Windows operating system of standard edition.
A. TRUE
B. FALSE
About a multi-node centralized network, which of the following statements is CORRECT?
A. U1981 cannot function as a branch node.
B. All types of users on the local node are synchronized from the central node.
C. On the central node, you can view the information about the licenses of the central node and local node.
D. The number of users on a local node that register with the central node cannot exceed the number supported by the license.
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