During automatic switchboard configuration on a U1900 series unified gateway, if the intra-office short number consists of five digits, the administrator needs to configure an extension number that contains at most four digits to prevent toll fraud.
In a multi-node centralized network, there is a central node with a U1981 deployed, and two branch nodes, one with a U1911 and the other with a U1960. After a call from SIP user A under U1911 to POTS user B under U1960 is connected, the path along which the RTP streams are transmitted is ().
The eSpace UC solution supports the following multimedia conferencing functions (). (Multiple Choice)
When eSpace clients connect to an enterprise's internal network over the Internet, which of the following services requires an SBC?
Which of the following components do NOT belong to the enterprise communications suite (ECS) in the UC solution? (Multiple Choice)
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 ().
An enterprise has two U1981s working in active/standby mode for discover recovery, and the following commands are executed on the active device. According to the preceding command output, which of the following statements are CORRECT? (Multiple Choice)
When configuring a recording solution, configure a recording access code on the U1900 series unified gateway. End users can dial the recording access code to initiate recording requests to the recording server.
An enterprise has two U1981s working in active/standby mode for discover recovery, and the config modify switch waittime 10 command is executed on the standby device. One morning, the active device was faulty at 09:00, and recovered at 09:05. At this time, ().
Slots 1 and 2 on an AR router are SIC card slots. One 1E1/T1-M card is inserted into slot 1, and its interface number is 1/0/0. Now, a WSIC card of 8E1/T1-M is used to replace the 1E1/T1-M card to be inserted in slots 1 and 2. Then, the number of interface 0 on the 8E1/T1-M card is ().
The AR router on a branch node is in local regeneration state. When user A on the PSTN dials the long number of user B on the AR router, the call connection fails. Which of the following measures can be used to troubleshoot the fault? (Multiple Choice)
During automatic switchboard configuration on a U1900 series unified gateway, the outgoing call permission of the VU must be set to () to implement the following requirement: When users dial the automatic switchboard number, the calls are forwarded only to intra-office numbers.
If users can only send instant messages but cannot make calls after logging in to the eSpace Desktop, the possible cause is that ().
About eSpace Desktop, which of the following statements are CORRECT? (Multiple Choice)
In the two typical networking schemes of AR voice routers, which of the following statements is CORRECT?
During software installation, you can first install the eServer and then the BMU and database.
In a multi-node centralized network, which of the following statements are CORRECT if the central node is disconnected from a local node? (Multiple Choice)
The eSpace UC solution can provide multiple reliability guarantee technologies, including (). (Multiple Choice)
In a multi-node centralized network, the status of analog users of the local node is normally displayed as () on the primary node.
In the eSpace UC solution, an SQL Server 2008 R2 of the standard edition is used with the eSpace Audio Recorder in a single-node system.
You can configure IP phone linkage by creating a UC number and binding the UC number to an existing SIP number. The prerequisite for implementing this function is that ( ).
During the switchover between the active node and the standby node in the remote disaster recovery scenario, ongoing voice conferences will be interrupted.
A UC account is added on the BMU, and UC services are disabled and a service number is bound to this account. About this account, which of the following statements are CORRECT? (Multiple Choice)
Which two of the following devices are recommended to be deployed in the DMZ of an enterprise?
(Multiple Choice)
In AR series routers, routers whose names contain the letter () support voice functions.
The administrator can add information about an enterprise user on the BMU.