H11-879 무료 덤프문제 온라인 액세스

Regarding call bills and billing scenarios, which of the following statements is correct () (multiple choice)

• A.Users can query the bill data through the web page of the U1900 unified gateway
• B.The CDR data will eventually need to be imported into the CDR database
• C.A single bill server can store and process bill data from multiple IP PBX hosts at the same time
• D.In the CDR integrated network, the third-party billing system is used as FTP Client

The following description of the local regeneration function is wrong ()

• A.The heartbeat mechanism between the central node and the local node monitors the operating status of the peer device
• B.The central node and the local node are interconnected through SIP relay
• C.The POTS phone of the local node is registered on the local node
• D.Under normal circumstances, the IP phone of the local node is registered at the central node

In the Huawei eSpace UC solution, U1981, U1980, U1960, U1911 all support dual-system active and standby () Correct or Wrong

• A.Wrong
• B.Correct

In the U1900 series unified gateways, what is the correct statement about the prefix? ()

• A.Intra-office prefix refers to the prefix used when dialing between different extensions of the same company
• B.The prefix is divided into intra-office prefix and outgoing prefix
• C.The prefix must correspond to the office route selection code
• D.Since prefix 28 includes prefix 289, the system performs the called number according to the maximum matching principle Analysis, the call with the called number 28901111 should choose prefix 28

The U1900 system is connected to the PSTN through a digital trunk. In U1900, phone A cannot call user B's On mobile phone, user B can call back phone A normally. Which of the following reasons may cause this failure? () (single choice)

• A.The digital trunk connection between U1900 and PSTN is faulty.
• B.Phone A is not registered properly.
• C.Phone A has been added to the system's blacklist of called parties
• D.Phone A outbound call permission restriction