In U1900 series unified gateway, which of the following models supports dual main control board? (Multiple Choice)
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
()•
When configuring the U1960, which of the following boards do you need to add in the web management or Cli? (Multiple Choice)
A company deploys a U1981 and CDRServer. The administrator runs the following command on the U1981:
config billpoolfuil billdiscard no
When the CDR pool usage reaches 100%, the earliest CDRs will be overwritten.
Through the eSight version file management function, version files of IP phones can be updated and upgraded in batches.
Which of the following statements are CORRECT about the automatic switchboard service of U1900?
(Multiple Choice)
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
Which of the following statements are CORRECT about the PRA protocol? (Multiple Choice)
For U1900, which of the following steps must be involved for configuring a PRA trunk? (Multiple Choice)
A company plans to purchase a U1900 unified gateway. To support 1000 conference participants at most, A company should choose().
U1900 series unified gateways use highly-integrated SIP Softswitch as its core, supports both narrowband and broadband services, and enables the access of multiple terminals including analog phones, IP phones, and UC terminals.
Which of the following statements about the centralized call management network are CORRECT? (Multiple Choice)
Which of the following intelligent routing policies are supported by U1900? (Multiple Choice)
When an eSpace IP phone is deployed with a PC, the network port of the eSpace IP phone must be connected to the switch independently.
By default, the interval for refreshing the registered SIP server is set to ()s on an IP phone.
Which of the following statements about Audio Paging Service are CORRECT? (Multiple Choice)
An eSpace 7950 supports a maximum of 12 concurrent calls and 12 login accounts.
Which of the following statements are CORRECT about the logical call process on U1900?
Which of the following statements are CORRECT about the advanced secretary service of U1900 series unified gateways? (Multiple Choice)
Compared with analog phones, digital phones feature diverse functions and quick connection However, digital phones are expansive and cannot be widely used.
In U1900 series unified gateway, what is the relationship between the office route selection code and the office route?
Company A plans to deploy the automatic switchboard service, through which users can dial the desired extension numbers or dial 0 to connect to the secretary deployment as prompted. The short numbers for company A's employees contain four digits, and the long numbers contain eight digits. To prevent toll fraud of external users, the length of the number dialed following the automatic switchboard number needs to be limited to () digits.
To enable incoming calls to intra-office users are routed through a SIP trunk, which of the following parameters must be set on the U1900 series unified gateway? (Multiple Choice)
The eSpace IPT solution architecture consists of several layers including terminal access, call control, and service application layers. Which of the following components belongs to the call control layer?