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In U1900 series unified gateway, which of the following is CORRECT concerning number conversion priority?
The U1981 unified gateway provides a web management system to enable maintenance personnel to perform (). (Multiple Choice)
Which of the following configuration steps does not belong to the PIN-Code call barring configuration process?
A SIP trunk is an IP-based packet trunk. If the SIP trunk uses SIP signaling as the signaling control protocol, only UDP can be used as the transport layer protocol.
Fax machines can use PSTN to transmit signals. Fax machines can be classified into group 1, group 2, group 3, and group 4 fax machines by transmission speed and modulation mode.
Which of the following statements are CORRECT about the instant conference service in U1900? (Multiple Choice)
A () network is suitable for an enterprise with no more than 20,000 users that does not have branches or has branches that do not require bcal regeneration.
eSight, DNS server, and DHCP server have been deployed in the live network of an enterprise. If 200 IP phones are added, which of the following methods cannot be used to configure the TR069 parameter for the IP phones in batches?
A user can place calls but cannot receive calls. What are the possible causes? (Multiple Choice)
Through the eSight version file management function, version files of IP phones can be updated and upgraded in batches.
The HTTP server can deliver the same policy file to eSpace IP phones of the same model to upgrade the IP phones in batches.
Which of the following does not bebng to the U1900 cabling specifications?
To enable the automatic number allocation function, set the BIN channel parameters of the U1900 on eSight, among which the password must be set to the ()?
Perform the following configurations on the U1960:
1. Create an office route selection code by setting Office route selection code to 8, Office route selection policy to None, and Failure Processing Index to None.
2. Create an office route by setting Office route number to 8 and Office route selection code to 8.
3. Create another office route by setting Office route number to 9 and Office route selection code to 8.
4. Create a prefix by setting Prefix to 9, Service type to Basic service, Call property to Local call. Called number change to None, and Office route selection code to 8.
According to the preceding configurations, which of the following statements is CORRECT? ()
When a user dials the VMS unified access prefix to retrieve messages, the user needs to enter authentication information, for example, the password.
Which of the following statements are CORRECT about the narrowband trunk? (Multiple Choice)
About the voice mailbox service, which of the following statements are correct? (Multiple Choice)
Which of the following upgrade methods can be supported by IAD? (Multiple Choice)
Which of the following information is required when you apply for a license for the U1981? (Multiple Choice)
IP phones can adapt to different networking modes, including UC2.X, UC2.0, IMS+UC, and IMS. Therefore, the networking mode needs to be set based on the actual networking. The default networking mode is UC2.X.
In the U1900 connecting to PSTN with the El trunk, the Tx and Rx indicators are off but the call service still fails. To locate the fault, which of the following operations are required? (Multiple Choice)
IP phones can obtain IP addresses through the DHCP server to access the IP network.
TESTED 22 Sep 2025