Which of the following statements are CORRECT about the functions of IP phones? (Multiple Choice)
Senior professionals in each region need to join a conference at a specified time point every Friday. The conference type is ().
Compared with analog phones, digital phones feature diverse functions and quick connection However, digital phones are expansive and cannot be widely used.
When a user dials the VMS unified access prefix to retrieve messages, the user needs to enter authentication information, for example, the password.
CDRs can be obtained from the U1900 series unified gateway only after the IP address, user name, and password of the unified gateway are configured on the CDRServer.
For the long number and short number service and number mapping for U1900, which of the following statements is CORRECT?