Regarding Huawei Videoconferencing VME technology, which of the following descriptions is correct:
() (multiple choice)
Question No 2
Which of the following signaling is included in a SIP call? () (multiple choice)
Question No 3
After the terminal initiates a call and sends an ARQ message to GK, it receives an ARJ message. The
possible reason for the call rejection is () (multiple choice)
Question No 4
When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway,
which statement is correct? () (multiple choice)
Question No 5
In the H.460 public and private network traversing dual SC networking, the communication between
the terminal and Client GK follows the () protocol (Single choice)