Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC enables signaling routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Which of the following descriptions of the above call process is wrong?
Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC enables signaling routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Which of the following descriptions of the above call process is wrong?A . After T1 receives the...
A certain two-channel audio file uses PCK encoding, and its sampling frequency is 8 KHz. Each quantized sample value corresponds to an 8-bit binary code. So what is the encoding rate of the audio file in kbps?
A certain two-channel audio file uses PCK encoding, and its sampling frequency is 8 KHz. Each quantized sample value corresponds to an 8-bit binary code. So what is the encoding rate of the audio file in kbps?A . 64B . 128C . 256D . 196View AnswerAnswer: B
As shown in the figure is the status of a TE30 terminal device. Which of the following operations can be performed on the terminal without single selection?
As shown in the figure is the status of a TE30 terminal device. Which of the following operations can be performed on the terminal without single selection?A . Call another TE30 terminal on the same networkB . Share data into meetings via wireless networkC . Calling call setD . Send...
Huawei Cloud Link Edge 1000 does not include which of the following network elements?
Huawei Cloud Link Edge 1000 does not include which of the following network elements?A . Cloud MCUB . SMCC . Cloud RSED . SCView AnswerAnswer: C
What is the reason for the call failure?
What is the reason for the call failure?A . The called person is offlineB . Capability negotiation failedC . Insufficient call bandwidthD . Being called busyView AnswerAnswer: A
Which of the following does the role of the RTCP protocol include?
Which of the following does the role of the RTCP protocol include?A . Call signalingB . Transmission ControlC . Capability setD . Stream transmissionView AnswerAnswer: B
If a certain channel of voice uses G.728 encoding (the total length of the Ethernet/IP/UDP/RTP header is 60bytes, the encoding rate is 64kbps), and the packaging time is 20ms, then the IP bandwidth required to transmit this channel of voice is approximately which of the following options?
If a certain channel of voice uses G.728 encoding (the total length of the Ethernet/IP/UDP/RTP header is 60bytes, the encoding rate is 64kbps), and the packaging time is 20ms, then the IP bandwidth required to transmit this channel of voice is approximately which of the following options?A . 96kbpsB ....
Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC does not enable signaling routing but enables media routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Which of the following descriptions of signaling and media during the above call process is wrong?
Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC does not enable signaling routing but enables media routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Which of the following descriptions of signaling and media during the...
T1 and T2 are two terminals in the same SC node area (authentication policy enabled) and both have successfully registered using the SIP protocol. When T1 calls T2's number through the SIP protocol, the SC replies to T1 ""100 trying"" message, which of the following response codes will SC reply to T1 immediately afterwards?
T1 and T2 are two terminals in the same SC node area (authentication policy enabled) and both have successfully registered using the SIP protocol. When T1 calls T2's number through the SIP protocol, the SC replies to T1 ""100 trying"" message, which of the following response codes will SC reply...
Which of the following descriptions of the above call process is correct?
Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC does not enable media routing). After T1 calls T2's number through the SIP protocol, T1 and T2 communicate. Which of the following descriptions of the above call process is correct?A . The call...