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One codec rate is 64kbps, and the packaging time is 20ms. What is the IP band occupied by the codec? The width is () kbps (Note: IP/UDP/RTP header is 40 Bytes, here 1kbps=1000bps)
Huawei TE series terminals make point-to-point calls, and the video-related settings are all "automatic", the following statement. The correct one () (multiple choice)
If AAC_LD uses an encoding rate of 48kbps and a packaging time of 20ms, what is the IP bandwidth occupied by the encoding () kbps
The interconnection between two U1900 series unified gateways can only be achieved through SIP trunking. ()
The U1900 system is connected to the PSTN through a digital trunk. In U1900, phone A cannot call user B's On mobile phone, user B can call back phone A normally. Which of the following reasons may cause this failure? () (single choice)