What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
- A、 codec
- B、 link speed
- C、 Layer 2 encapsulation
- D、 packet overhead （IP/UDP/RTP）
- E、 link delay
- F、 total number of simultaneous calls that are allowed
正确答案:A,C,D
答案解析:有
微信扫一扫手机做题