试题详情
- 多项选择题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
- A,C,D
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