单选题Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）ACisco Proprietary payload compressionBPredictor payload compressionCRTP header compressionDTCP header compression
单选题
Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）
A
Cisco Proprietary payload compression
B
Predictor payload compression
C
RTP header compression
D
TCP header compression
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解析：
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