Compressed voice at 5.3 kbps for IP or 8 kbps for Frame Relay
 | Then assume 100% overhead for Frame Relay and 200% for IP
| Result is 16 kbps per call; 4:1 statistical advantage
| |
| Compressed voice at 5.3 kbps for IP or 8 kbps for Frame Relay
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| Voice Activity Detection (VAD)
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| Result is 8:1 statistical advantage |
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