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Table 3 The real-time VoIP traffic model parameters

From: Energy-saving centric uplink scheduling scheme for broadband wireless access networks

Service

Voice over IP (VoIP)

Voice CODEC

AMR (12.2 kbps)

Frame length

5 ms

Talk spurt length

Exponential, mean = 1,026 ms

Silence length

Exponential, mean = 1,171 ms

Silence suppression

Yes

Protocols

RTP/UDP/IP

Header compression

RTP/UDP/IP header compression

Speech activity

47.17%