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DescriptionTOS (Dec)TOS (Hex)TOS (Bin)TOS Precedence (Bin)TOS Precedence (Dec)TOS Precedence NameTOS Delay flagTOS Throughput flagTOS Reliability flagDSCP (Bin)DSCP (Hex)DSCP (Dec)DSCP/PHB Class
Signaling (SIP)960x60011000000113Flash0000110000x1824cs3
Audio (RTP)1840xB8101110001015Critical1101011100x2E46ef
Video (RTP) *1440x90100100001004FlashOverride1001001000x2436af42


* Cause many devices just can set one RTP value, it is recommended to set "96" for signaling and "184" for Audio & Video RTP transmission. This is also the settings we use on our systems.




Grandstream devices

Layer 3 QoS for SIP24DSCP (Dec)
Layer 3 QoS for RTP46DSCP (Dec)