Aastra Telecom 480I CT manual Dscp Priority

Configuration Parameters

Operational, Basic, and Advanced Parameters

Parameter –	IP phone UI	Options->Network->VLAN->Phone->
tos priority map		Priority->SIP
		Options->Network->VLAN->Phone->
SIP Priority		Priority->RTP
RTP Priority		Options->Network->VLAN->Phone->
RTCP Priority
		Priority->RTCP
(for Port 0 in
Web UI)	Aastra Web UI	Advanced Settings->Network->VLAN->Port 0
	Configuration Files	aastra.cfg, <mac>.cfg
Description	This parameter is based on the Type of Service (ToS), Differentiated
	Services Code Point (DSCP) setting for SIP (tos sip parameter), RTP (tos
	rtp parameter) and RTCP (tos rtcp parameter). It is the mapping between
	the DSCP value and the VLAN priority value for SIP, RTP, and RTCP
	packets.
	You enter the tos priority map value as follows:
	(DSCP_1,Priority_1)(DSCP_2,Priority_2).....(DSCP_64,Priority_64)
	where the DSCP value range is 0-63 and the priority range is 0-7.
	Mappings not enclosed in parentheses and separated with a comma, or
	with values outside the ranges, are ignored.
Format	Integer
Default Value	3 (based on the default ToS DSCP SIP setting of 24)
	4 (based on the default ToS DSCP RTP setting of 32)
	4 (based on the default ToS DSCP RTCP setting of 32)
Range	0 to 63 (for DSCP)
	0 to 7 (for SIP, RTP, and RTCP priorities)
Example	tos priority map: (24,7)

The following table identifies the default DSCP-to-priority mapping structure.

DSCP	DSCP Priority
Range
0-7	0
8-15	1
16-23	2
24-31	3
32-39	4
40-47	5
48-55	6
56-63	7

Appendix A

41-001129-00 Rev 09, Release 1.4.1 A-19