Icom VE-PG4 Operating Manual page 252

9
ExPERT SETTINGS
Connection Port Extension screen
Expert Settings > Connection Port Extension
■ VoIP Settings
TOS Type: Not Used
TOS Type: TOS
TOS Type: Diffserv
L The screens above show when the Buffering Type (1) is set to "Static."
TOS Type ��������
3
1
2
3
1
2
3
4
1
2
3
4
Set TOS Type.
• Not Used: Does not use the TOS function.
• TOS: O utputs the VoIP packet to the TOS field (8 bit) in the IP header, in
the TOS (Type Of Service) format.
L TOS format applies RFC1349.
• The first 3 bits: S hows the priority.
• The next 4 bits: Shows the service type.
• The last 1 bits: Reserved and fixed to "0."
• DiffServ: O utputs the VoIP packet to the TOS field (8 bit) in the IP header, in
the Diffserv (Differentiated Service) format.
L The Diffserv format details:
• The former 6 bits: Shows the DSCP.
• The next 2 bits:
9-10
5
5 6
5 6
Set into "Media (RTP) Priority Level" (4) with a decimal
number.
Set into "Media (RTP) Service Type" (4) with a decimal
number.
The larger number, the higher priority.
Set "Media (RTP) DSCP" (4) with a decimal number.
The larger number, the higher priority.
Reserved and fixed to "0."
6
(Default: Not Used)