[asterisk-users] RE: Setting QOS settings in asterisk and/or CentOS?

Greg Kennedy
Thu, 21 Sep 2006 10:37:00 -0000

I use the following in rc.local for setting tos bits using iptables:iptables -A
POSTROUTING -t mangle -p udp -m udp --sport 10000:20000 -j DSCP --set-dscp
0x2eWorks like a champ!>    1. RE: Setting QOS settings in asterisk and/or
CentOS?>       (Redouane Doumer)> De : BerkHolz, Steven
[mailto:StevenBerkHolz@TESCOGroup.com] > Envoy? : jeudi 21 septembre 2006
15:33> ? : asterisk-users@lists.digium.com> Objet : [asterisk-users]
Setting QOS settings in asterisk and/or CentOS?> > > How would I go
about setting the TOS bit to "RTP IP TOS Byte:  18 (hex)" for SIP and
IAX traffic at the asterisk server?>  > Also, > Do you have a quick
reference on how to configure a Cisco switch to prioritize SIP traffic?> I
check in various Cisco docs, and there are so many references, and none of them
seem to relate directly to using the TOS bit for QOS.>  > I am looking
into using the TOS bit because that is the only method that my SIP devices use.
(Citel Handset Gateway)>  > ref:> QOS settings from Citel Handset
Gateway:> Handset Gateway - QoS Configuration> > IP Type of Service
> RTP IP TOS Byte:  18 (hex) > > Silence Suppression > Mute Mode:
On, UDP keep-alive every 10 seconds> G.711 Voice Activity Detection: Off>
> Codec Preferences > G.711u: 1 (Highest priority) > G.711a: 2>
>  > > Thank You,> > Steven BerkHolz> - MCSA - MCSE ->
Manager of Information Systems> TESCO Group Companies> Fax.
248-836-5101> www.TESCOGroup.com
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