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Thread: VoIP QoS

Started 2 months, 2 weeks ago by PiKe
I have a draytek which can do QoS, it can do outbound fine but struggles with incoming data understandably, a http download can cause breakup in voice on the VoIP phones, is there any way around this other than going with an ISP that offers QoS their end?
Site: Overclockers UK Forums  Overclockers UK Forums - site profile
Forum: Networks & Internet Connectivity  Networks & Internet Connectivity - forum profile
Total authors: 4 authors
Total thread posts: 16 posts
Thread activity: no new posts during last week
Domain info for: overclockers.co.uk

Other posts in this thread:

Azuse05 replied 2 months, 2 weeks ago
It probably won't work on a draytek but a firmware with inbound qos (tomato) can do it, although since it's not "true" qos you need to set the inbound lower than you would with a qos system. In my case its 600k to prevent games/voip (~120k) breaking up, but it sill adds 4-5ms which is a fair trade imo. A qos isp would be preferable, if you find any of those though...

PiKe replied 1 month, 3 weeks ago
Quote: Originally Posted by Azuse05 It probably won't work on a draytek but a firmware with inbound qos (tomato) can do it, although since it's not "true" qos you need to set the inbound lower than you would with a qos system. In my case its 600k to prevent games/voip (~120k) breaking up, but it sill adds 4-5ms which is a fair trade ...

PiKe replied 1 month, 3 weeks ago
Quote: Originally Posted by Azuse05 It probably won't work on a draytek but a firmware with inbound qos (tomato) can do it, although since it's not "true" qos you need to set the inbound lower than you would with a qos system. In my case its 600k to prevent games/voip (~120k) breaking up, but it sill adds 4-5ms which is a ...

Voodle replied 1 month, 3 weeks ago
What sort of bandwidth reservation do you have set for the VoIP QoS class? You might need to set that a bit higher for it to stop HTTP breaking it up, also if it's something like a 2820 router, it's worth checking the QoS statistics while using the connection to check whether or not the traffic is being detected as part of the class or not.

Azuse05 replied 1 month, 2 weeks ago
Strictly speaking outbound qos is all you need, the problem is you almost always have more upload than you need to download so it's not very useful. Personally I'd call draytek before getting a replacement, they're support is switched on in a way that most aren't i.e. it's actually worth talking to them. As for tomato, well there's talk of a new kernel but currently there's no n or gigabit ...

PiKe replied 1 month, 2 weeks ago
I've gone down the tomato route and it works well

bigredshark replied 1 month, 2 weeks ago
To add, you likely won't find an ISP offering QOS in the UK. BT's xDSL platform doesn't support DSCP or COS so basically that's out. Virgin media don't offer a product I know of, so you're left with whether any of the LLU providers offer a QOS enabled service - as they don't really serve the business market I find it unlikely...

PiKe replied 1 month, 2 weeks ago
Quote: Originally Posted by bigredshark To add, you likely won't find an ISP offering QOS in the UK. BT's xDSL platform doesn't support DSCP or COS so basically that's out. Virgin media don't offer a product I know of, so you're left with whether any of the LLU providers offer a QOS enabled service - as they don't really serve the ...

PiKe replied 1 month, 2 weeks ago
Quote: Originally Posted by bigredshark To add, you likely won't find an ISP offering QOS in the UK. BT's xDSL platform doesn't support DSCP or COS so basically that's out. Virgin media don't offer a product I know of, so you're left with whether any of the LLU providers offer a QOS enabled service - as they don't really ...

bigredshark replied 1 month, 2 weeks ago
Quote: Originally Posted by PiKe And we don't have LLU... On the plus side 21CN has limited support for QOS, though it's attached to a fairly baffling pricing policy as I remember (from BT wholesale to your ISP) and falls short of the QOS featureset which has been available on 'proper' circuits for years. Oh well, ...

 

Top contributing authors

Name
Posts
PiKe
8
user's latest post:
VoIP QoS
Published (2009-11-09 15:16:00)
Quote: Originally Posted by bigredshark On the plus side 21CN has limited support for QOS, though it's attached to a fairly baffling pricing policy as I remember (from BT wholesale to your ISP) and falls short of the QOS featureset which has been available on 'proper' circuits for years. Oh well, it's a start at least...and it should allow your ISP to provide you VOIP reliably at least (why you'd want it is open to...
bigredshark
5
user's latest post:
VoIP QoS
Published (2009-11-09 15:26:00)
Quote: Originally Posted by PiKe Because you can have multiple lines without multiple line rentals. Yeah, if you have some specialist requirement I guess...I was speaking more generally...
Azuse05
2
user's latest post:
VoIP QoS
Published (2009-11-09 14:54:00)
Strictly speaking outbound qos is all you need, the problem is you almost always have more upload than you need to download so it's not very useful. Personally I'd call draytek before getting a replacement, they're support is switched on in a way that most aren't i.e. it's actually worth talking to them. As for tomato, well there's talk of a new kernel but currently there's no n or gigabit support soy uor...
Voodle
1
user's latest post:
VoIP QoS
Published (2009-11-08 19:00:00)
What sort of bandwidth reservation do you have set for the VoIP QoS class? You might need to set that a bit higher for it to stop HTTP breaking it up, also if it's something like a 2820 router, it's worth checking the QoS statistics while using the connection to check whether or not the traffic is being detected as part of the class or not.

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