QoS
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QoS
QoS
12-09-2015 12:32 PM
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- Is it correct that a router supporting QoS might help with VOIP quality?
- Should I have received a router upgrade at some point, or does it not work that way?
Re: QoS
Re: QoS
12-09-2015 6:04 PM
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Posting the ADSL stats from your router should help determining if your broadband is working optimally, see the speed issues thread for details.
I assume the call is made from a smartphone using a wireless connection to your router? Then you'll also need a decent quality wireless signal. You could experiment with changing the wireless channel (generally keep to 1, 6 or 11), or perhaps get a WiFi analyzer app to check your signal strength and neighbouring wireless networks.
What router do you currently have? Plusnet don't automatically offer new routers, if you request one, they'll probably want you to start a new 12-month contract. Also, the current model, the Hub Zero a.k.a. the Sagemcom 2704N, has had various problems so many people probably wouldn't recommend it. It doesn't have any QoS features you could configure.
Re: QoS
Re: QoS
12-09-2015 6:46 PM
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The VOIP is indeed from a smartphone via WiFi. The signal strength should have been good when I tried it because I was close to the router and neighbouring networks aren't a problem in this sparsely-populated rural area. I do have a second WiFi access point in the house at the moment, which will be on a different frequency of course, but I'm not sure offhand which ones. I'll load up an analyser app as you suggested and take a look.
My current router is a Belkin F5D8633 802.11n, and on checking I see that it isn't the one supplied to me by PlusNet. That was a D-Link DSL 320B from about 2008 that died and I think I must have bought its replacement myself. I have just signed up for a new 12-month contract (started less than a week ago). I don't know whether that means PlusNet would be willing to supply a new router but if the current model is not recommended then it might not be worth trying anyway. Are there any recommendations for more suitable ones?
Re: QoS
Re: QoS
12-09-2015 8:31 PM
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If you're on an exchange with ADSL2+ "up to 17Mb" speeds available, it might be as simple as needing your upstream speed uncapped, to give you more upload speed, which Plusnet can easily do, for free. Unfortunately that's not available for free on exchanges that only have ADSL1 available.
Re: QoS
Re: QoS
12-09-2015 9:02 PM
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Quote see if I can dig out some ADSL stats to post.
Here we go:
ADSL | ||
Type | Interleave Path | |
Status | SHOWTIME | |
Downstream | Upstream | |
Data rate(Kbps) | 3584Kb | 448Kb |
Noise Margin | 7 | 19 |
Output power(dBm) | 124 | 187 |
Attenuation(dB) | 59 | 31 |
Quote If you're on an exchange with ADSL2+ "up to 17Mb" speeds available
Apparently we're getting "ADSL Max". I don't know whether that's ADSL 1, 2 or something different to both. According to Wikipedia ADSL Max was formally retired in June last year and replaced by Wholesale Broadband Connect (WBC) but my exchange still reports Max and not yet WBC, so I don't know where that leaves me.
Re: QoS
Re: QoS
12-09-2015 9:06 PM
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You are on a 20CN circuit or ADSL Max and ADSL2 is on 21CN
If you check on SamKnows that will show
Mine shows
BT Wholesale information
ADSL status: Enabled as of 30/09/2000
ADSL Max status: Enabled as of 31/03/2006
SDSL status: Enabled as of 24/07/2005
21CN WBC status: Enabled
FTTC status:
Available in some areas
FTTP status:
Available in some areas
Re: QoS
Re: QoS
12-09-2015 9:17 PM
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I wouldn't have thought voice data even uses that much bandwidth, I'm guessing it would be similar to MP3 bitrate, mono, so it might only be 96kbps, but it would be uploading and downloading simultaneously. It would depend on the quality of the audio and how it is encoded. The downstream speed seems reasonably good for the line attenuation, so no obvious issue there.
Re: QoS
Re: QoS
12-09-2015 9:58 PM
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Quote on ADSL2 but your upstream would probably increase by 50%
That sounds like it should be a useful improvement if upstream is likely to be the limiting factor for VOIP.
From a bit more googling I see that my exchange is one of only three in the county that haven't yet been upgraded to FTTC. Apparently "work on roll-out" of fibre is due to start by the end of this year but IIUC that won't help me since there aren't any cabinets here, we're all connected directly to the exchange.Is it likely that the exchange will be upgraded to ADSL2+ at the same time as FTTC work, do you think?
Re: QoS
Re: QoS
12-09-2015 10:39 PM
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