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Guru
Aarong
Posts: 2,319
Registered: ‎18-09-2011
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Can't get ADSL 2+ Annex-M Broadband

I'm currently on the Annex-A broadband which caps upload speeds to 448k, however, my line supports Annex-M Broadband which allows me to have uploads of around 1mb. Although, ringing up customer services to change this over, no one could understand what Annex-M broadband is.

 

Is there anyone who could help me change this over, or how i would going about upgrading to Annex-M broadband?

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Keith_Beddoe
Posts: 23,119
Registered: ‎27-01-2010
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Re: Can't get ADSL 2+ Annex-M Broadband

[ Edited ]

I think you will find that its only available to business customers who need an faster upload speed, also Annex M is only suitable for ADSL2+ lines with attenuation of less than 45db, and are connected to the new 21cn network.

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Guru
Aarong
Posts: 2,319
Registered: ‎18-09-2011
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Re: Can't get ADSL 2+ Annex-M Broadband

That's weird, on the line checker it says that my line currently supports using a telephone number, also with my previous provider, my upload speeds were double what i'm getting now, is there anyway to manually increase this?
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Keith_Beddoe
Posts: 23,119
Registered: ‎27-01-2010
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Re: Can't get ADSL 2+ Annex-M Broadband

Guru
Aarong
Posts: 2,319
Registered: ‎18-09-2011
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Re: Can't get ADSL 2+ Annex-M Broadband

So what does this mean, rather misleading Our test also indicates that your line currently supports an estimated ADSL2+ broadband line speed of 4.5Mbps; typically the line speed would range between 3.5Mbps and 5.5Mbps. Our test also indicates that your line could support an estimated ADSL 2+ Annex-M broadband upstream line speed of 1Mbps and downstream line speed of 4.5Mbps; typically the downstream speed would range between 3.5Mbps and 5.5Mbps.
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Keith_Beddoe
Posts: 23,119
Registered: ‎27-01-2010
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Re: Can't get ADSL 2+ Annex-M Broadband

It means you have to be a business customer to get the enhanced service.
There are some useful help pages here, for BT Broadband customers only, on my personal website.

BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

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imjolly
Posts: 37,836
Registered: ‎27-01-2010
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Re: Can't get ADSL 2+ Annex-M Broadband

has your exchange been upgraded to 21CN - check here http://www.samknows.com/broadband/exchange_search

if so then you could try for adsl2 which brings with it a faster upload

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Aarong
Posts: 2,319
Registered: ‎18-09-2011
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Re: Can't get ADSL 2+ Annex-M Broadband

I am aware of this, obviously if i was using it for a Home business then yes, however, still kind of misleading and i have had higher upload speeds than i have now. I thought this was on the principal that i was on previously Annex M broaband which allowed me to have higher upload speeds.

 

Thanks for your help Keith

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Aarong
Posts: 2,319
Registered: ‎18-09-2011
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Re: Can't get ADSL 2+ Annex-M Broadband

[ Edited ]

imjolly wrote:

has your exchange been upgraded to 21CN - check here http://www.samknows.com/broadband/exchange_search

if so then you could try for adsl2 which brings with it a faster upload



Yes my exchanges is Cricklewood and 21Cn is available at my exchange, is there something i could do here then which could give me faster uploads? B.T sales couldn't really understand why i was asking for

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Keith_Beddoe
Posts: 23,119
Registered: ‎27-01-2010
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Re: Can't get ADSL 2+ Annex-M Broadband

Annex-M requires a change in the upload/download frequency split, which cannot be done from the router end. So there is nothing you can change.

 

There are some useful help pages here, for BT Broadband customers only, on my personal website.

BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.