ADSL Checker Information Changed?

Question

Hi
Last week when I entered my phone number into the ADSL Checker it stated:
Your exchange is ADSL enabled, and our initial test on your line indicates that it is VERY UNLIKELY you will be able to receive fixed 512Kbps broadband service due to the very long length of your telephone line. However, your order will be accepted if you still wish to order.   Our test also indicates that your line currently supports an estimated ADSL Max broadband line speed of 1Mbps; typically the line speed would
But when I have checked again today it now says:
Your exchange is ADSL enabled, and our initial test on your line indicates that your line should be able to have an ADSL broadband service that provides a fixed line speed up to 512Kbps. However, due to the length of your line, an engineer visit may be required, who will, where possible, supply the broadband service.
Our test also indicates that your line currently supports an estimated ADSL Max broadband line speed of 750Kbps; typically the line speed would range between 750Kbps and 2.5Mbps.
Our test also indicates that your line should be able to have an ADSL2+ broadband service that provides a fixed line speed up to 512Kbps. However, due to the length of your line, an engineer visit may be required, who will, where possible, supply the broadband service.
Our test also indicates that your line currently supports an estimated ADSL2+ broadband line speed of 1Mbps; typically the line speed would range between 1Mbps and 3Mbps.
The only thing that has changed in the meantime is that I have had my BT Total Broadband connection connected. Could the ADSL Checker data have been updated off the back of that?
I'm convinced BT have the wrong information on file regarding my line's broadband/infinity potential and this latest change of information on their website seems a potential further pointer to this perhaps being the case?
In addition, average speed from Speedtest.net shows 0.3mps so far...albeit I'm within the initial 10 day period but nevertheless will it really jump to 1-3mb average by the end of the test period?

Answer 1

OK thanks John, here's the information as requested:
- ADSL Stats
ADSL Line Status
Connection information
Line state:
Connected
Connection time:
0 day, 09:56:03
Downstream:
416 Kbps
Upstream:
448 Kbps
ADSL settings
VPI/VCI:
0/38
Type:
PPPoA
Modulation:
G.992.1 Annex A
Latency type:
Interleaved
Noise margin (Down/Up):
7.2 dB / 8.0 dB
Line attenuation (Down/Up):
63.5 dB / 31.5 dB
Output power (Down/Up):
15.3 dBm / 12.5 dBm
FEC Events (Down/Up):
37415 / 18
CRC Events (Down/Up):
407 / 15
Loss of Framing (Local/Remote):
0 / 0
Loss of Signal (Local/Remote):
0 / 0
Loss of Power (Local/Remote):
0 / 0
Loss of Link (Remote):
0
HEC Errors (Down/Up):
530 / 21
Error Seconds (Local/Remote):
0 / 0
More Details
- BT Speedtest Result
Download speedachieved during the test was - 0.14
Mbps
For your connection, the acceptable range of speeds is 0.1 Mbps-0.5 Mbps.
IP Profile for your line
is - 0.37 Mbps
Upload speed achieved during
the test was - 0.31Mbps
Additional Information:
Upstream
Rate IP profile on your line is - 0.45 Mbps
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