Your Down Sync is very good for your attn. Orange, i.e. BTw, default to a Target NM of 3 dB.
Your Up Sync is very low. How long have you been with them? I found my Up Sync was low, 444 kbps, to start with and took over a month to move up to 888 kbps and eventually 1.2 Meg.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 17 Meg Untweaked 19 Meg Tweaked WBC