You realise that Orange have recently moved you from LLU to BT's 21CN WBC? Hence, probably, your lower sync and discons. I am plagued with them
However, your ISP has no control nor involvement in your LAN or WLAN connections; only you do.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU BB => 2010: Orange 19 Meg Tweaked / 16 Meg Untweaked LLU BB