Here is config of my IPTV provider for IPTV and ADSL:
Internet - Router mode
Protocol=PPPoE
VPI=0
VCI=33
Encapsulation=LLC
QoS=UBR
Wan IP adress=Obtain an IP adress automatically
T-Com MaxTv – IPTV
PVC1:
VPI - 0
VCI - 40
Virtual Circuit - enabled
WAN Setting - bridge mode...