Thanks very much. This really helps me, as the modem for NBN has to be re-located from upstairs due to where the wall socket are.
This will have the impact on the coverage and the security alarm, which both must be ensured.
As the summy
TPG supplied modem will be working as per normal (for both VoIP and Internet)
DLink 2888A will be working as the access point for extended coverage
Please correct me if I'm wrong.