BAD WIFI SERVICE

WIFI uncapped Installed on 13 December and has not worked since 24 January, we have made hundreds of calls and received numerous ref numbers, but no one every gets back to us. We were told by Shepard in the technical department that they cant send someone out because it is costing them each time!!!???? <br> <br> We have now requested a full credit for Feb2015 and for the unit to be removed and refused to pay cancellation fees. ONCE again we have an automated email response and no contact with anyone!!! <br> <br> How do we get hold of someone who can actually make a decision in this business!!!