I am still waiting for a response to my applicatio

I app**** on line for the Smartbroadband uncapped wireless package on 13 February 2016. I received a sms with an order number 455145 and ticket number *** and was told that a technician will contact me but nobody has contacted me yet and I haven't received the service. I have spent hours on the phone trying to query this but it is impossible to get through to the number.