paying for no service

We have 2 contacts with cell c we have being staying at the same address for 4 years the last 2 weeks we have signal problems we have to restart our phones to have signal I can't even what's upp with out having to restart the phone. I'm currently 3 days away from my due date how must I phone some one if I go into labour We pay cell c for a service we don't receive? Call centre has bad attitude