poor coverage

Date and time of occurrence: 1000 Feb 4 2014
Exact location of problem (Street name, block no., unit no.): Sixth Avenue
Phone model: iphone 5
Details of problem:
for the whole morning there was not service of M1 coverage in the area. I had tried calling 1627 and the number is perpetually unable to get through. I am an individual working from home and my phone is my only way to connect with my customers, boss and colleagues.
I am totally disappointed with M1 type of services.
I need an explanation.

Raymond