In the event of your line having a dial tone, but you are unable to make calls please follow these steps:
Standard Test Procedure
There are three phone calls which need to be made. Please dial these numbers and make a note of the outcome including any codes read back, or if the number is simply unattainable.
1) 0161 241 7082
2) 1656 0161 241 7082
3) 1280 0161 241 7082