How do I change the number shown when calling out or faxing?

Changing the number you call out as is very easy. 

1) Login to pbx.suretel.co with admin credentials

2) Navigate to Service --> Extension

3) Click Edit on the extension you would like to change 

4) Locate the two outbound Caller ID options External Caller ID Number (Voice Calls) & Fax Caller ID Number (Fax Calls)

5) Click the drop-down and change accordingly 

6) Click Update at the bottom