You can add mobile numbers for Trade staff to the database so that the system recognises the number calling.
Queueing → Query Database
Select Global
For New:
Choose Add
Follow the below instructions and Click OK
Customer Name = Trade Person
Query Data = Leave Blank
Member Query Group = <Global>
External Number (Ringing from outside)
Country = UK
Area = Always drop the Zero from mobile. For example 07528965144 =
Area 7
Phone Number 528965144
Priority Always Zero
New Queue = North or South