Phase III, the midway phase of the five-phase audit, reviews all of your telephony services, looking at the integration of fixed lines, mobiles and HQ extensions to see how they could be converged into a single voice network. Additionally, the audit also looks at your incoming telephone numbers with a view to recommending the best solution that your business – for example, 0800 freephone numbers for sales, 03 non-geographic numbers, 0844 local rate numbers for customer care or 0871 national rate numbers for specific callers. Sometimes, standard 01 or 02 geographic numbers with call routing capability for your everyday inbound calls are simply what you need.