Service turn-up from Mitel typically requires 45 to 90 days. Add-ons to existing customers typically require two to eight weeks, depending on the number of users to switch over. Full campus migrations may be spread out over a 12-month period. If you choose Centurylink for trunk services, Centurylink generally recommends six to eight weeks once a plan has been devised. If you choose both services, Mitel and Centurylink will work with your organization to devise a comprehensive migration strategy.