Scope:This checklist is to assist in the Transfer and Migration of a PBX. Such as Migrating Elastix PBX to Hosted PBX , Hosted PBX to On Prem Elastix PBX or Elastix to Elastix.Requirements:Access to old and new PBXChecklist shown belowPerform backup of old PBX and save to database before starting the checklist belowThings to Remember:Everything on new PBX must match old PBX to prevent any further changes after new PBX is live to accomplish this ensure that Client is fine how there old PBX is setup.Client will have down time when swapping between PBX's Make no changes to old PBX as that PBX may be in use by the clientPBX Transfer ChecklistExtensions ListLocate all the Extensions within old PBX and create them within new PBX . Match settings like ( Voicemail to Email , Ext Password , Outbound Caller ID)E911 Locations (Not Applicable in every Platform)Locate all E911 Locations and create them in new PBX Phone Numbers ( Not Applicable in every Platform)Locate the Phone Numbers within old PBX and create the Phone Numbers within new PBXRing GroupsLocate all Ring Groups within old PBX and Create the Ring Group within new PBX System RecordingsDownload all System Recordings (IVR, Voicemail Greeting, MOH, etc) and upload them to new PBXHold MusicReplace Default Music On Hold with recording uploaded on step above. Call Queue & ParkingCheck for Call Queue & Parking Configurations on old PBX and Transfer to New PBXTime FrameObtain all Time Frames (Time Groups) form old PBX and Implement them in New PBX Auto Attendant (IVR)Obtain IVR Configuration from Old PBX and create IVR within New PBX, with recording attached to the corresponding IVRCall RoutingLook at how each number is routed (Inbound Routes) on old PBX and implement into New PBXTrunksCopy Trunk Configuration from Old PBX to New PBXOutbound RulesCopy Outbound Rules from Old PBX to New PBXEndpoints (not applicable in every Platforms)Obtain all the MAC Address , Phone Model and Extension, create the config files within Provisioning Server or Copy Config files from Old PBX to New PBXNetwork Configuration (not applicable in every Platform)Ensure that Network Settings such as IP address and default gateway match Old PBXUser Account LoginsObtain User Account List from Old PBX and Create them in New PBXFirewall Rules (not applicable in every Platform)Ensure that Firewall Rule in Old PBX match the same rules in New PBXFree PBX (Only applicable in Elastix)Ensure that settings within FreePBX > SIP Settings are the same in Old and New PBXPerform Backup (not applicable in every Platform)Create a backup of New PBX when everything is working fine