1. Document network configuration on existing phone if needed.
2. Backup contacts on old phone if needed.
3. Unpack and setup new phone. Install any included accessories (headsets, sidecars, etc.)
4. Ensure network connection is configured and functional.
5. Configure new phone on VOIP server or Cloud portal.
6. Ensure proper extension is negotiated on phone.
7. Connect and configure voicemail.
8. Pack up and prepare old phone for disposal/transfer.