Lync On-Premise Integration and Federation with Exchange Online (Office 365) Unified Messaging via SIP
April 2016 Update Migrate to Skype Cloud PBX for Free . Explore a step-by-step guide for implementing On-Premise Lync with Office 365 Hosted UM. Download the detailed document here for comprehensive instructions. The guide, starting on Page 58, is part of the Microsoft Lync ...