503 Service Unavailable Exchange Unified Messaging MWI-Cisco Unified Call Manager

Integrating Exchange Unified Messaging (UM) with a Cisco Call Manager (CUCM) we setup and configured the Exchange and CUCM integration as per my previous post here. This deployment is a multi (3) CUCM Deployment and multi (6) Exchange UM Deployment. We then were testing the integration where we placed a call between Cisco Phone 1 and […]