Replaced Cisco Voice Gateways with centralized Oracle SBCs, connecting users and the Contact Center to the PSTN through three different providers.
Integrated different IVRs and external voice services in America and connected services to Microsoft Teams through Direct Routing and to other external providers.
Worked on the migration of users from Cisco Unified Communications Manager directly to Webex across 12 countries.
Integrated three different on-premises CUCM clusters serving 5 sites with Webex, allowing users to call each other independently of where they were registered.
Supported the migration of the Contact Center from on-premises infrastructure to Genesys Cloud.