Terraform, Ansible, Jenkins, Git, Azure DevOps, Ribbon RAMP analytics provisioning monitoring, VoIP protocols SIP RTP SRTP TLS, Ribbon PSX routing policy design, call routing policies, Routing switching QoS firewalls NAT traversal, CUCM CUC CER Expressway, REST API integrations with Ribbon and Cisco platforms, SIP signaling header manipulation, CI CD pipelines, Python scripting for network voice automation