# Workflow Integration & External System Connectivity

- [CDN Cache Control](/guide/features/workflow-integration-and-external-system-connectivity/cdn-cache-control.md)
- [Proxy Protocol](/guide/features/workflow-integration-and-external-system-connectivity/proxy-protocol.md): Starting with OvenMediaEngine Enterprise version 0.16.6.2-1, support for The PROXY protocol version 1 of HAProxy is available.
- [SEI Insertion](/guide/features/workflow-integration-and-external-system-connectivity/sei-insertion.md): OvenMediaEngine Enterprise supports the SEI insertion feature starting with version 0.18.0.0-1.
- [AMF0 Message Insertion](/guide/features/workflow-integration-and-external-system-connectivity/amf0-message-insertion.md): OvenMediaEngine Enterprise supports the AMF0 messgaes insertion feature starting with version 0.17.3.0-1.
- [Ad Markers](/guide/features/workflow-integration-and-external-system-connectivity/ad-markers.md): OvenMediaEngine Enterprise supports the Ad Markers insertion feature starting with version 0.18.1.0-1.
- [onCuePoint Message Insertion](/guide/features/workflow-integration-and-external-system-connectivity/oncuepoint-message-insertion.md): OvenMediaEngine Enterprise supports the onCuePoint messages insertion feature starting with version 0.17.3.0-1.
- [Delay Buffer](/guide/features/workflow-integration-and-external-system-connectivity/delay-buffer.md)
- [Query String Handling](/guide/features/workflow-integration-and-external-system-connectivity/query-string-handling.md)
- [Default Playlist Creation](/guide/features/workflow-integration-and-external-system-connectivity/default-playlist-creation.md)
- [iOS Audio PTS](/guide/features/workflow-integration-and-external-system-connectivity/ios-audio-pts.md): OvenMediaEngine Enterprise supports the Audio PTS generation feature starting with version 0.17.2.3-1.
- [Session Management (WebRTC Only)](/guide/features/workflow-integration-and-external-system-connectivity/session-management-webrtc-only.md): Starting from version 0.20.0.0-1, OvenMediaEngine Enterprise supports Session Management.
- [Upload Recordings to Bunny Stream](/guide/features/workflow-integration-and-external-system-connectivity/upload-recordings-to-bunny-stream.md): OvenMediaEngine Enterprise supports the Upload Recordings to Bunny Stream feature starting with version 0.20.5.0-1.
- [Event Forwarding Exclusions](/guide/features/workflow-integration-and-external-system-connectivity/event-forwarding-exclusions.md): OvenMediaEngine Enterprise supports the Event Forwarding and Event Forwarding Exclusions feature starting with version 0.20.2.0-1
- [P2P Delivery (Experiment)](/guide/features/workflow-integration-and-external-system-connectivity/p2p-delivery-experiment.md)