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- CXD connection - when the 3CX is self-managed i.e. Hosted in your Private Cloud: Amazon, Google, Azure, private cloud or on your internal network.
- Active connection - when the 3CX is self-managed i.e. Hosted in your Private Cloudprivate cloud: Amazon, Google, Azure, or on your internal network.
- Listening connection - for 3CX Hosted cloud systems.
Configuration details for both all methods are shown below: