> For the complete documentation index, see [llms.txt](https://smsc.revicom.ltd/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://smsc.revicom.ltd/how-to-work-with-smsc/supported-connection-types.md).

# Supported connection types

Below are the supported connection types:

* TRANSCEIVER is a universal connection type used both for sending and receiving packets. **It is recommended for use**;
* TRANSMITTER is a connection type used only for sending packets to the server, but not receiving them.
* RECEIVER is a connection type used to receive packets only, but not to send them.

:warning:**IMPORTANT**:

To receive delivery reports, use the TRANSCEIVER connection.