You can either use the session-wide link, persistent links, or single-use links.

Session-wide link

If it's not practical for you to use a Room, you can distribute the following link to participants.

https://spiee.duckdns.org/join/kopojohe

Persistent links

For a real session, you should use a room.

Single-use links

Below are single-use links.

P1	https://spiee.duckdns.org/InitializeParticipant/fu9pshuc
P2	https://spiee.duckdns.org/InitializeParticipant/71rsqbbx
P3	https://spiee.duckdns.org/InitializeParticipant/un1vd5d3
P4	https://spiee.duckdns.org/InitializeParticipant/teb1md9y
P5	https://spiee.duckdns.org/InitializeParticipant/vsboyj08
P6	https://spiee.duckdns.org/InitializeParticipant/iki8ojlz