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/lisoreno

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/r554lwr4
P2	https://spiee.duckdns.org/InitializeParticipant/obwsvez1
P3	https://spiee.duckdns.org/InitializeParticipant/0yq2cxsw
P4	https://spiee.duckdns.org/InitializeParticipant/kcitk5s5
P5	https://spiee.duckdns.org/InitializeParticipant/626tk1sk
P6	https://spiee.duckdns.org/InitializeParticipant/bzixcxpe