Groups are the base of Geochat, so joining and leaving them are a easy tasks to perform. You ca do this from your mobile phone sending SMS.
To join a group via SMS send “join GROUP_ALIAS” replacing “GROUP_ALIAS” with the alias of the group. Example: “join FOI”.
If the group does not require authorization you will be joined instantly. If the group requires authorization you will need to wait for the administrator of the group to approve your request to join.
You can leave a group via SMS anytime you want.
You can also read the documentation for this command for the three levels of difficulty here:
If you are member of a group and you want to Leave, send “leave GROUP_ALIAS” replacing “GROUP_ALIAS” with the alias of the group you want to leave. Example: “leave FOI”.
You can join again anytime via SMS or at the website
You can also read the documentation for this command for the three levels of difficulty here: