1. Add a new campaign on the campaign page.
2. Go to the connection page.
3. Choose the connection that you want to change.
4. Add the new campaign.

Do you want to have incoming message on the same campaign?
1. Go to the prefix page.
2. Add new prefix.
3. Type in the prefix that you want to create.
4. Choose the right service for your application. Usually SMS server.

Remember to choose this campaignid when you send messages with the client software. You will also receive this campaignid on incoming messages.