If your setup utilizes an external database, you may need to adjust the default configuration for Redis used by Element Call. Modify the defaults in group_vars/matrix_servers.yml or host_vars to suit your setup:
```yaml
matrix_element_call_redis_hostname: 'localhost'
matrix_element_call_redis_port: 6379
matrix_element_call_redis_password: ''
```
## Installing
After potentially adjusting DNS records and configuring the playbook, run the installation command again: