@parlehaakon #coventry is a modern and lighter weight #sipwitch replacement focused on residential voip gateway uses, whereas #sipcraft is a more enterprise friendly modern and more complete sipwitch replacement with web/database driven dynamic provisioning over mqtt.
One downside of using gnu sipwitch for coventry early last decade was all upstream support had to be carried by and built into #sipwitch itself, including dynamic firewall management, nat support, packet forwarding, domain calling, etc.