I also have forgotten to make this public, but from some days ago the Signalwire Client C RPM for CentOS 7 and 8 is available. Signalwire Client C is the library that allows communication with Signalwire services. It is needed if you want to enable signalwire module.
I want to thanks the FusionPBX community for their sponsor. Without the given support this new capability wouldn't be possible. Today I have published into the FusionPBX some pull requests (for FusionPBX 4.4 and 4.5). This new capability gives your PBX the parent-child domain. This means an admin user will be able to manage more than one domain without being super-admins. The best-case scenario for this is new capability is the reseller one.
Once it is configured, you may give access to a reseller and let him manage their domains. I will explain how it works.
I have forgotten to make this public, but from some days ago the LibKS 1.3.0 RPM for CentOS 7 and 8 is available. LibKS is defined by FreeSWITCH as a cross-platform kitchen sink library. It is needed if you want to enable signalwire module.