/**
* Class user should implement this method in order to define Capabilities-Exchange-Answer for received CER over server socket.
* Origin-Host and Origin-Realm are configured at comm::Engine with hostname and FQDN (Fully Qualified Domain Name).
* Default implementation imply CEA with DIAMETER_SUCCESS Result-Code, and own domain node parameters, but application should
* analyze the CER message in order to accept it or not (with apropiate non-success Result-Code).
/**
* Class user should implement this method in order to define Capabilities-Exchange-Answer for received CER over server socket.
* Origin-Host and Origin-Realm are configured at comm::Engine with hostname and FQDN (Fully Qualified Domain Name).
* Default implementation imply CEA with DIAMETER_SUCCESS Result-Code, and own domain node parameters, but application should
* analyze the CER message in order to accept it or not (with apropiate non-success Result-Code).