void IWcfService.SetConfigurations(WcfConfiguration configurations) { var configuration = SipServerConfigurationSection.GetSection(); accounts.SetAccount( new Account(accounts.GetDefaultAccount()) { DomainName = configurations.DomainName, }); configuration.IsAuthorizationEnabled = configurations.IsAuthorizationEnabled; configuration.IsActiveDirectoryEnabled = configurations.IsActiveDirectoryUsersEnabled; configuration.ActiveDirectoryGroup = configurations.ActiveDirectoryUsersGroup; configuration.IsTracingEnabled = configurations.IsTracingEnabled; configuration.Save(); }