Вы должны быть в состоянии сделать:
ClientSection clientSection = (ClientSection)ConfigurationManager.GetSection("system.serviceModel/client");
foreach(ChannelEndpointElement channelEndpointElement in clientSection.Endpoints)
{
// Use any of the channel endpoint element properties here:
// Address, BehaviorConfiguration, Binding, BindingConfiguration, Contract, etc.
}