InstanceContext.IncomingChannels Property

OperationContext operationContext = OperationContext.Current;
InstanceContext instanceContext = operationContext.InstanceContext;
ICollection<IChannel> incomingChannels = instanceContext.IncomingChannels;

Uri baseAddress = new Uri("http://localhost:8000/ServiceModelSamples/service");

// Create a ServiceHost for the CalculatorService type and provide the base address. 
using (ServiceHost serviceHost = new ServiceHost(typeof(CalculatorService), baseAddress))
{
    serviceHost.Open();
    OperationContext operationContext = OperationContext.Current;
    InstanceContext instanceContext = operationContext.InstanceContext;
    ICollection<IChannel> channels = instanceContext.IncomingChannels;
}