// Add ChannelManager.
ChannelManagerService channelmgr = new ChannelManagerService();
workflowRuntime.AddService(channelmgr);

contextFileName = localServiceHost.Description.ServiceType.Name + contextFileExtension;

// add local client endpoints
workflowRuntime = this.Description.Behaviors.Find<WorkflowRuntimeBehavior>().WorkflowRuntime;
workflowRuntime.AddService(new ChannelManagerService(localServiceHost.ClientEndpoints));

localServiceHost.Open();

NameValueCollection parameters = new NameValueCollection();
parameters.Add("idleTimeout", TimeSpan.FromMinutes(10).ToString());
parameters.Add("leaseTimeout", TimeSpan.FromMinutes(1).ToString());
parameters.Add("maxIdleChannelsPerEndpoint", "10");
ChannelManagerService service = new ChannelManagerService(parameters);

ChannelPoolSettings settings = new ChannelPoolSettings();
settings.IdleTimeout = TimeSpan.FromMinutes(10);
settings.LeaseTimeout = TimeSpan.FromMinutes(1);
settings.MaxOutboundChannelsPerEndpoint = 10;
ChannelManagerService service = new ChannelManagerService(settings);

ChannelPoolSettings settings = new ChannelPoolSettings();
settings.IdleTimeout = TimeSpan.FromMinutes(10);
settings.LeaseTimeout = TimeSpan.FromMinutes(1);
settings.MaxOutboundChannelsPerEndpoint = 10;
IList<ServiceEndpoint> endpoints = new List<ServiceEndpoint>();
endpoints.Add(new ServiceEndpoint(contractDescription));
ChannelManagerService service = new ChannelManagerService(settings, endpoints);