diff --git a/lib/asio_client_session_tls_impl.cc b/lib/asio_client_session_tls_impl.cc
index 377886c..407e1f7 100644
--- a/lib/asio_client_session_tls_impl.cc
+++ b/lib/asio_client_session_tls_impl.cc
@@ -44,6 +44,26 @@ session_tls_impl::session_tls_impl(
   }
 }
 
+session_tls_impl::session_tls_impl(
+  boost::asio::io_service &io_service, boost::asio::ssl::context &tls_ctx,
+  const boost::asio::ip::tcp::endpoint &local_endpoint,
+  const std::string &host, const std::string &service,
+  const boost::posix_time::time_duration &connect_timeout)
+  : session_impl(io_service, connect_timeout), socket_(io_service, tls_ctx) {
+  // this local_endpoint binding is needed
+  socket_.open(local_endpoint.protocol());
+  boost::asio::socket_base::reuse_address option(true);
+  socket_.set_option(option);
+  socket_.bind(local_endpoint);
+  // this callback setting is no effect is
+  // ssl::context::set_verify_mode(boost::asio::ssl::verify_peer) is
+  // not used, which is what we want.
+  socket_.set_verify_callback(boost::asio::ssl::rfc2818_verification(host));
+  auto ssl = socket_.native_handle();
+  if (!util::numeric_host(host.c_str())) {
+    SSL_set_tlsext_host_name(ssl, host.c_str());
+  }
+}
 session_tls_impl::~session_tls_impl() {}
 
 void session_tls_impl::start_connect(tcp::resolver::iterator endpoint_it) {
diff --git a/lib/asio_client_session_tls_impl.h b/lib/asio_client_session_tls_impl.h
index 645c60f..f11b513 100644
--- a/lib/asio_client_session_tls_impl.h
+++ b/lib/asio_client_session_tls_impl.h
@@ -43,6 +43,11 @@ class session_tls_impl : public session_impl {
                    boost::asio::ssl::context &tls_ctx, const std::string &host,
                    const std::string &service,
                    const boost::posix_time::time_duration &connect_timeout);
+  session_tls_impl(boost::asio::io_service &io_service,
+                    boost::asio::ssl::context &tls_ctx, 
+                    const boost::asio::ip::tcp::endpoint &local_endpoint,
+                    const std::string &host,const std::string &service,
+                    const boost::posix_time::time_duration &connect_timeout);
   virtual ~session_tls_impl();
 
   virtual void start_connect(tcp::resolver::iterator endpoint_it);