diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 82f607d8..598c59b6 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2774,11 +2774,11 @@ class SSH2
 
         $terminal_modes = pack('C', NET_SSH2_TTY_OP_END);
         $packet = Strings::packSSH2(
-            'CNsCsN4s',
+            'CNsbsN4s',
             NET_SSH2_MSG_CHANNEL_REQUEST,
             $this->server_channels[self::CHANNEL_SHELL],
             'pty-req',
-            1,
+            true, // want reply
             $this->term,
             $this->windowColumns,
             $this->windowRows,
@@ -2789,24 +2789,6 @@ class SSH2
 
         $this->send_binary_packet($packet);
 
-        $response = $this->get_binary_packet();
-        if ($response === false) {
-            $this->disconnect_helper(NET_SSH2_DISCONNECT_CONNECTION_LOST);
-            throw new ConnectionClosedException('Connection closed by server');
-        }
-
-        list($type) = Strings::unpackSSH2('C', $response);
-
-        switch ($type) {
-            case NET_SSH2_MSG_CHANNEL_SUCCESS:
-            // if a pty can't be opened maybe commands can still be executed
-            case NET_SSH2_MSG_CHANNEL_FAILURE:
-                break;
-            default:
-                $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
-                throw new \UnexpectedValueException('Unable to request pseudo-terminal');
-        }
-
         $packet = Strings::packSSH2(
             'CNsb',
             NET_SSH2_MSG_CHANNEL_REQUEST,
@@ -2816,14 +2798,7 @@ class SSH2
         );
         $this->send_binary_packet($packet);
 
-        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST;
-
-        $response = $this->get_channel_packet(self::CHANNEL_SHELL);
-        if ($response === false) {
-            return false;
-        }
-
-        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA;
+        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_IGNORE;
 
         $this->bitmap |= self::MASK_SHELL;
 
@@ -3830,6 +3805,16 @@ class SSH2
                                 throw new \RuntimeException('Unable to open channel');
                         }
                         break;
+                    case NET_SSH2_MSG_IGNORE:
+                        switch ($type) {
+                            case NET_SSH2_MSG_CHANNEL_SUCCESS:
+                                //$this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_DATA;
+                                continue 3;
+                            case NET_SSH2_MSG_CHANNEL_FAILURE:
+                                $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+                                throw new \RuntimeException('Error opening channel');
+                        }
+                        break;
                     case NET_SSH2_MSG_CHANNEL_REQUEST:
                         switch ($type) {
                             case NET_SSH2_MSG_CHANNEL_SUCCESS:
@@ -3849,6 +3834,10 @@ class SSH2
 
             switch ($type) {
                 case NET_SSH2_MSG_CHANNEL_DATA:
+                    //if ($this->channel_status[$channel] == NET_SSH2_MSG_IGNORE) {
+                    //    $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_DATA;
+                    //}
+
                     /*
                     if ($channel == self::CHANNEL_EXEC) {
                         // SCP requires null packets, such as this, be sent.  further, in the case of the ssh.com SSH server