diff --git a/src/socketio/asyncio_namespace.py b/src/socketio/asyncio_namespace.py
index eba8838..1ab38a9 100644
--- a/src/socketio/asyncio_namespace.py
+++ b/src/socketio/asyncio_namespace.py
@@ -71,6 +71,18 @@ class AsyncNamespace(namespace.Namespace):
                                       namespace=namespace or self.namespace,
                                       callback=callback)
 
+    async def call(self, event, data=None, to=None, sid=None, namespace=None,
+                   timeout=None):
+        """Emit a custom event to a client and wait for the response.
+
+        The only difference with the :func:`socketio.Server.call` method is
+        that when the ``namespace`` argument is not given the namespace
+        associated with the class is used.
+        """
+        return await self.server.call(event, data=data, to=to, sid=sid,
+                                      namespace=namespace or self.namespace,
+                                      timeout=timeout)
+
     async def close_room(self, room, namespace=None):
         """Close a room.
 
@@ -193,6 +205,17 @@ class AsyncClientNamespace(namespace.ClientNamespace):
                                       namespace=namespace or self.namespace,
                                       callback=callback)
 
+    async def call(self, event, data=None, namespace=None, timeout=None):
+        """Emit a custom event to the server and wait for the response.
+
+        The only difference with the :func:`socketio.Client.call` method is
+        that when the ``namespace`` argument is not given the namespace
+        associated with the class is used.
+        """
+        return await self.client.call(event, data=data,
+                                      namespace=namespace or self.namespace,
+                                      timeout=timeout)
+
     async def disconnect(self):
         """Disconnect a client.
 
diff --git a/src/socketio/namespace.py b/src/socketio/namespace.py
index 4e1ec79..0d9dd98 100644
--- a/src/socketio/namespace.py
+++ b/src/socketio/namespace.py
@@ -62,6 +62,18 @@ class Namespace(BaseNamespace):
                                 namespace=namespace or self.namespace,
                                 callback=callback)
 
+    def call(self, event, data=None, to=None, sid=None, namespace=None,
+             timeout=None):
+        """Emit a custom event to a client and wait for the response.
+
+        The only difference with the :func:`socketio.Server.call` method is
+        that when the ``namespace`` argument is not given the namespace
+        associated with the class is used.
+        """
+        return self.server.call(event, data=data, to=to, sid=sid,
+                                namespace=namespace or self.namespace,
+                                timeout=timeout)
+
     def enter_room(self, sid, room, namespace=None):
         """Enter a room.
 
@@ -171,8 +183,7 @@ class ClientNamespace(BaseNamespace):
                                 namespace=namespace or self.namespace,
                                 callback=callback)
 
-    def send(self, data, room=None, skip_sid=None, namespace=None,
-             callback=None):
+    def send(self, data, room=None, namespace=None, callback=None):
         """Send a message to the server.
 
         The only difference with the :func:`socketio.Client.send` method is
@@ -182,6 +193,17 @@ class ClientNamespace(BaseNamespace):
         return self.client.send(data, namespace=namespace or self.namespace,
                                 callback=callback)
 
+    def call(self, event, data=None, namespace=None, timeout=None):
+        """Emit a custom event to the server and wait for the response.
+
+        The only difference with the :func:`socketio.Client.call` method is
+        that when the ``namespace`` argument is not given the namespace
+        associated with the class is used.
+        """
+        return self.client.call(event, data=data,
+                                namespace=namespace or self.namespace,
+                                timeout=timeout)
+
     def disconnect(self):
         """Disconnect from the server.
 
diff --git a/tests/asyncio/test_asyncio_namespace.py b/tests/asyncio/test_asyncio_namespace.py
index aa73f5f..2bf2ffd 100644
--- a/tests/asyncio/test_asyncio_namespace.py
+++ b/tests/asyncio/test_asyncio_namespace.py
@@ -157,6 +157,31 @@ class TestAsyncNamespace(unittest.TestCase):
             callback='cb',
         )
 
+    def test_call(self):
+        ns = asyncio_namespace.AsyncNamespace('/foo')
+        mock_server = mock.MagicMock()
+        mock_server.call = AsyncMock()
+        ns._set_server(mock_server)
+        _run(ns.call('ev', data='data', to='sid'))
+        ns.server.call.mock.assert_called_with(
+            'ev',
+            data='data',
+            to='sid',
+            sid=None,
+            namespace='/foo',
+            timeout=None,
+        )
+        _run(ns.call('ev', data='data', sid='sid', namespace='/bar',
+                     timeout=45))
+        ns.server.call.mock.assert_called_with(
+            'ev',
+            data='data',
+            to=None,
+            sid='sid',
+            namespace='/bar',
+            timeout=45,
+        )
+
     def test_enter_room(self):
         ns = asyncio_namespace.AsyncNamespace('/foo')
         ns._set_server(mock.MagicMock())
@@ -298,6 +323,20 @@ class TestAsyncNamespace(unittest.TestCase):
             'data', namespace='/bar', callback='cb'
         )
 
+    def test_call_client(self):
+        ns = asyncio_namespace.AsyncClientNamespace('/foo')
+        mock_client = mock.MagicMock()
+        mock_client.call = AsyncMock()
+        ns._set_client(mock_client)
+        _run(ns.call('ev', data='data'))
+        ns.client.call.mock.assert_called_with(
+            'ev', data='data', namespace='/foo', timeout=None
+        )
+        _run(ns.call('ev', data='data', namespace='/bar', timeout=45))
+        ns.client.call.mock.assert_called_with(
+            'ev', data='data', namespace='/bar', timeout=45
+        )
+
     def test_disconnect_client(self):
         ns = asyncio_namespace.AsyncClientNamespace('/foo')
         mock_client = mock.MagicMock()
diff --git a/tests/common/test_namespace.py b/tests/common/test_namespace.py
index e42f864..f096111 100644
--- a/tests/common/test_namespace.py
+++ b/tests/common/test_namespace.py
@@ -112,6 +112,34 @@ class TestNamespace(unittest.TestCase):
             callback='cb',
         )
 
+    def test_call(self):
+        ns = namespace.Namespace('/foo')
+        ns._set_server(mock.MagicMock())
+        ns.call('ev', data='data', to='sid')
+        ns.server.call.assert_called_with(
+            'ev',
+            data='data',
+            to='sid',
+            sid=None,
+            namespace='/foo',
+            timeout=None,
+        )
+        ns.call(
+            'ev',
+            data='data',
+            sid='sid',
+            namespace='/bar',
+            timeout=45,
+        )
+        ns.server.call.assert_called_with(
+            'ev',
+            data='data',
+            to=None,
+            sid='sid',
+            namespace='/bar',
+            timeout=45,
+        )
+
     def test_enter_room(self):
         ns = namespace.Namespace('/foo')
         ns._set_server(mock.MagicMock())
@@ -204,6 +232,17 @@ class TestNamespace(unittest.TestCase):
             'data', namespace='/bar', callback='cb'
         )
 
+    def test_call_client(self):
+        ns = namespace.ClientNamespace('/foo')
+        ns._set_client(mock.MagicMock())
+        ns.call('ev', data='data')
+        ns.client.call.assert_called_with(
+            'ev', data='data', namespace='/foo', timeout=None)
+        ns.call('ev', data='data', namespace='/bar', timeout=45)
+        ns.client.call.assert_called_with(
+            'ev', data='data', namespace='/bar', timeout=45
+        )
+
     def test_disconnect_client(self):
         ns = namespace.ClientNamespace('/foo')
         ns._set_client(mock.MagicMock())