diff --git a/event-schemas/examples/m.call.answer b/event-schemas/examples/m.call.answer
new file mode 100644
index 00000000..0301fb3b
--- /dev/null
+++ b/event-schemas/examples/m.call.answer
@@ -0,0 +1,17 @@
+{
+  "age": 242352,
+  "content": {
+    "version" : 0,
+    "call_id": "12345",
+    "lifetime": 60000,
+    "answer": {
+      "type" : "answer",
+      "sdp" : "v=0\r\no=- 6584580628695956864 2 IN IP4 127.0.0.1[...]"
+    }
+  },
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.call.answer",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}
diff --git a/event-schemas/examples/m.call.candidates b/event-schemas/examples/m.call.candidates
new file mode 100644
index 00000000..389d2271
--- /dev/null
+++ b/event-schemas/examples/m.call.candidates
@@ -0,0 +1,19 @@
+{
+  "age": 242352,
+  "content": {
+    "version" : 0,
+    "call_id": "12345",
+    "candidates": [
+      {
+        "sdpMid": "audio",
+        "sdpMLineIndex": 0,
+        "candidate": "candidate:863018703 1 udp 2122260223 10.9.64.156 43670 typ host generation 0"
+      }
+    ]
+  },
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.call.candidates",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}
diff --git a/event-schemas/examples/m.call.hangup b/event-schemas/examples/m.call.hangup
new file mode 100644
index 00000000..52ddad16
--- /dev/null
+++ b/event-schemas/examples/m.call.hangup
@@ -0,0 +1,12 @@
+{
+  "age": 242352,
+  "content": {
+    "version" : 0,
+    "call_id": "12345"
+  },
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.call.hangup",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}
diff --git a/event-schemas/examples/m.call.invite b/event-schemas/examples/m.call.invite
new file mode 100644
index 00000000..2df25929
--- /dev/null
+++ b/event-schemas/examples/m.call.invite
@@ -0,0 +1,17 @@
+{
+  "age": 242352,
+  "content": {
+    "version" : 0,
+    "call_id": "12345",
+    "lifetime": 60000,
+    "offer": {
+      "type" : "offer",
+      "sdp" : "v=0\r\no=- 6584580628695956864 2 IN IP4 127.0.0.1[...]"
+    }
+  },
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.call.invite",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}
diff --git a/event-schemas/schema/m.call.answer b/event-schemas/schema/m.call.answer
new file mode 100644
index 00000000..8976aa33
--- /dev/null
+++ b/event-schemas/schema/m.call.answer
@@ -0,0 +1,38 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "allOf": [{
+        "$ref": "core#/definitions/room_event"
+    }],
+    "properties": {
+        "content": {
+            "type": "object",
+            "properties": {
+                "call_id": {
+                    "type": "string"
+                },
+                "answer": {
+                    "type": "object",
+                    "properties": {
+                        "type": {
+                            "type": "string",
+                            "enum": ["answer"]
+                        },
+                        "sdp": {
+                            "type": "string"
+                        }
+                    },
+                    "required": ["type", "sdp"]
+                },
+                "version": {
+                    "type": "number"
+                }
+            },
+            "required": ["call_id", "answer", "version"]
+        },
+        "type": {
+            "type": "string",
+            "enum": ["m.call.answer"]
+        }
+    }
+}
diff --git a/event-schemas/schema/m.call.candidates b/event-schemas/schema/m.call.candidates
new file mode 100644
index 00000000..0a2937a1
--- /dev/null
+++ b/event-schemas/schema/m.call.candidates
@@ -0,0 +1,43 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "allOf": [{
+        "$ref": "core#/definitions/room_event"
+    }],
+    "properties": {
+        "content": {
+            "type": "object",
+            "properties": {
+                "call_id": {
+                    "type": "string"
+                },
+                "candidates": {
+                    "type": "array",
+                    "items": {
+                        "type": "object",
+                        "properties": {
+                            "sdpMid": {
+                                "type": "string"
+                            },
+                            "sdpMLineIndex": {
+                                "type": "number"
+                            },
+                            "candidate": {
+                                "type": "string"
+                            }
+                        },
+                        "required": ["candidate", "sdpMLineIndex", "sdpMid"]
+                    }
+                },
+                "version": {
+                    "type": "number"
+                }
+            },
+            "required": ["call_id", "candidates", "version"]
+        },
+        "type": {
+            "type": "string",
+            "enum": ["m.call.candidates"]
+        }
+    }
+}
diff --git a/event-schemas/schema/m.call.hangup b/event-schemas/schema/m.call.hangup
new file mode 100644
index 00000000..48d008b9
--- /dev/null
+++ b/event-schemas/schema/m.call.hangup
@@ -0,0 +1,25 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "allOf": [{
+        "$ref": "core#/definitions/room_event"
+    }],
+    "properties": {
+        "content": {
+            "type": "object",
+            "properties": {
+                "call_id": {
+                    "type": "string"
+                },
+                "version": {
+                    "type": "number"
+                }
+            },
+            "required": ["call_id", "version"]
+        },
+        "type": {
+            "type": "string",
+            "enum": ["m.call.hangup"]
+        }
+    }
+}
diff --git a/event-schemas/schema/m.call.invite b/event-schemas/schema/m.call.invite
new file mode 100644
index 00000000..4bdbccab
--- /dev/null
+++ b/event-schemas/schema/m.call.invite
@@ -0,0 +1,38 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "allOf": [{
+        "$ref": "core#/definitions/room_event"
+    }],
+    "properties": {
+        "content": {
+            "type": "object",
+            "properties": {
+                "call_id": {
+                    "type": "string"
+                },
+                "offer": {
+                    "type": "object",
+                    "properties": {
+                        "type": {
+                            "type": "string",
+                            "enum": ["offer"]
+                        },
+                        "sdp": {
+                            "type": "string"
+                        }
+                    },
+                    "required": ["type", "sdp"]
+                },
+                "version": {
+                    "type": "number"
+                }
+            },
+            "required": ["call_id", "offer", "version"]
+        },
+        "type": {
+            "type": "string",
+            "enum": ["m.call.invite"]
+        }
+    }
+}