Update communication-services-voice-video-events.md

Adding IncomingCall event details for ACS Call Automation's Incoming Call event

Author: minwoolee-msft

articles/event-grid/communication-services-voice-video-events.md

@@ -21,6 +21,7 @@ Azure Communication Services emits the following voice and video calling event t
 | Microsoft.Communication.CallEnded   | Published when call is ended  |
 | Microsoft.Communication.CallParticipantAdded | Published when participant is added  |
 | Microsoft.Communication.CallParticipantRemoved | Published when participant is removed  |
+| Microsoft.Communication.IncomingCall | Published when there is an incoming call  |
 
 ## Event responses
 
@@ -238,6 +239,41 @@ This section contains an example of what that data would look like for each even
 ]
 ```
 
+### Microsoft.Communication.IncomingCall
+
+```json
+[
+  {
+    "id": "d5546be8-227a-4db8-b2c3-4f06fd675fd6",
+    "topic": "/subscriptions/{subscription-id}/resourcegroups/{group-name}/providers/microsoft.communication/communicationservices/{communication-services-resource-name}",
+    "subject": "/caller/4:+16041234567/recipient/8:acs:ff4181e1-324c-4cd1-9c4f-bda3e5d348f5_00000000-0000-0000-0000-000000000000",
+    "data": {
+      "to": {
+        "kind": "PhoneNumber",
+        "rawId": "4:+18331234567",
+        "phoneNumber": {
+          "value": "+18331234567"
+          }
+        },
+      "from": {
+        "kind": "PhoneNumber",
+        "rawId": "4:+16041234567",
+        "phoneNumber": {
+          "value": "+16041234567"
+          }
+        },
+      "callerDisplayName": "",
+      "incomingCallContext": "eyJhbGciOiJub25lIiwidHliSldUIn0.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.",
+      "correlationId": "d732db64-4803-462d-be9c-518943ea2b7a"
+    },
+    "eventType": "Microsoft.Communication.IncomingCall",
+    "dataVersion": "1.0",
+    "metadataVersion": "1",
+    "eventTime": "2022-08-25T19:27:24.2415391Z"
+  }
+]
+```
+
 ## Limitations
 Calling events are only available for ACS VoIP users. PSTN, bots, echo bot and Teams users events are excluded.
 No calling events will be available for ACS - Teams meeting interop call.