Added the ObserveForceMute flag (#193)

* Adding the ObserveForceMute flag

* Removed 3.5 from the build and fixed extra space in opentok.py

Author: geekchick

.github/workflows/ot.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8.8, 3.9]
+        python-version: [3.6, 3.7, 3.8.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2

opentok/opentok.py

@@ -1005,9 +1005,43 @@ def dial(self, session_id, token, sip_uri, options=[]):
             Boolean 'secure': A Boolean flag that indicates whether the media must be transmitted
             encrypted (true) or not (false, the default)
 
-        :rtype: A SipCall object, which contains data of the SIP call: id, connectionId and streamId
+            Boolean 'observeForceMute': A Boolean flag that determines whether the SIP endpoint should 
+            honor the force mute action. Defaults to False if moderator does not want to observe force
+            mute a stream and set to True if the moderator wants to observe force mute a stream.
+
+            This is an example of what the payload POST data body could look like:
+
+            {
+                "sessionId": "Your OpenTok session ID",
+                "token": "Your valid OpenTok token",
+                "sip": {
+                        "uri": "sip:[email protected];transport=tls",
+                        "from": "[email protected]",
+                        "headers": {
+                            "headerKey": "headerValue"
+                        },
+                    "auth": {
+                        "username": "username",
+                        "password": "password"
+                    },
+                        "secure": true|false,
+                        "observeForceMute": true|false
+                    }
+                }
+
+        :rtype: A SipCall object, which contains data of the SIP call: id, connectionId and streamId. 
+        This is what the response body should look like after returning with a status code of 200:
+
+        {
+            "id": "b0a5a8c7-dc38-459f-a48d-a7f2008da853",
+            "connectionId": "e9f8c166-6c67-440d-994a-04fb6dfed007",
+            "streamId": "482bce73-f882-40fd-8ca5-cb74ff416036",
+        }
+
+        Note: Your response will have a different: id, connectionId and streamId
         """
         payload = {"sessionId": session_id, "token": token, "sip": {"uri": sip_uri}}
+        observeForceMute = False
 
         if "from" in options:
             payload["sip"]["from"] = options["from"]
@@ -1021,6 +1055,10 @@ def dial(self, session_id, token, sip_uri, options=[]):
         if "secure" in options:
             payload["sip"]["secure"] = options["secure"]
 
+        if "observeForceMute" in options:
+            observeForceMute = True
+            payload["sip"]["observeForceMute"] = options["observeForceMute"]
+
         endpoint = self.endpoints.dial_url()
 
         logger.debug(

tests/test_sip_call.py

@@ -102,6 +102,7 @@ def test_sip_call_with_aditional_options(self):
             "headers": {"headerKey": "headerValue"},
             "auth": {"username": "username", "password": "password"},
             "secure": True,
+            "observeForceMute": True
         }
 
         sip_call_response = self.opentok.dial(