Merge pull request #19 from Nexmo/content/voice-building-block

Create first building block for voice API

_documentation/voice/building-blocks/make-a-phone-call.md

@@ -6,8 +6,8 @@ wip: true
 
 # Make a phone call
 
-**Content for this page has not yet been migrated. This is a placeholder.**
+In the examples replace `API_KEY`, `API_SECRET`, `APPLICATION_ID`, `PRIVATE_KEY_PATH`, `TO_NUMBER` and `FROM_NUMBER` with real values.
 
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+```tabbed_content
+source: '_examples/voice/make-a-tts-call'
+```

_examples/voice/make-a-tts-call/Python

@@ -11,7 +11,17 @@ pip install nexmo
 Create a `call.py`:
 
 ```python
-// Example pending
+import nexmo
+
+PRIVATE_KEY = open(PRIVATE_KEY_PATH, 'r').read()
+client = nexmo.Client(key=API_KEY, secret=API_SECRET,
+    application_id=APPLICATION_ID, private_key=PRIVATE_KEY)
+
+response = client.create_call({
+  'to': [{'type': 'phone', 'number': 'TO_NUMBER'}],
+  'from': {'type': 'phone', 'number': 'FROM_NUMBER'},
+  'answer_url': ['https://nexmo-community.github.io/ncco-examples/first_call_talk.json']
+})
 ```
 
 Run: