Add Twilio docs

docs/plugins/twilio.rst

@@ -14,19 +14,56 @@
 
 In order to configure the text messages correctly, follow these steps:
 
-#. Create an account at :xref:`Twilio`.
+1. Create an account at :xref:`Twilio`.
 
-#. In Mautic, go to *Settings* (cog icon) > *Plugins*.
+2. In Mautic, go to *Settings* (cog icon) > *Plugins*.
 
-#. Open *Twilio* Plugin and activate it.
+3. Open *Twilio* Plugin and activate it.
 
-#. Copy the *Account Sender ID* from Twilio account and paste it to *Account Sender ID* field in the Twilio Plugin configuration.
+4. Log into your Twilio account and go to *Dashboard*.
 
-#. Unlock and copy the *Auth Token* and paste it to *Auth Token* field in the Twilio Plugin configuration.
+ .. image:: images/twilio-sid-authtoken.png
+    :width: 400
+    :alt: Screenshot of the SID and Auth Token fields
+
+
+5. Copy the *Account Sender ID (SID)* from Twilio account and paste it to *Account Sender ID* field in the Twilio Plugin configuration.
+
+6. Unlock and copy the *Auth Token* and paste it to *Auth Token* field in the Twilio Plugin configuration.
+
+7. Go to *Phone Numbers* > Active numbers in Twilio, add a phone number if you haven't already commissioned one.
+
+8. Go to *Messaging* > *Services* in Twilio, and create a new Messaging Service. Select the appropriate settings from the dropdown in the first step as relevant to your usage of SMS messages with Mautic, then click 'Create Messaging Service' at the bottom right.
+
+ .. image:: images/twilio-messaging-services.png
+    :width: 400
+    :alt: Screenshot of the Messaging Services interface
+
+9. Click the button to add your phone number as a Sender for this Messaging Service, then select the box and click 'Set up Integration' at the bottom right to move on to the next step.
+
+10. Select 'Send a Webhook' under the Integration settings.
+
+11. Configure the Request URL and Fallback URL to use the callback URL of ``https://example.com/sms/twilio/callback`` where ``example.com`` is your Mautic instance domain. Also enter this in the 'Delivery Status Callback' field.
 
-#. Go to *Products* > *Phone Numbers* in Twilio, copy the number and paste it to the *Sending Phone Number* field in Mautic.
+ .. image:: images/twilio-webhook-callback.png
+    :width: 400
+    :alt: Screenshot of the Messaging Services interface
+
+12. Click the 'Add Compliance Info' button to proceed to the next step, where you can register to send Application to Person (A2P) messages using a 10 digit long code phone number. Otherwise, click the button in the bottom right to complete setup. Click on 'View my new Messaging Service' to see the details of the service you just created. Once created you can view the SID from the Messaging > Services screen.
+
+ .. image:: images/twilio-messaging-service-id.png
+    :width: 400
+    :alt: Screenshot of the Messaging Services ID field on Twilio.
+
+13. Copy the Messaging Service ID and paste this into the 'Features' tab of your Mautic Twilio Plugin settings
 
-#. Select the *Text Message Enabled*? switch to *Yes* and save the Mautic configuration.
+ .. image:: images/twilio-messaging-service-id-mautic.png
+    :width: 400
+    :alt: Screenshot of the Messaging Services ID field in Mautic.
+
+14. Configure the global frequency rules for the SMS Channel as appropriate for your business.
+
+15. Select the *Published*? switch to *Yes* in the Enabled/Auth tab in Mautic and save the Plugin configuration.
 
 .. vale off
 
@@ -35,9 +72,9 @@
 
 .. vale on
 
-Alphanumeric Sender ID allows you to send Twilio Programmable SMS messages using a personalized sender name, in supported countries see :xref:`International Support for Alphanumeric Sender ID`.
+Alphanumeric Sender ID allows you to send SMS messages using a personalized sender name, in supported countries see :xref:`International Support for Alphanumeric Sender ID`.
 
-Instead of using an E.164 formatted Twilio Phone number for the "From" value, you can use a custom string like your own business' branding.
+Instead of using an E.164 formatted Twilio Phone number for the 'From' value, you can use a custom string like your own business' branding.
 
 .. note:: 
 
@@ -56,25 +93,25 @@
 
 #. Login to your account at :xref:`Twilio`.
 
-#. From the left side navigation bar, click Programmable SMS.
+#. From the left side navigation bar, click Messaging > Overview.
 
 #. Click Settings.
 
-#. Verify that you have ``Alphanumeric Sender ID``.
+#. From the General Messaging Settings page, Verify the 'Alphanumeric Sender ID' setting.
 
-Follow these steps to see if your account has Alphanumeric Sender enabled.
+ .. image:: images/twilio-alpha-numeric-number-settings.png
+    :width: 400
+    :alt: Screenshot of the Alphanumeric settings on Twilio.
 
 .. vale off
 
-Send SMS Messages using an Alphanumeric Sender ID with Mautic
-*************************************************************
+Adding alphanumeric sender ID to a Messaging Service
+====================================================
 
-.. vale on
+#. Open your Messaging Service via your Twilio Dashboard
 
-Just set up your alias in Plugin settings:
+#. Under the **Senders** section, click the **Add Senders IDs** button
 
- .. image:: images/alphanumeric-id.png
-    :width: 400
-    :alt: Screenshot of alphanumeric-id
+#. From the **Add Senders IDs** dropdown, select **Alpha Sender** and enter the alphanumeric sender ID that you want to add to the Sender Pool.
 
 Read more info about :xref:`Alphanumeric Sender ID` on Twilio site.