Added support of adding a TwiML App directly to a Conference

Similar to Application Connect support for <Dial><Application> , you can now connect a Conference to a TwiML App by designating the application sid as the To parameter when creating a participant, e.g.

To=app:APe3dc502eb541ac89ebd4bb1132467f51

You can also include custom parameters that will be passed to the application using query string notation, e.g.

To=app:APe…51?conferenceSid=foo&conferenceName=bar

This release enables you to execute additional TwiML on a Conference, for example connecting to <ConversationRelay>, without having to place an outbound call to Twilio Number, thus enabling you to pass context from the Conference to the agent. 

For more information, please refer to the docs:

• Conferences Participants subresource | Twilio