ARI: Implement channel dial.

This creates a new outbound channel, and bridges it to a channel already in
the Stasis application.

(closes issue ASTERISK-21620)

Review: https://reviewboard.asterisk.org/r/2634/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@393326 65c4cc65-6c06-0410-ace0-fbb531ad65f3

rest-api/api-docs/channels.json

@@ -183,6 +183,15 @@
 							"required": false,
 							"allowMultiple": false,
 							"dataType": "string"
+						},
+						{
+							"name": "timeout",
+							"description": "Timeout (in seconds) before giving up dialing, or -1 for no timeout.",
+							"paramType": "query",
+							"required": false,
+							"allowMultiple": false,
+							"dataType": "int",
+							"defaultValue": 30
 						}
 					],
 					"errorResponses": [