dial
Initiate a new outbound call. Provide either a url pointing to a SWML document
or an inline swml object to control the call flow.
Request
params
An object of parameters that will be utilized by the active command.
Response
Call Leg
Returned when the call is a standard PSTN, SIP, or WebRTC call.
OR
Fabric Subscriber Device Leg
Returned when the call is a Fabric subscriber device leg. The status field is always null for this type.