List dial types
Retrieves the dial types available to originate calls. The id field of each dial type must be used as the value of the dial_type parameter when launching a call.
Authentication
x-api-keystring
Account authentication key.
OR
AuthorizationBearer
OAuth 2.0 access token issued by POST /api/oauth/token (client-credentials). Takes precedence over x-api-key when both are sent. See the Authentication section.
Response
List of dial types.
id
Unique identifier of the dial type. It is used in the dial_type field when launching a call.
name
Descriptive name of the dial type.

