End an active call (alias for hangup command)
App API key (format: sk_live_app_* or sk_test_app_*) for app-level operations
Unique identifier for a Call. Format: call_[test_]{ksuid}
^call_(?:test_)?[a-zA-Z0-9]{27}$"call_2DbBs7GWhGvVNJGrDXr5RG0mBWI"
Call ended