Get calling configuration for an app
Admin API key (format: sk_admin_*) for organization-level operations
"app_2DbBs7GWhGvVNJGrDXr5RG0mBWI"
Calling configuration retrieved successfully
"cc_2DbBs7GWhGvVNJGrDXr5RG0mBWI"
"app_2DbBs7GWhGvVNJGrDXr5RG0mBWI"
mp4, ogg, webm webhook, voicemail