Enable outbound calling to Argentina (+54) — account whitelist request

Support Help
1

Hi,

We’re hitting “Call country not supported: AR” when triggering
outbound calls from our account to Argentinian numbers.

Use case: medical app for doctors based in Argentina calling
their patients in Argentina for pre-op and post-op follow-ups.

Account details:

  • Account email: mateo@fusionads.ai
  • Agent ID: agent_6491f22805bb075dd9ff8383d2
  • Sample failed call timestamp: 2026-04-22T12:25:10Z
  • Sample blocked number: +5491165480369

Please whitelist AR (+54) for outbound calls on our account.

Thanks!

2

Hey @mateo

Unfortunately Argentina is not currently supported for outbound calls through Retell’s managed telephony providers (Twilio/Telnyx). To make calls to Argentina , you’d need to set up Custom Telephony with your own SIP trunk.

More details here:

Thank You