Inbound campaigns · practice · 12 min full read
The inbound topic allows custom prompts and hold music, a message when agents are unavailable, voicemail, and a forward to a third party. Those are different exits. Hold music is not voicemail. A forward leaves your agents entirely.
Third Party Transfer is an IVR module in the modules list. Voicemail Transfer is another. Picking the wrong one is a routing bug, not a carrier bug.