Nice, since Broadbased Communications Limited has confirmed their side, the next thing per Vapi docs is to verify your phone number is linked to the correct assistant and serverUrl. Also make sure inbound webhooks are reachable and that SIP/transport is set to receive calls. Most issues at this stage come from missing agent IDs or blocked webhook URLs. Let's discuss more privately so we can set it up together and logs and I’ll help you pinpoint it quickly. @549728