I need my Windows-based calling app wired up to 3CX and Twilio so both inbound and outbound calls flow without glitches. The work is a mix of fresh setup—provisioning the Twilio SIP trunk, routing numbers, configuring 3CX—and targeted troubleshooting on what’s already in place. A few settings have been touched, so you’ll likely spot and correct any mis-configured codecs, authentication details, or firewall rules. If this sounds straightforward for you, let’s schedule a quick session to outline next steps and timelines.