I help businesses build, configure, and troubleshoot VoIP, PBX, and call center systems using 3CX, Asterisk, Vicidial, FreePBX, SIP, DID, IVR, CFD, and phone routing. My work covers call flow design, SIP trunk setup, PBX errors, NAT and RTP audio issues, dialer configuration, agent queues, DID routing, IVR logic, SMS, and phone automation. I focus on reliable call paths, clear routing, clean configuration, and practical troubleshooting. Whether you need a new call center setup or an existing system repaired, I can map the workflow, fix the issue, and test the complete call path before handoff.... Plus d’infos