CommPeak PortalVoIP ServicesFAQsWhat Should I Do If Port 5061 Is Blocked?Learn what to do if port 5061 is blocked.Answer If you're experiencing blocked access, you can connect securely using TLS transport over alternative ports. Alternative Connection Method Details: Protocol: TLS Primary Port: 5061 Backup Port: 5065 (use it if 5061 is blocked). Updated about 15 hours ago Which Ports Should I Allow for CommPeak VoIP Services?Can I Use Third-Party Applications With CommPeak VoIP Services?Did this page help you?YesNoCopy PageAnswer