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– Features change between 5.x and 6.x. Always check the version footer in your admin interface.
Always check the version number. Documentation for VoIPswitch 1.8 will not fully apply to VoIPswitch 2.0 due to significant architecture changes (e.g., migration from MySQL to PostgreSQL in some builds). voipswitch documentation
Media Server and NAT traversal chapter. Resolution: Ensure media_ip in vps_proxy.conf is set to a public IP (not 0.0.0.0). Also verify RTP port range (default 10000–20000) is open in firewall. – Features change between 5