Nel log del mio server 3CX ad intervalli di 20 minuti vedo questo messaggio
09:59:55.768 StunClient:
nInitTests [CM506001]: STUN request to resolve SIP external IP
ort mapping is sent to STUN server 75.101.138.128:3478 over Transport 192.168.0.70:5060
e' normale ?
192.168.0.70 e' il centralino 3CX
09:59:55.768 StunClient:
e' normale ?
192.168.0.70 e' il centralino 3CX