DNS sub-system in Kamailio DNS failover DNS load balancing NAT ( Network Address Translation) NAT ( Network Address Translation) Why is NAT is important in SIP? Types of NAT solutions NAT behaviours RTP NAT Fixing NAT NAT Traversal Module Why use keepalive when Registrations are already there for NATing ? How keepalives work for NATing … Continue reading Kamailio DNS and NAT