SIP Trunk Security with Firewalls
SIP Trunking is often a peer-to-peer connection for the primary use of delivering PSTN connectivity over VoIP. SIP Trunking is delivered over a couple of different methods: Internet Telephony Service Providers (ITSP) Deliver SIP Trunking over the Internet Managed Service Providers (MSP) Deliver SIP Trunking over the dedicated carriers WAN connections The application of security