What is SIP Trunking?

InGate

SIP trunking is becoming more of a focus for service providers. One key issue many service providers face when deploying SIP trunks is NAT, or Network Address Translation, traversal.

When connecting enterprises to SIP trunks directly via the Internet, carriers must resolve issues created by the enterprise firewall and traverse the NAT to connect to the customer’s Local Area Network (LAN) while also maintaining security. Since carriers deploy SIP trunks on a mass scale, the need to offer customers a guaranteed solutionthat works seamlessly, and is secure, is all the more critical.

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