A SIP VoIP gateway is a device that enables a user to place VoIP calls using session initiation protocol (SIP). SIP is a telephony technology developed as a fast, easy standard for delivering IP-based voice, data, and video communications.
The F5 BIG-IP® product family offers a comprehensive approach to managing converged communications, providing the reliability, availability, and QoS necessary for SIP-enabled networks.
F5 products that support a SIP VoIP Gateway: BIG-IP product family