Sangoma Vega 400

Vega 400 is a highly reliable digital VoIP gateway allowing you to easily integrate with existing TDM PBXs into a modern IP infrastructure. The great advantage of the gateway is the presence of unique flexible licensing of VoIP connections.

By purchasing Vega 400, you receive a fully functional 4xE1/T1 VoIP Gateway with 8 simultaneous VoIP calls at a price similar 1xE1 device. This is achieved because Vega 400 is initially a 4xE1/T1 gateway. If the load on VoIP tract exceeds 30 simultaneous calls, the user can get an extension increasing the number of simultaneous VoIP calls, up to 120.
As all gateways of Sangoma-Vegastream Company, Vega 400 has switching call system, allowing the device to work without an external SoftSwitch / IP PBX or switch to this mode when there is no connection with SoftSwitch or IP PBX. In recent implementations of software Vegastream significantly extended the functionality of built-in call routing system.

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VoIP Favors SIP

Session Initiation Protocol (SIP) is a text-based standard put in place by the Internet Engineering Task Force (IETF) and is the primary protocol for Voice over Internet Protocol services. SIP is similar to a MGCP in that it's a signaling protocol that can create, maintain and terminate sessions in IP-based networks. These sessions include multimedia conferencing and two-way phone calls. SIP protocol can run on User Datagram Protocol (UDP), Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP) because it was created to function independently from the underlying Transport Layer as an Application Layer.

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