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The ES-4000 is a complete VOIP Media Gateway connecting from 4 - 28T1/E1 spans (840 PSTN channels) to up to 512, bi-directional, VOIP data streams. Driven by any flavor customer application, the client / server approach scales to offer low cost VOIP telephony services for all environments. Open Source software provides full control over TDM channels and VOIP RTP/IP streams with SIP control, and, 1024 Virtual IVR ports are a standard feature. Optional Advanced DSP Modules add extended capabilities to the ES-4000; Conferencing, DTMF / long character detection, Echo Suppression / Cancellation, Voice Compression.
Product Brochure - es4kh.pdf |
