2N VoiceBlue Enterprise 4 Port SIP - H323 - GSM FCT(without GPRS)

2N VoiceBlue Enterprise 4 Port SIP - H323 - GSM FCT(without GPRS) . 4 SIM Cards. H323 & SIP Connectivity. LCR Functionality. STUN Server Support. Minute Management. Auto Clip Routing. Optional E?]Mail/SMS Server. Optional SIP Proxy (Soft PBX). Optional Internet Gateway System? 4 connections- 3 PRI: PSTN/PBX/Cellular and VoIP connection? Intelligent Routing - Return up to 1,500 mobile calls directly to the calling DDI (Direct Dial-In)? Least Cost Routing (LCR) - Up to 20 tables? Number portability support? Full