The Hypermedia HG-4000/6U VOIP GSM Gateway series is part of the HyperGateway family of flexible, scalable platforms which empower cost-effective corporate telephony over fixed, cellular and IP networks. Hypermedia Gateways provide integrated voice communications for both on-site and remote users of small-to-large enterprises.


• Multi-SIM — 4 SIM cards per channel
• Remote SIM card re-charging Carrier-grade gateway, perfect for large enterprises, organizations and
• alternative providers
• Scalable: from 8 to 72 cellular channels
• Remote, web-based management
• Supports optional ISDN-PRI interface
• Supports optional Hypersavings suite
• Supports an optional built-in LAN/WAN
• router with NAT-enabled firewall
• Supports SIP and H.323
• Single point-of-contact for service