
2g 32 Ports 512 Sims GoIP Gateway SIP Trunking Call GSM VoIP Gateway. High Capacity SIM Support: Supports up to 512 SIM cards with 32 GSM ports for massive concurrent connections. Advanced Anti-Block Features: Includes SBO, BTS rotation, and human behavior simulation to prevent SIM and IP blocking. Flexible Network Connectivity: Supports GSM, 3G, and optional 4G modules with built-in WiFi router for versatile deployment. Comprehensive Web Management: User-friendly HTTP web interface for configuration, firmware upgrade, and real-time CDR management. Smart SIM Rotation Logic: Automatically rotates SIMs based on call duration, idle time, or failure rates to optimize usage. Professional VoIP Protocols: Full SIP V2.0 support with IVR customization, digit maps, and multiple voice codecs like G.729. IMEI and USSD Support: Supports IMEI change/generation and USSD balance inquiry for enhanced control and monitoring. Reliable Hardware Build: Steel cabinet design with AC/DC power options and comprehensive interface ports for stability.