128 Sims 4G VoIP Gateway for Call Centers

128 Sims 4G VoIP Gateway for Call Centers. High Capacity SIM Support: Supports up to 128 SIM cards with 16 ports or 256 SIMs with 32 ports for large-scale call centers. 4G and GSM Dual Mode: Compatible with 4G, GSM, 3G, and CDMA networks with quad-band support for global connectivity. Advanced SIM Rotation: Automatically rotates SIM cards based on call duration, idle time, or failure rates to prevent blocking. Human Behavior Function: Intelligently manages SIM usage based on talk time, call counters, and failure patterns. Switch Bandwidth Optimization: Features SBO technology to optimize bandwidth usage and improve call quality efficiency. IMEI Modification Support: Allows IMEI change, auto-generation, and modification to bypass carrier restrictions. Comprehensive SMS & USSD: Supports sending, receiving, batch SMS, and USSD balance inquiries for active management. Flexible Network Integration: Built-in WiFi router and optional 4G module for direct modem connection or mobile call termination.