Upgrade your business communication with a cutting-edge 4+16 GSM PABX telephone exchange. This system supports four external GSM lines and 16 internal extensions, ensuring reliable and cost-effective connectivity. Ideal for offices, call centers, and enterprises, it offers features like call forwarding, conferencing, and auto-attendant. Stay connected with a versatile, high-performance PABX solution tailored for modern communication needs. key features: 1:4 GSM Lines & 16 Extensions – Supports four external GSM lines and 16 internal extensions for seamless communication. 2:Cost-Effective GSM Connectivity – Reduces call costs by utilizing GSM networks instead of traditional landlines. 3:Auto-Attendant & IVR – Automated voice response system for professional call handling. 4:Call Forwarding & Transfer – Redirect calls to mobile or other extensions for uninterrupted communication. 5:Conference Calling – Enables multi-party conferencing for efficient team collaboration. 6:Caller ID & Call Waiting – Displays caller information and allows managing multiple calls. 7:Do Not Disturb (DND) Mode – Mute specific extensions to avoid unwanted disturbances. 8:Call Recording (Optional) – Record calls for monitoring and training purposes. 9:Easy Installation & Configuration – User-friendly setup with minimal technical expertise required. 10:Remote Access & Management – Configure and monitor the system remotely via software or mobile app.