The EnGenius DURAFON-SIP is a long-range, durable SIP cordless telephone system designed for business environments requiring extended coverage and robust communication. This system is suitable for organizations that need reliable voice connectivity across larger areas, such as warehouses, manufacturing facilities, or sprawling office campuses, where standard cordless phones may lack sufficient range or durability. It addresses the challenge of maintaining communication for mobile staff without relying solely on cellular networks or traditional wired extensions. The system includes one base station, providing the foundation for a scalable cordless communication solution that integrates with existing SIP-based telephony infrastructure. Its durable construction is intended to withstand demanding work conditions, offering a practical communication tool for various operational needs.