The HP Poly APC-43 Electronic Hook Switch Adapter Cable is a TAA-compliant accessory designed to optimize call management on compatible desk phones. This black cable eliminates the need for a separate handset lifter, allowing for quick and efficient answering and ending of calls. It is constructed for use with Cisco desk phones but can also work with devices from other manufacturers, providing broad compatibility. The user-friendly design ensures easy installation, reducing setup time and effort. Focused on durability, it features reliable connectors and a robust build for consistent performance in professional environments. This unisex product is suitable for adult users and supports seamless integration into office communication systems to enhance productivity without complex hardware. The model number is 85Q55AA, and it is manufactured by HP, ensuring compliance with quality standards. Ideal for upgrading existing telephone systems, this adapter cable offers a practical solution for hands-free call control, emphasizing functionality and user-friendliness.