Ensure seamless call management with the Avaya Ring Detector Cable (Poly 75010-01 aka HP 85R29AA) from VDO Communications. Designed to integrate with your Avaya phone system, this high-quality cable detects incoming calls and activates the appropriate headset or speakerphone, allowing for efficient call handling. Built with durable materials for long-lasting performance, the Avaya Ring Detector Cable enhances productivity in office and call center environments by ensuring you never miss an incoming call. Easy to install and reliable, this cable is an essential accessory for maintaining optimal communication systems.