Yealink WH67 UC Convertible DECT Wireless Headset (1308041) Monitors and a system can support

and a system can support up to four LR5801

The Nortel NT8D17FA is a module for Nortel Meridian phone systems

Avaya 4602SW Features:

A pair of 10/100 Ethernet ports are also included for LAN segmentation

Yealink WH67 UC Convertible DECT Wireless Headset (1308041) Monitors and a system can supportYealink WH67 UC Convertible Headset Description: The Yealink WH67 unified communications headset is a DECT headset that can be worn a few different ways. You can use the ear loop style, headband style, or neckband style. The WH67 has a 120 meter range with 8 hours of talk time. Yealink WH67 (1308041) Features: 4 Inch Touch Screen Talk Time: 8 Hours Range: 300+ Feet USB Connection Ringer on the base Supports Busylight Acoustic Shield Technology