High quality, professional grade monaural headset solution for contact center use. Passport V headsets work with all VXI standard amplifiers and direct connect cords. Passport V headsets use the same impact-resistant plastic used in sports equipment to withstand the intensity of the 24/7 center. Durable construction means fewer repairs and less hassles. Compatibiliy: Grandstream BudgeTone IP, Grandstream GXP2000 (rev 1.0) IP, Linksys IP, Polycom IP 320/330 - in bundle with cable QD1095