Adtran NetVanta 3148P with EFP (VPN and VQM), Part# 47003148F21 master intercom you can connect Plantronics wireless

you can connect Plantronics wireless series headsets to NEC DT terminals to enable control of on/off hook functionality via the headset buttons

Non-blocking switching capacity up to 23

0 Lux with IR on

settings requiring two-way communication and secure access

9-pin male

Adtran NetVanta 3148P with EFP (VPN and VQM), Part# 47003148F21 master intercom you can connect Plantronics wirelessFixed port Ethernet access Router designed for Internet access, MPLS, Ethernet services, VPN connectivity, and Hosted VoIP. Includes 4 Gigabit Ethernet ports (2 combo, 2 copper) and 8 port 200W PoE Gigabit switch. Standards based eBGP iBGP, OSPF, RIP V1