Siemens OpenStage 15 HFA - Lava - Refurbished Category_Best4Systems/Grandstream/GXP2100 Series SIP Phones Software upgrade supported using a

Software upgrade supported using a Trivial File Transfer Protocol (TFTP) server

Cisco Unified CallManager v

Alphanumeric Keyboard

The phone's standard base stand can be reversed to become a wall mount

Speed dial

Siemens OpenStage 15 HFA - Lava - Refurbished Category_Best4Systems/Grandstream/GXP2100 Series SIP Phones Software upgrade supported using a3 Fixed function keys with LEDs 8 Programmable keys Expandable Key labeling paper inserts Full volume control LCD Display with 3 way navigation key Handsfree duplex speakerphone AudioPresence HD audio quality Powered through PoE External PSU sold separately Dual 10 100Base T Ethernet Switches Please Note This phone requires a minimum version 7 HiPath System