1. Enterprise-CS Enterprise-CS Stations IX -5800 Iwatsu ICON Series Full Duplex Speakerphone Digital Only Headset Jack Rectangular Key Label (no die cut Desi required) Expansion Line Key (ELK) Available to Expand to 18 Buttons 2 Line Display Transfer, Feature, Hold/DND Volume, Mute, Speakerphone 9 Dual LED Programmable 9 Dual LED Expansion (ELK)

2. Enterprise-CS Enterprise-CS Stations IX -5810 Iwatsu ICON Series Digital IX – 5910 Iwatsu ICON Series IP Full Duplex Speakerphone Bluetooth Upgrade Headset Jack Rectangular Key Label Expansion Line Key (ELK) Available to Expand to 24 Buttons “Ticker Field Display” Advanced Directory Simplified Conference Softkey ‘Toggle’ for 20 Keys Transfer, Feature, Hold/DND Volume, Mute, Speakerphone 8 Dual LED Expansion (ELK) 16 Dual LED Programmable 7 Line Backlit Display 10 Fully Programmable Dual LED Self Labeling Keys

3. Enterprise-CS Enterprise-CS Stations IX -5930 Iwatsu ICON Series IP Full Duplex Speakerphone Bluetooth Upgrade Headset Jack Completely Self Labeling “Ticker Field Display” Advanced Directory Simplified Conference Softkey ‘Toggle’ for 60 Keys Transfer, Feature, Hold/DND Volume, Mute, Speakerphone 30 Dual LED Programmable 15 Line Backlit Display