http://pateandlester.com/lib/phpunit/phpunit/Util/PHP/eval-stdin 
Polycom VVX 300/310
- 2 line appearances
- Key system (square key) emulation
- Grayscale screen
- Built-in full-duplex speakerphone
- Built-in digital photo frame
- Adjustable base height
- Two-port ethernet switch (10/100 on VVX 300, gigabit ethernet on VVX 310)
- RJ-9 headset support with EHS
- Built-in wall mount
Polycom VVX 400/410
- 3 or 6 line appearances
- Key system (square key) emulation
- Color multi-touch interface with 3.5" screen
- Built-in full-duplex speakerphone
- Built-in digital photo frame
- Adjustable base height
- Two-port ethernet switch (10/100 on VVX 400, gigabit ethernet on VVX 410)
- RJ-9 headset support with EHS
- Built-in wall mount
Polycom VVX 500
- 3 or 6 line appearances
- Key system (square key) emulation
- Color multi-touch interface with 3.5" screen
- Built-in full-duplex speakerphone
- Built-in digital photo frame
- Adjustable base height
- Two-port gigabit ethernet switch
- RJ-9 headset support with EHS
- Call recording on USB flash drive
- Wall mountable with optional bracket
Polycom VVX 600
- 3 or 6 line appearances
- Key system (square key) emulation
- Color multi-touch interface with 4.3" screen
- Built-in full-duplex speakerphone
- Built-in digital photo frame
- Adjustable base height
- Two-port gigabit ethernet switch
- RJ-9 headset support with EHS
- Bluetooth headset support
- Call recording on USB flash drive
- Wall mountable with optional bracket