Which two features are unique to SPA 525 phones compared to SPA 501, SPA 502, and SPA 508 phones? (Choose two.)
A.
dynamic softkeys
B.
full-duplex speakerphone
C.
MP3 music player
D.
monochrome backlit display
E.
Bluetooth
Which two features are unique to SPA 525 phones compared to SPA 501, SPA 502, and SPA 508 phones? (Choose two
Which two features are unique to SPA 525 phones compared to SPA 501, SPA 502, and SPA 508 phones? (Choose two.)