Polycom SoundPoint IP 670 - Page 21

Getting Started with Your Phone
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Icons associated with the line keys appear on the graphic display and
represent:
Icon Description
Registered line (solid)
Registered shared line
Unregistered line (outline)
Voice mail/Text messages
Speed dial
Ringing
Call in progress with HD Voice
Call in progress
Call Forward
Do Not Disturb
Conference
Presence/Busy Lamp Field (BLF)