Phone Audio Flowchart - ETC VCC-28 Installation Manual

HEAD SET
Key
ON
PHONE
Key
ON
ON PHONE ONLY OFF
Key
Wireless
headset
HEAD SET, PHONE, PHONE ONLY
incoming
PHONE
audio
HEAD SET
Key
OFF
PHONE
Key
OFF
Phone
handset
HEAD SET
Key
ON
PHONE
Key
OFF
Phone ON
handset
HEAD SET
Key
OFF
PHONE
Key
ON
PHONE ONLY OFF
Key
Wireless
headset