Panasonic KX-TD816JT User Manual page 55

• The CO or INTERCOM button light shows the current status as follows:
Flashing green: Your held call
Flashing red: Another extension's held call
• A single line telephone user can hold either an intercom call or an outside call at one time.
• A proprietary telephone user can hold an intercom call and multiple outside calls.
• To hold multiple intercom calls, use the "Call Park" feature.
• This feature is not available for an ISDN telephone user.
Operation
2.4 During a Conversation
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