Mitel 6867i Administrator's Manual page 31

IP Phone Models
KEY DESCRIPTION
Line/Call Appearance Keys - Connects you to a line or call. The Mitel 6865i IP
Phone supports two line keys, each with LED indicator lights.
Speaker/Headset Key - Transfers the active call to the speaker or headset,
allowing handsfree use of the phone.
Programmable Keys - When programmed, allows you to easily perform up to 8
specific functions (e.g. Services, Directory, Received Callers List, Intercom, etc...)
and access enhanced services provided by third parties (e.g. XML applications).
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