PLANET VIP-256PT - Manual (Page 8)

802.3af PoE SIP IP Phone
VIP-256PT
Secure, High-Quality VoIP Communication
The VIP-256PT supports SIP v2 for easy integration with general voice over IP system. It can also effortlessly
deliver secured toll voice quality by utilizing cutting-edge 802.1p QoS (Quality of Service), 802.1Q VLAN
tagging, and IP TOS technology.
Professional Application
The VIP-256PT supports Busy Lamp Field (BLF) function that, via the lights on the phone, enables users to
easily identify the status of other phones which connected to the same IP PBX, such as busy, idle, ringing, etc.
The connected IP PBX must also support BLF feature. The BLF function is helpful for a receptionist on the
front desk to route all incoming calls.
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