ĐIỆN THOẠI HỘI NGHỊ VCS754

Full-duplex speakerphone in base
Fast adaptive feedback control
Acoustic echo cancellation technology
Comfort noise injection
Enhanced noise reduction/Dynamic noise reduction (DNR)
Automatic gain control
Digital mixing
Volume control: 10 levels Up to 70 hours of standby time per wireless microphone
Up to 8 hours of talk time per wireless microphone Supports up to 3 SIP account registrations
10 ring tones/melodies; 10 ring levels
10 speed dial entries
Pre-dialing with editing
Local phonebook up to 200 entries
Phonebook import/export
LDAP/Broadsoft® remote phonebook
Call history up to 200 entries
Alpha phone book search
Number saving from CID log to phonebook or blacklist
Do Not Disturb (DND)
3-way local conference
N-way network conference
Call barring/blocking (block anonymous/blacklist)
Dial plan/digit map
Caller ID
Call transfer
Call hold
Call forwarding: per-line basis (busy/always/no answer)
Call timer (call duration)
Phonebook matching (incoming and outgoing calls)

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