Vtech ErisStation VCS754A SIP Audio Conference Phone with Four Wireless Mics

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)