F623CWP
Standard Business IP Phone

2 lines supported. 10 multi-function keys. call waiting, auto answer. Music on hold, caller ID and call waiting ID. 3- way conference. Call Hold, call forwarding, call mute. Delayed hotline, redial, call transfer: blind transfer and attended transfer. Dial plan, phonebook. Message waiting indicator Black list, MWI, SMS, DND. Full-duplex speaker- phone call log: redial list, answered calls and missed calls. Volume adjustment: handset/headset, speaker and ringer DTMF Relay: In-band, out-band (RFC2833 and SIP INFO