Yealink W41P Corporate IP Telephone set

Audio Features
> HD voice: HD handset and HD speaker
> Hearing aid compatible (HAC) handset
> DTMF
> Full-duplex hands-free speakerphone with AEC
> Wideband codec: Opus, AMR-WB (optional), G.722
> Narrowband codec: PCMU, PCMA, G.723, G.726, G.729, iLBC

Phone Features
> Up to 2 simultaneous calls per handset
> Intercom
> Switching between calls
> Speed dial, voicemail, silence
> 100 phonebook memory (store in the base)
> Keypad lock
> Redial
> Call forward
> Call waiting
> Call transfer
> Call hold
> Mute
> DND
> 3-way conference call
> Direct IP call without SIP proxy
> Ringtone selection
> Emergency call
> Set date time manually or automatically
> Dsskey: Line, SpeedDial and Retrieve Park
> Visual voice mail
> Anonymous call, anonymous call rejection

Directory
> Blacklist
> XML/LDAP remote phonebook
> Call history: dialed/received/missed

Display and Indicator
> 2.7″ 192×64-pixel graphical LCD with backlight
> LED for call and message waiting indication
> Notification Light: voicemail and missed call is signaled via display and illuminated power indicator
> Dual-color (red or green) illuminated LEDs for line status information
> Multilingual user interface

Feature keys
> 6 line keys with LED
> 6 line keys can be programmed up to 15 paperless DSS keys (3-page view)
> 5 features keys: message, headset, mute and redial.

hands-free speakerphone
> 4 context-sensitive “soft” keys
> 6 navigation keys
> 2 volume control keys
> Illuminated mute key
> Illuminated headset key
> Illuminated hands-free speakerphone key

Interface
> 2 x RJ45 10/100M Ethernet ports
> Power over Ethernet (IEEE 802.3af), Class 2
> 1 x USB port (2.0 compliant, connected to DD10K)
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port