Microsoft Skype for Business/Lync Edition VVX 410 12-Line Desktop Phone with HD Voice, GigE and Polycom UCS SfB/Lync License (Ships Without Power Supply)
Display
Type :LCD display - color
Display Location : Base
Diagonal Size : 3.5"
Display Resolution : 320 x 240 pixels
Backlit : Yes
Phone Features
VoIP Services : Skype
Call Services : Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
Key Expansion Module Max Qty : 3
Dialer Location : Base
Conference Call Capability : 3-way
Speakerphone : Yes
Programmable Buttons Qty : 12
Additional Functions : Call timer, Web browser
IP Telephony
Main Features : Multiple VoIP protocol support, integrated Ethernet switch
VoIP : Yes
VoIP Protocols : SIP, RTCP, RTP, SRTP, SDP
Voice Codecs : G.722, G.729ab, G.711u, G.711a, iLBC, G.722.1, G.722.1c
Lines Supported : 12 lines
Quality of Service : IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)
IP Address Assignment : DHCP, static
Security : IEEE 802.1X, TLS
Power Over Ethernet (PoE) Support : YES