The Polycom VVX 411 is the expandable color business media phone that delivers crystal-clear communications, enhanced collaboration and personal productivity for today's office workers and call attendants. 

Features 
Additional Functions : Call timer, Web browser 
Call Services : Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Voice Mail 
Hearing Aid Compatible : Yes 
Key Expansion Module Max Qty : 3 
Programmable Buttons Qty : 12 
Speakerphone : Yes 
Service & Support 
Type : 1 year warranty 

CE Cables (Details) 
Type : Network cable 

Dimensions & Weight (Base) 
Depth : 7.1 in 
Height : 5.9 in 
Weight : 31.7 oz 
Width : 7.5 in 

Dimensions & Weight (Shipping) 
Shipping Weight : 3.1 lbs 

Display 
Backlit : Yes 
Color Support : Color 
Diagonal Size : 3.5 in 
Diagonal Size (metric) : 8.9 cm 
Display Location : Base 
Display Resolution : 320 x 240 pixels 
Type : LCD display 

Header 
Brand : Polycom 
Manufacturer : Polycom 
Model : 411 
Packaged Quantity : 1 
Product Line : Polycom VVX 

IP Telephony 
Compatible Software : Microsoft Lync Server 2010, Microsoft Lync Server 2013 
IP Address Assignment : DHCP, Static 
Lines Supported : 12 lines 
Main Features : Integrated Ethernet switch, Multiple VoIP protocol support 
Network Features : Class 3 PoE, Network Address Translation (NAT) 
Network Ports Qty : 2 x Ethernet 10Base-T/100Base-TX/1000Base-T 
Network Protocols : DNS, HTTP, HTTPS, IP, Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP, SNTP, SRTP, TCP, TFTP, UDP 
Power Over Ethernet (PoE) Support : Yes 
Quality of Service : IEEE 802.1p, IEEE 802.1Q (VLAN), Type of Service (ToS) 
Security : IEEE 802.1X, TLS 
Voice Codecs : G.711a, G.711u, G.722, G.722.1, G.722.1c, G.729ab, iLBC 
Voice Features : Acoustic echo cancellation (AEC), Comfort noise generation (CNG), HD Voice, Packet loss concealment (PLC), Voice activity detection (VAD) 
VoIP : Yes 
VoIP Protocols : RTCP, RTP, SDP, SIP, SRTP 

Miscellaneous 
Color Category : Black 
Phone Connections 
Connector Type : RJ-9 
Type : Headset jack 
Type : USB 

Service 
Support Details Full Contract Period : 1 year 
Support Details Type : Limited warranty 

Telephone 
Conference Call Capability : 3-way 
Dialer Location : Base 
Type : VoIP phone