Poly VVX 450 Business SIP 12-lines VoIP phone - 2200-48840-025

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IP Telephony

Main Features	Integrated Ethernet switch
VoIP	Yes
VoIP Protocols	SIP, SDP
Voice Codecs	G.722, G.729ab, G.711u, G.711a, iLBC, G.722.1
Lines Supported	12 lines
Quality of Service	IEEE 802.1Q (VLAN), IEEE 802.1p, Diffserv per device (QoS)
IP Address Assignment	DHCP, static
Security	IEEE 802.1X, TLS
Power Over Ethernet (PoE) Support	Yes
Network Protocols	TCP, TFTP, UDP, HTTP, DNS, HTTPS, Link Layer Discovery Protocol (LLDP), RTCP, RTP, SNTP
Network Ports Qty	2 x Ethernet 10Base-T/100Base-TX
Voice Features	Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB)
Network Features	Lightweight Directory Access Protocol (LDAP)

Miscellaneous

Dimensions & Weight (Base)

Manufacturer Warranty

Service & Support

Limited warranty - 1 year

Conference Phone

Features

Acoustic Clarity Technology

General

Product Type	VoIP phone
Shipping Weight	2.3 lbs

Environmental Standards

ENERGY STAR Certified

Yes

Phone Features

Call Services	Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
Dialer Location	Base
Conference Call Capability	3-way
Speakerphone	Yes
Additional Functions	Call timer, HD Voice

Dimensions & Weight (Shipping)

Shipping Weight

2.3 lbs

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