-40%
Poly VVX250 4 Line IP Phone 2200-48820-025 PoE Open Box - Seller Refurbished
$ 57.55
- Description
- Size Guide
Description
Poly VVX250 4 Line IP Phone 2200-48820-025 PoE Open Box. Seller Refurbished Fully Tested• Four line keys with a 2.8 inch color LCD display (320 x 240 pixels)
• Crystal clear sound with Poly HD Voice and Poly Acoustic Clarity
• Full duplex speakerphone with world-class echo cancellation
• Easy to install anywhere with optional Poly Wi-Fi USB accessory
• Headset options to suit any style (USB, RJ9, EHS)
NETWORK AND PROVISIONING
• SIP protocol support
• SDP
• IETF SIP (RFC 3261 and companion RFCs)
• Two-port gigabit Ethernet switch 10/100/1000 Base-TX across LAN and PC ports
• Conforms to IEEE802.3-2005 (Clause 40) for physical media attachment
• Conforms to IEEE802.3-2002 (Clause 28) for link partner auto-negotiation
• Static or dynamic host configuration protocol (DHCP) network setup
• Time and date synchronization using SNTP
• TFTP/HTTP/HTTPS server-based central provisioning for mass deployments
• Call server redundancy supported
• QoS Support—IEEE 802.1p/Q tagging
• (VLAN), Layer 3 TOS, and DHCP
• DHCP VLAN discovery,
• LLDP-MED for VLAN discovery
• Network address translation support for static configuration and “Keep-Alive”
• RTCP and RTP support
• Event logging
• Syslog
• Hardware diagnostics
• Status and statistics reporting • IPv4
• TCP
• UDP
• DNS-SRV
POLY VVX 250 COMES WITH
• Console
• Desk stand/wall mount bracket
• Handset with handset cord
• Network (LAN) cable—CAT-5E
• Setup sheet