Protocols: DHCP VLAN discovery; LLDP-MED for VLAN discovery; FTP/TFTP/HTTP/HTTPS server-based central provisioning; Hardware diagnostics; Manual or dynamic host configuration protocol (DHCP) network setup; Network address translation support for static configuration and Keep-Alive; QoS Support — IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DHCP; Status and statistics reporting; Syslog Event Logging; Conforms to IEEE802.3-2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3-2002 (Clause 28) for link partner auto negotiation; Time and date synchronization using SNTP; RTCP and RTP support; IPv4; IPv6; Provisioning and call server redundancy support; DNS-SRV; UDP; SIP protocol support; IETF SIP (RFC 3261 and companion RFCs)
Additional Features: Feature keys:
40 multifunctional line keys configurable as line registration, call appearance, speed dial, DSS, or BLF
Dual-color (red or green) illuminated LEDs for line status information
Compatible Polycom VVX business media phone models:
Polycom VVX 300/310
Polycom VVX 400/410
Polycom VVX 500
Polycom VVX 600
Communication with host phone and/or other modules:
2 auxiliary ports over (RJ-11)
Expandability:
Up to three VVX Expansion Modules can be attached to any VVX phone
Feature support:
Additional line registrations (up to 34 total)
Shared call appearance, bridged line appearance (Key system emulation)
Call transfer
Busy lamp field
Speed dial
Fully programmable line appearances
Power:
Provided by Polycom VVX host phone
Host phone powering options: IEEE 802.3(af/at) PoE or using a compatible external AC adapter
Powering starts automatically up...