– Support of a single line or directory number
– Calling name and number display
– Call waiting
– Call forward
– Call transfer
– Support of Extension Mobility
– Three-way calling (conference)
– On-hook dialing, predialing, and off-hook dialing
– Redial
– Call hold
– Call monitor
– Cisco Discovery Protocol
– Automatic IEEE 802.1Q (voice virtual LAN [VVLAN]) configuration
– IEEE 802.1Q /p VLAN tagging and traffic prioritization
– 802.1Q VLAN-based switching of traffic between the phone and access switch
– Differentiated Services Code Point (DSCP) tagging
– G.711a, G.711u, and G.729ab audiocompression coders-decoders (codecs)
– Integrated Ethernet switch
– 10/100BASE-T Ethernet connection through an RJ-45 interface for LAN connectivity
– Software upgrade supported using a Trivial File Transfer Protocol (TFTP) server
– Provisioning of network parameters through Dynamic Host Configuration Protocol (DHCP)
– Voice activity detection, silence suppression, comfort-noise generation, and error concealment
– Dimensions : 20.3 x 17.67 x 15.2 cm
– Weight: 0.9 kg