• 3 Soft Keys to give access to common telephony features, automatically labelled from the system
• 5 Fixed Feature & Navigation Keys: On/Off
• Hook, Redial, Mute and Volume Up & Down
• 5 Menu and Navigation keys
• POE - Power Over Ethernet
• 12 key telephone Keypad
• Graphical display (248 x 68 pixels)
• Full Duplex Ethernet connectivity with Auto-negotiation, 802.3 Flow Control, VLAN support
• G.711, G.729A Voice Coders
• QoS Options of Diffserv and 802.1p/q
• Support for Simple Network Management Protocol (SNMP) version 2
• DHCP client and Statically (Manual) Configurable IP Addressing
• Downloadable Software for future upgrade capability
• Icon button labelling with English printing on the housing
• 5 Personalized Ring Patterns code

The Polycom Avaya 4690 IP Speakerphone provides the convenience and productivity benefits inherent in a purpose-built hands-free conference phone. The Polycom Avaya  IP4690 also delivers the extensive set of Avaya Communication Manager features directly to the conference room. The Polycom Avaya  4690 IP offers many of the same features as other Polycom Avaya  Speakerphones (360 degree coverage, two optional extended microphones for expanded coverage, full-duplex operation) and adds to them some additional capabilities. These include downloadable software upgrades and simplified wiring to IP network via Ethernet LAN connectivity