Detail overview
   Avaya - 1692 Ip Conference Phone Conference Voip Phone (700473689): 
 Key Features :  
  Call Services : Voice Mail, Caller Id, Call Transfer, Call Hold 
   Dialer Type : Keypad 
   Dialer Location : Base 
   Conference Call Capability : Yes 
   Speakerphone : Yes ( Digital Duplex ) 
   Menu Operation : Yes 
   Function Buttons : Mute Button, Redial Button 
   Volume Control : Yes 
   Ringer Control : Yes 
   Indicators : Visual Ringer Light, Hold Indicator 
   Firmware Upgradable : Yes 
   Additional Features : On-hook Dialing 
   Voice Codecs : G.711, G.722, G.729a, Siren 
   Quality Of Service : Ieee 802.1q (vlan), Differentiated Services (diffserv), Ieee 802.1p 
   Ip Address Assignment : Dhcp, Static 
   Power Over Ethernet (poe) Support : Yes 
   Network Protocols : Tftp, Http, Snmp 
   Network Ports Qty : 1 X Ethernet 10base-t/100base-tx 
   Type : Lcd Display - Monochrome 
   Display Location : Base 
   Line Qty : 5 
   Display Resolution : 255 X 128 Pixels 
   Backlit : Yes