Avaya 9608 IP Phone Features:

• 3.2" x 2.2" monochrome display
• 8 buttons with dual LEDs
• 4 softkeys
• Fixed features include phone, messages, contacts, history, home, headset, speaker, volume, mute
• 4-way navigation cluster
• Wideband audio
• Built-in full duplex speakerphone
• Dual message waiting indicators
• Volume, menu, message, speaker, headset, contacts, and call log buttons 
• Built-in two port Ethernet (10/100 Mbps) switch for connection to LAN and collocated PC
• Supports Bluetooth and DECT with optional adapter (sold separately)
• Supports up to three 12 or 24 button expansion modules
• Built-in headset interface

Avaya 9608 IP Phone Compatibility:

H.323 version supported by Avaya Communication Manager 3.1.4 or later and Avaya IP Office R8 or later

SIP version supported by Avaya Communication Manager 6.0 with Avaya Aura Session Manager 6.0 or Avaya Midsize Business Template 5.2.1

Powered via 802.3af PoE (Class 1) or local 1151 power supply which is NOT included.