Avaya J139 Features 2.8” (diagonal) color display - 320 x 240 pixels Multi-line IP phone 4 line-feature keys with dual LEDs (red/green) 4 context sensitive soft keys Supports SIP-AST for enhanced features and integration on Avaya Aura Supports “CCMS over SIP” for enhanced features and integration on IP Office Supported on selected 3rd-party Open SIP call platforms Wideband audio in handset and headset Integrated RJ9 headset port with Electronic Hook Switch (EHS) Built in volume boost control in handset for hearing impaired Mute key with mute alerting Dual 10/100/1000 Gigabit Ethernet ports to support co-located PC Supports up to three JBM24 expansion modules Power over Ethernet Class 1 and support for 802.3az Powered via Power over Ethernet (PoE) or optional PoE injector (sold separately; see drop down option above) Compatibility Avaya Aura Platform 6.3 FP4 Avaya IP Office 11.0 Avaya Approved Third Party Platforms.

2.8" (Diagonal) Color Display

Multi-line phone with 4 red / green line / feature indictors

SIP Software Protocal

4 Softkeys

Wideband audio for handset and wired headset

Full Duplex Speakerphone

Gigabit Ethernet 10/100/1000 line interface

2nd Gigabit Ethernet interface

Dual position desk stand, optional wall mount stand

PoE Class (IEEE 802.3af) registers as class 1 device and supports 802.3az

Optional AC to 5 volt adapter