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Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
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Avaya 9504 Digital Deskphone Key Features

Connectivity

• Avaya IP Office Release 7.0 or later 

Hardware Specs

• Charcoal gray
• Handset with 9-ft cord
• Dual-position stand
• Wall-mountable
• White backlit graphical display 181 x 56 dots; 4 rows x 32 characters;
• Permanently-labeled buttons: Speaker, Headset, Mute, Volume, Avaya Menu, Phone, History, Contacts, Voicemail Message
• Permanently-labeled navigation cluster (Up/Down, Left/Right, OK)
• Message Waiting indicator
• 4 administrable buttons
• 4 contextual softkey buttons
• Headset support
• Two-way speakerphone
• 2 wired line interface

Size and Weight

• Length (depth) in low position: 8.07in (205mm)
• Width: 8.03in (204mm)
• Height off desk in low position/high position: 6.34in (161mm) / 7.91in (201mm)
• Weight including handset and stand: 2.0 lbs (926g) 

Software

• Call control protocol: DCP
• Codec: G711
• Secondary line alerting

Platform Support

• Avaya IP Office
• Native support on IP Office Release 7.0
• Full access to IP Office call appearances and features
• Line appearance/feature key buttons: 4 x 3 levels
• Contacts application: 100
• Call Log application, with Missed/Answered/Outgoing calls: 30
• User option for language selection