8440
8441
PHYSICAL CHARACTERISTICS
• 240×320 resolution
• 65,000 color palette
• Push-to-Talk
• Five-way navigation and select control
• Up/Down volume control
• Start and End Keys
• Panic/Duress
• Standard – Up to 8 hrs talk time, 80hrs standby time
• Enhanced – Up to 12 hrs talk time, 120hrs standby time
• Out of coverage
• Phone ringing
• Ingress protection standard: IP 64 per IEC 60529
• Rubberized molding
• Magnesium LCD mounting
• Weight 5.1 oz (144.6 gr.)
• 2.5mm connector
• Bluetooth
• Storage temperature: -22º – 140º F ( -30º – 60º C) QOS
• Wi-Fi standard QoS; including WMM, WMM Power Save, and WMM Admission Control
• IEEE 802.1p/Q tagging (VLAN)/DSCP tagging
WIRELESS NETWORKING
• 2.4 and 5 GHz (802.11n)
• Class 1 support with a range of ~10meters
• Call Hold/Resume function
• Last Call Return
• Music on Hold
• Consultation Hold
• Call Transfer (Attended, Unattended)
• Overlap dialling
• Bridged Line Appearance (BLA)
• Find-Me call forking
• Call Screening (Incoming, Outgoing)
• Automatic Answer
• Programmable Buttons
• Over-the-air configuration settings and updates
• Call Park & Retrieve
• Group Call Pickup
• Multiple Calls per Line
• Do Not Disturb
• Calling party ID (Name and Number)
• Called party ID (Name and Number)
• Connected party ID (Name and Number)
• Call Forward (Busy, No Answer, Unconditional)
• Call Reject
• One-to-one, one-to-many broadcast communication
• Priority, default channel
• Call server redundancy
• Recent call lists