Display
• 160 x 320 pixel grayscale graphical LCD

Feature Keys
• 14 multifunctional line keys automatically configurable as a line registration, call appearance, speed dial, DSS, or BLF1 key
• Dual-color (red or green) illuminated LEDs for line status information

Protocol Support
• IETF SIP (see the SoundPoint IP 601 data sheet for details)

Compatible SoundPoint IP Models
• SoundPoint IP 601

Connection with the Host Phone
• IrDA Protocol
- Compliant to Serial Infrared Physical Layer Link SIR data rate (115.2kbits/s)
- Activated upon attachment to host SoundPoint IP phone

Power
• The Expansion Module is powered by the host phone
- Host phone powering options: IEEE 802.3af PoE or through an external AC adapter (24V DC @ 500mA minimum)
• Powering starts automatically upon connection
• No additional power source is required

Expandability
• Up to 3 Expansion Modules can be attached to the host SoundPoint IP 601 phone to provide a high-performance attendant console with 48 multifunctional line keys and 4 high-resolution LCD displays

Feature Support
• Local feature-rich GUI with animation
• Shared call appearance, bridged line appearance (Key System emulation)
• Multiple call appearances
• Flexible line appearance (requires SIP 1.5.x or later)
• Multilingual user interface (driven from the host SoundPoint IP 601 phone)

SoundPoint IP Expansion Module Comes With:
• SoundPoint IP Expansion Module console
• SoundPoint IP Expansion Module base stand
• Quick Start Guide
• Product registration card
Size
• 5 in x 5 in x 6.5 in x 2.5 in (12.5 cm x 12.5 cm x 16 cm x 6 cm) (W x H x D x T)
Weight
• Shipping: 1.30 lb (0.6kg)