Description in English:
Expansion Module 7903X is a multi-functional IP phone expansion module. With a single Expansion Module 7903X, IP Phone 7950 is able to provide additional 40 programmable buttons and optimize viewing through the 5-inch color LCD screen. Expansion Module 7903X enhances the users experience of IP Phone 7950.

• True-color 5-inch screen with 480 x 800 pixels (high resolution), 16 million colors
• Twenty programmable buttons with dual-color red and green LEDs, signal different line states and provide several functions, including speed dial, Busy Lamp Field (BLF), contact group, XML application, phone lock, phone sleep, call forward, pickup, group pickup, call park, and Do-Not-Disturb (DND)
• Two page buttons with monochrome LEDs provide access to an additional 20 programmable buttons (for a total of 40 buttons)
• Several function icons display, including phone lock, phone sleep, XML application, and contact group
• Profile picture display for contacts