Вы хотите спросить о SiemensOptiset E Advance

The Optiset E Advance is a feature-packed comfort telephone for all Siemens Hicom and HiPath telephone systems.

• 12 function keys with LED
• 3 dialog keys
• open listening function
• Pivoting 2 line display
• 2 adapter slots
• Connection for up to 4 Optiset E Key Modules
• Suitable for Hicom 100E, 150E, 300 / E, HiPath 33xx, 35xx, 37xx. 4000