Вы хотите спросить о SiemensS30810-Q2225-X SLMAE

The SLMAE board (Subscriber Line Module Analog Enhanced) offers 24 analog a/b interfaces. It replaces the SLMAC and SLMA2 boards. The code receiver made available to every a/b interface allows the full accessibilty of all connected devices. The board generates its own ringtone and does not require an external ringtone generator.