Your question about Siemens S30810-Q2225-X SLMAE

The SLMAE board (Subscriber Line Module Analog Enhanced) offers 24 analog a/b interfaces. It replaces the SLMAC (S30810-Q2191-C) and SLMA2 (S30810-Q2246-X) 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.