Implement Cell Broadcast Centre
- some kind of interface how SMS-CB can be configured (vty, database, or the like)
- 3GPP TS 48.049 (CBSP) over TCP towards BSCs
- 3GPP TS 25.419 (SABP) over TCP (Port 3452 according to TS 25.414) towards RNCs or OsmoHNBGW
However, as TS 23.041 states that the BSC-CBC interface in GSM is not standardized and hence TS 48.049 is not mandatory, we could actually avoid having to implement two protocols and simply use TS 25.419 for both the GSM and the UMTS case.