SCCP protocol

Holger Hans Peter Freyther holger at
Wed Aug 25 09:26:01 UTC 2010

On 08/25/2010 04:51 PM, mosbah abdelkader wrote:
> Is the SCCP protocol implementation complete in the OpenBSC project? And, what
> is the protocol used under it (MTP3?)?

It is not complete. It can do UDT, Connection Handling (Request, Confirm,
Refuse, Released, Release Complete), send DT1 and and the IT message..

It can be wrapped into the IPA protocol, or into MTPLevel3. The SCCP
repository also contains the code to the SLTM/SLTA and the reset handling for

More information about the OpenBSC mailing list