I get so much ISUP decoding errors like this: Jan 16 09:51:46 NOTICE[8793]: l4isup.c:4060 l4isup_event: ISUP decoding error, message discarded. (typ=47) Does anybody know what that means? Software: Asterisk 1.2.14 with chan_ss7-0.9 Thanks a lot for your help Nico