[SR-Users] Addressing a distinct PSI result is: 555 AS Contacting Failed - iFC terminated dialog

[Valentin Christoph]

Hi all,

I'm trying to send a call to an AS via a kamailio S-CSCF (release 4.4.3). I'm addressing the AS by a distinct PSI: sip:04325432101 at domain.net;user=gsmr.

At the first try the S-CSCF sends a SAR to HSS and receives a successful SAA (tshark traces attached), but the S-CSCF rejects the call with 555 AS Contacting Failed - iFC terminated dialog.

At the second try (a few seconds later), the S-CSCF doesn't exchange  SAR/SAA with the HSS, and now the call is successfully forwarded to the AS.

This problem is permanent, it is not the result of a temporary loss of connectivity between S-CSCF and AS.

I checked the iFCs that I had configured at the HSS and I think, they are OK.

I attached

-        tshark traces from the node, where the S-CSCF resides: 2016_09_19_error_555_17_scscf_filtered.pcap

-        WITH_DEBUG logs from kamailio: 2016_09_19_error_555_17_kamailio_1st_try.log

-        A tarball of /usr/local/etc/kamailio: 2016_09_19_error_555_17_kamailio.tar.gz

Can anybody help? Is it a bug in kamailio or is the problem on my side?

Thanks,
Christoph



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