Hi, I am using kamailio IMS - 5.3.4 when I am making a call between two clients using zoiper , Call establishment is done successfully .

But during BYE packet sent from caller to callee , it is reaching till S-CSCF and giving 403 Domain not served .. Kindly help me in this regard.

I have sent lot of mails regarding this error and no replies .. Kindly help ..

Error in scscf : Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: DEBUG: <core> [core/mem/q_malloc.c:526]: qm_free(): freeing frag. 0x7fa1e6945ca8 alloc'ed from core: core/rvalue.c: rval_new_empty(224) Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: DEBUG: <core> [core/socket_info.c:628]: grep_sock_info(): checking if host==us: 10==11 && [*10.45.5.22] == [10.45.4.181]* Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: DEBUG: <core> [core/socket_info.c:635]: grep_sock_info(): *checking if port 4080 (advertise 0) matches port 40629* Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: DEBUG: <core> [core/forward.c:412]: *check_self(): host != me* Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: ERROR: <script>: sip:alice at sip.example.com Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: ERROR: <script>:* Domain not served 403* Jun 19 13:29:17 ubuntu-VirtualBox kamailio[21891]: ERROR: <script>: BYE ( sip:bob@sip.example.com (10.45.4.177:4060) to sip:alice@sip.example.com;transport=TCP, y-B071ZDjFS-z4NLxREyVw..)

Kindly help .. 10.45.5.22 - sip client alice@sip.example.com 10.45.4.181 - scscf

please help..