Hi, The Invalid Argument error usually results when trying to send to a non local address from a socket that is listening on 127.0.0.1.
Regards, Emil Am Wed, 15 May 2013 18:53:08 +0300 schrieb Vassilis Radis <[email protected]>: > Hello , I ve setup my sems on the same box with a kamailio. > > Kamailio is bound to the public IP and SEMS to 127.0.0.1 > I am only using SBC profile. In sems.conf I have > > sip_ip: 127.0.0.1:5757 > media_ip: <public_ip_of_the_box> > > and next_hops and outbound_proxy are not set. > > A call comes from outside into kamailio which sends it to sems for > SBCing. Sems decides the next hop by looking into application > parameter headers that are set by kamailio. > Communication between kamailio and sems is fine. The problem is that > SEMS cannot send its initial INVITE to outside world: In the debug > messages it reports that it checks the DNS of the next_hop, it calls > send_to and then send_to function returns "Invalid argument" which > causes SEMS to report a 400 Bad request back to Kamailio: > > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [send_request, > trans_layer.cpp:980] DEBUG: Sending to x.x.x.x:5060 <INVITE > sip:[email protected]:...> > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [send, > transport.cpp:109] DEBUG: send msg > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [send, > transport.cpp:125] ERROR: sendto: Invalid argument > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [send_request, > trans_layer.cpp:988] ERROR: Error from transport layer > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [sendRequest, > AmSipDialog.cpp:1135] ERROR: Could not send request: method=INVITE; > call-id=2CCEB7CF-5193AD9700045DF0-B5CFEB40; cseq=10 > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [onB2BEvent, > AmB2BSession.cpp:1254] DEBUG: sending INVITE failed, relaying back > error reply > May 15 18:45:27 sip2 sems[26168]: [#b5dffb40] [onB2BEvent, > AmB2BSession.cpp:1259] DEBUG: relaying B2B SIP reply 400 Bad Request > > Any ideas? > > Thanks a lot, > Bill -- Emil Kroymann VoIP Services Engineer Email: [email protected] Tel: +49-30-203899885 Mobile: +49-151-62820588 ISACO GmbH Kurfürstenstraße 79 10787 Berlin Germany Amtsgericht Charlottenburg, HRB 112464B Geschäftsführer: Daniel Frommherz
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