Sorry guys, I seem not to understand well: How can I configure sems with both a private and a public ip? Can I set sip_ip option multiple times and ,consequently, is there an option in sbc app to declare which of the above ip's the B-leg calls should be outgoing to?
On Thu, May 16, 2013 at 12:35 PM, Emil Kroymann <[email protected]>wrote: > Hi, > > as Rafael pointed out, you can configure SEMS with both a private and a > public IP. So if you're concerned with the processing power required in > Kamailio, this would be the way to go. (Although I doubt that Kamailio > would be your bottleneck). > > Regards, > Emil > > Am Thu, 16 May 2013 12:26:14 +0300 > schrieb Vassilis Radis <[email protected]>: > > > Hi emil, > > > > Thanks for the clarification. > > Although it may be stupid I got to ask: This will double the traffic > > and processing done by kamailio , just because SEMS can't be > > configured with separate/independent UAS / UAC sockets? I dont mean > > to be provocative, I am just thinking loudly. It is an SBC. I would > > expect a totally separate "leg" in each side of the "border"... > > Anyway thanks, I guess I ll drop the private listening address and > > make it listen on the public interface. > > > > Bill. > > > > > > On Thu, May 16, 2013 at 12:04 PM, Emil Kroymann > > <[email protected]>wrote: > > > > > Re-Hi, > > > > > > Am Thu, 16 May 2013 10:58:19 +0200 > > > schrieb Emil Kroymann <[email protected]>: > > > > > > > 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. > > > > > > To expand a bit: SEMS does symmetric SIP. That is, it uses the same > > > port (and hence socket) for receiving SIP messages and for sending > > > SIP messages. I think, what you should do, is have SEMS route > > > outgoing SIP messages back to your kamailio instance which can then > > > forward them to the right destination. > > > > > > Regards, > > > Emil > > > > > > > > > > > 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 > > > > > > > > > > -- > 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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