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    Pfsense and Asterisk….one-way audio problem with SIP

    Firewalling
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    • B
      bmacauley
      last edited by

      The bug is unrelated and affects Asterisk 1.2.2 only

      http://bugs.digium.com/view.php?id=6349

      Thanks,
      Brian

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      • S
        schlouf
        last edited by

        Brian,

        I had the same issues with my SPA-3000, siproxd solves the problem but you have to declare it as an outbound proxy in you configuration. The problem I had some time ago was with the fact that I couldn't declare an outboud proxy (gateway functions of the SPA-3000 don't allow you to do so) and this was solved by the static port option. I don't know Asterisk at all, but the mechanisms should be about the same…

        BTW, the siproxd package works well, the only thing that is not OK is that you have to manually adjust the outgoing interface in the config file if you are on DSL.

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        • B
          bmacauley
          last edited by

          Great info, thanks!!

          That confirms my thoughts. There are 2 solutions to the SIP 'one-way audio' problem…

          (1)  Use static port(s) on the firewall ...available in versions higher than v1.0 beta1

          (2)  Use Siproxd as an outbound proxy

          My next questions are...

          How do you configure static port ranges, as opposed to singular ports? ie 10000-20000 which is the standard RTP range in Asterisk

          How did you install and configure Siproxd on PFsense? In the current version(v1.0 beta 1) of Pfsense the package install system isn't working for Siproxd. Does Siproxd install correctly on v1.0 beta2 or did you manaually install it?

          Thanks,
          Brian

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          • S
            schlouf
            last edited by

            Brian,

            I opened the port range in 'Rules'. My SPA-3000 uses 16384-16482 as RTP range and this is what I configured in siproxd.

            Unfortunately, I have no idea how installation of siproxd goes in the current version. As of now, I  am using 1.0-PREBETA2-BUG-VALIDATION-EDITION2, but my siproxd is installed from 0.7x. If the siproxd install is broken in the current version, I guess you could always install an earlier version an put a PREBETA2 on top of it. My siproxd never ceased to function throughout the numerous upgrades. Someone else in the forum might have a better advice…

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            • H
              hoba
              last edited by

              Package install should work again with the latest snapshot: http://pfsense.com/~sullrich/1.0-BETA1-TESTING-SNAPSHOT-1-29-06/
              Give it a try.

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              • B
                bmacauley
                last edited by

                Thanks for that….I'll give it a go

                Brian

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                • K
                  kcallis
                  last edited by

                  Not so much a solution as opposed to a question. I am running Asterisk as well, soon to be 1.2.2. I persuaded my provider to switch to pfsense, strictly to make use of siproxd (actually, he allowed me to install because I thought it was good for the client… Of course, my agenda was to get my sip working properly!  ;)).

                  I have several providers, that are SIP based, although I do shoot for IAX2 only. The question is, how do I get asterisk and siproxd to play together? Any pointers would be greatly appreciated!

                  K.

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                  • H
                    hoba
                    last edited by

                    Did you already try to get it working following the siproxd docs http://siproxd.sourceforge.net/index.php?op=odoc ? Chapter 6.5 seems to be what you are looking for. If you get it working we would be happy to get some documentation on the process at http://doc.pfsense.org/index.php/Chapter_8:_Packages  ;D

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                    • B
                      bmacauley
                      last edited by

                      I'm currently testing with…
                      http://pfsense.com/~sullrich/1.0-BETA1-TESTING-SNAPSHOT-1-29-06/

                      The first step of the process is to install the Pfsense siproxd packageand this seems to install correctly in the above version.

                      I'll let you know how I get on with siproxd and Asterisk as I progress

                      Thanks,
                      Brian

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                      • B
                        bmacauley
                        last edited by

                        I've been continuing to test this Pfsense build with siproxd and asterisk.

                        My finding are as follows…

                        (1) Siproxd

                        I've made several observations while trying to set up siproxd
                        (a)  When configuring the interfaces for siproxd using the configuration option, the display does not seem to hold my choices. On further investigation(downloaded the XML config) my settings do seem to be recorded, although there are multiple repeats due to my attempts to make the settings display

                        (b) I'm not really sure how to set up firewall rules on Pfsense to redirect any traffic on port 5060 within the DMZ to siproxd.

                        The siproxd guide details an example for linux iptables...
                        http://siproxd.sourceforge.net/index.php?op=odoc
                        What is the equivalent for pf and pfsense?

                        To summarize....no success with siproxd as yet

                        (2) Static ports

                        As an alternative to siproxd, I thought I'd try the new static ports option .

                        This fixes the 'one-way audio' problem on SIP. I now have audio both in and out using a SIP voip provider.
                        I've tested this with Broadvoice, Sipgate and Gossiptel.

                        My config in the advanced outbound NAT screen was as follows…

                        Iface    Src                  Src prt  Dest  Dest Prt  NAT Add  NAT Prt  Stat Port  Desc

                        WAN    192.168.10.0/24    *        *          *                  *                  *                YES            DMZ->WAN

                        Can anyone help with the firewall rules for Siproxd?

                        Thanks,
                        Brian

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                        • K
                          kcallis
                          last edited by

                          I did not get things working with siproxd and asterisk. Maybe I am feeling slow to day, but I am not getting it. Where should my asterisk box be pointing. I have a connection with iconnecthere and sipphone, and fortunately these are my only 2 SIP based providers. So what I need to do to the asterisk side so I can route my SIP accounts through siproxd on the pfsense box?

                          K

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