Navigation

    Netgate Discussion Forum
    • Register
    • Login
    • Search
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search

    pfsense breaking VoIP setup. Outgoing works, incoming is does not.

    General pfSense Questions
    4
    7
    245
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • T
      tgimagine last edited by

      I am running VoIP in a small business with 3 phones(phone numbers) behind one public IP address. They are all on port 5060. ALL outbound calls work with no issue. The only issues are inbound. Only one phone works with inbound calls at any one time. And it switches around. It seems random which phone is currently working.

      Some of the guides contain issues for the following that I am NOT having. I am NOT having issues with outbound calls or one way audio. Any assistance would be highly appreciated!

      I also have disabled NAT scrubbing, via documentation, and this did not resolve my issue.

      KOM bingo600 NollipfSense T 4 Replies Last reply Reply Quote 0
      • KOM
        KOM @tgimagine last edited by KOM

        @tgimagine What model of phone? Is it possible that the phones are not keeping their connections alive, and so incoming traffic from your trunk provider is being blocked? Check your WAN firewall log and see if you're getting a lot of blocked traffic from your trunk provider. That would explain why outgoing works without any audio issues, but incoming is random. Incoming calls to a specific phone would only work if an outgoing call had been made on that phone before the phone expired its connection.

        When you find that a phone isn't receiving calls, check the states (Diagnostics - States), filter by that phone's IP address and see if it has any live states to your provider.

        1 Reply Last reply Reply Quote 0
        • bingo600
          bingo600 LAYER 8 @tgimagine last edited by

          @tgimagine

          Do you have your phones registered at an external or internal pbx ?

          If you find my answer useful - Please give the post a šŸ‘ - "thumbs up"

          pfSense+ 22.05 (ZFS)

          QOTOM-Q355G4 Quad Lan.
          CPUĀ  : Core i5 5250U, Ram : 8GB Kingston DDR3LV 1600
          LANĀ  : 4 x Intel 211, DiskĀ  : 250G EVO870 Sata SSD

          1 Reply Last reply Reply Quote 0
          • NollipfSense
            NollipfSense @tgimagine last edited by

            @tgimagine Are you running the phones through a DMZ? Using FreePBX?

            pfSense+ 22.01 Lenovo Thinkcentre M93P SFF Quadcore i7 Raid-ZFS 128GB-SSD 32GB-RAM PCI-dual Intel i350 NIC.

            T 1 Reply Last reply Reply Quote 0
            • T
              tgimagine @tgimagine last edited by

              So the phones worked just fine for years behind my old router, Netgear R7000, but I had to turn SIP ALG OFF. I am discovering that pfsense has no such option, and I do not think that I am configuring the outbound NAT rule correctly.

              KOM 1 Reply Last reply Reply Quote 0
              • T
                tgimagine @NollipfSense last edited by

                @nollipfsense No, they are just on the network with everything else.

                1 Reply Last reply Reply Quote 0
                • KOM
                  KOM @tgimagine last edited by

                  @tgimagine What do you have for an outbound NAT rule?

                  1 Reply Last reply Reply Quote 0
                  • First post
                    Last post