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    SIP ALG on TP-Link

    Scheduled Pinned Locked Moved IT Discussion
    sipvoipsip algtelephonytp-link
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    • scottalanmillerS
      scottalanmiller @travisdh1
      last edited by

      @travisdh1 said in SIP ALG on TP-Link:

      @scottalanmiller said in SIP ALG on TP-Link:

      @stacksofplates said in SIP ALG on TP-Link:

      telnet

      Holy crap

      Yeah, not the best hardware.

      Well, at least it's not giving the entire world access to the private VPN like a certain vendor announcement yesterday.

      Oh yeah, TP-Link is bad, but no one is saying it is like Cisco.

      1 Reply Last reply Reply Quote 1
      • dbeatoD
        dbeato
        last edited by

        Don’t you need to do that on Ubiquiti EdgeRouter as well?

        scottalanmillerS 1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller @dbeato
          last edited by

          @dbeato said in SIP ALG on TP-Link:

          Don’t you need to do that on Ubiquiti EdgeRouter as well?

          Yeah, but via the GUI or SSH, no need for telnet.

          0_1517466027134_DeepinScreenshot_select-area_20180201002012.png

          dbeatoD 1 Reply Last reply Reply Quote 0
          • dbeatoD
            dbeato @scottalanmiller
            last edited by

            @scottalanmiller said in SIP ALG on TP-Link:

            @dbeato said in SIP ALG on TP-Link:

            Don’t you need to do that on Ubiquiti EdgeRouter as well?

            Yeah, but via the GUI or SSH, no need for telnet.

            0_1517466027134_DeepinScreenshot_select-area_20180201002012.png

            Right, I saw that. The Cmd run screen on that KB is using Windows XP and then uses a CMD of Windows 7, very confusing

            1 Reply Last reply Reply Quote 0
            • K
              krisleslie
              last edited by

              @scottalanmiller here was the guide I was using after it came to my attention.

              Youtube Video

              1 Reply Last reply Reply Quote 0
              • K
                krisleslie
                last edited by

                Just FYI I'm using the EdgeRouter PoE v1.9.1 and when I disabled the ALG, all my phones quit working. Thank God for NTG & Scott we are back up and running but for the most part we turned ALG back on. I'm not 100% sure but it appears UBNT is the first vendor I've come across where ALG for SIP actually works. I've always used Linksys, DLink, Sonicwall etc and ALG/SIP is ALWAYS the first thing support wants you to disable.

                Has anyone ran across any issues with the Edge Router yet?

                JaredBuschJ 1 Reply Last reply Reply Quote 1
                • JaredBuschJ
                  JaredBusch
                  last edited by

                  config
                  set system conntrack modules sip disable
                  commit
                  save
                  exit
                  1 Reply Last reply Reply Quote 1
                  • JaredBuschJ
                    JaredBusch @krisleslie
                    last edited by

                    @krisleslie said in SIP ALG on TP-Link:

                    Just FYI I'm using the EdgeRouter PoE v1.9.1 and when I disabled the ALG, all my phones quit working. Thank God for NTG & Scott we are back up and running but for the most part we turned ALG back on. I'm not 100% sure but it appears UBNT is the first vendor I've come across where ALG for SIP actually works. I've always used Linksys, DLink, Sonicwall etc and ALG/SIP is ALWAYS the first thing support wants you to disable.

                    Has anyone ran across any issues with the Edge Router yet?

                    I always disable it.

                    You said it works. But did it really? or did it not jsut not break something?

                    I have 20 something EdgeRouters in the wild at clints and almos tall sites have SIP phones and I have this settign off.

                    K 1 Reply Last reply Reply Quote 0
                    • K
                      krisleslie @JaredBusch
                      last edited by

                      @jaredbusch said in SIP ALG on TP-Link:

                      You said it works. But did it really? or did it not jsut not break something?
                      I have 20 something EdgeRouters in the wild at clints and almos tall sites have SIP phones and I have this settign off

                      Great question.

                      I use Yealink phones. For the most part, Scott made sense in that STUN servers can be hit or miss at times. There have been times I can go register a phone without STUN enabled and it works, and randomly another phone may not be able to register until I enable it.

                      Today, I want to say 99% of every phone today at one office has it enabled and working and registered successfully. Again I'm not a VoIP Engineer, I've only had to be a guy to deploy it back in the day when I worked in telcos. So I've deployed phones, cabling, networks and done some of the config from a customer point of view but never from the NOC side.

                      I have sat with the engineers 1000's of times and at that time in my life I just knew VoIP worked. However after the last 3-5 years of dealing with VoIP/PBX I come to respect it more and more but I also come to scratch my head more and more when what logically shouldn't work, works 🙂

                      dbeatoD 1 Reply Last reply Reply Quote 0
                      • dbeatoD
                        dbeato @krisleslie
                        last edited by

                        @krisleslie said in SIP ALG on TP-Link:

                        @jaredbusch said in SIP ALG on TP-Link:

                        You said it works. But did it really? or did it not jsut not break something?
                        I have 20 something EdgeRouters in the wild at clints and almos tall sites have SIP phones and I have this settign off

                        Great question.

                        I use Yealink phones. For the most part, Scott made sense in that STUN servers can be hit or miss at times. There have been times I can go register a phone without STUN enabled and it works, and randomly another phone may not be able to register until I enable it.

                        Today, I want to say 99% of every phone today at one office has it enabled and working and registered successfully. Again I'm not a VoIP Engineer, I've only had to be a guy to deploy it back in the day when I worked in telcos. So I've deployed phones, cabling, networks and done some of the config from a customer point of view but never from the NOC side.

                        I have sat with the engineers 1000's of times and at that time in my life I just knew VoIP worked. However after the last 3-5 years of dealing with VoIP/PBX I come to respect it more and more but I also come to scratch my head more and more when what logically shouldn't work, works 🙂

                        All my systems have SIP ALG disabled and I don’t use STUn. SIP ALG needs to be disabled even for Obihai, Ooma and VOIP devices I know.

                        1 Reply Last reply Reply Quote 0
                        • K
                          krisleslie
                          last edited by

                          For another site I manage, I don't use stun and I also have ALG/SIP disabled on SonicWall but it is vlaned.

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