IP Phone will not connect through the ER605

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IP Phone will not connect through the ER605

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20 Reply
Re:IP Phone will not connect through the ER605
2023-05-02 17:27:44

  @bm3 I am using ER8411 with Omada Controller.  State Time Outs are located under Network Security --> Firewall.  I put 3700 sec for almost all.   Typically disabling SIP ALG is the only thing you need to do.  Try a sip alg detector to confirm.   Ringlogix has a good tool.

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#12
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Re:IP Phone will not connect through the ER605
2023-05-02 17:47:42 - last edited 2023-05-02 17:48:14

  @bm3 

 

  

 

<< Paying it forward, one juicy problem at a time... >>
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#13
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Re:IP Phone will not connect through the ER605
2023-05-02 17:49:57

  @bm3 

 

Are you able to wireshark capture a phone trying to register with the SIP provider?  Would be interesting to see the packet flows...but if that's too much I think there are some good suggestions above.

<< Paying it forward, one juicy problem at a time... >>
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#14
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Re:IP Phone will not connect through the ER605
2023-05-02 18:16:27 - last edited 2023-05-02 18:17:22

I don't see these options on my ER605v2. The menu is different to your screenshot and I don't have State Timeouts anywhere in the interface, I've check every tab.

 

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#15
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Re:IP Phone will not connect through the ER605
2023-05-02 18:19:51

Here's my device's menu:

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#16
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Re:IP Phone will not connect through the ER605
2023-05-02 20:40:19

  @bm3 Check if your public IP was voip blacklisted.  Alot of attempts could cause this.  If so change your public ip.  test tool  (voipbl dot org)

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#17
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Re:IP Phone will not connect through the ER605
2023-05-02 22:17:27

  @smyles I checked and it says my IP address is not blacklisted. So it has to be a config setting on the router. I mean the issue literally started happening after the router was factory reset, so some config was obviously lost there. Unfortunately there is no way for me to get hold of the previous guy to ask him. :(

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#18
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Re:IP Phone will not connect through the ER605
2023-05-09 09:28:49

  @bm3 

 

Have you tried DMZ?

Just striving to develop myself while helping others.
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#19
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Re:IP Phone will not connect through the ER605
2023-05-09 17:54:48

  @Virgo Thank you for your reply. Yes I did try to configure my phone's IP in the DMZ, but still no luck.

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#20
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Re:IP Phone will not connect through the ER605
2023-05-30 18:03:42

Update: I put in another router in front of the ER605 which has only my IP phones and the ER605 connected to it. The phones now work fine, and I didn't have to reconfigure the rest of our LAN. So it's clearly something on the ER605 that was blocking the IP phone communication. I never did find out what. Also, the new router has SIP ALG enabled, and the IP phones worked fine with it on, so I didn't bother disabling it as was recommended by Yealink support and my IP phone service provider. I didn't have to do anything special on the new router - just plugged the phones in and they immediately connected.

 

Clearly this isn't the ideal solution, but I was out of ideas to try on the ER605 and needed our phones to work. There is obviously a problem on the ER605 that needs addressing. I hope they get it resolved.

As a side note, I may have updated the firmware on the ER605 when I reset it initially (don't remember). Perhaps the IP phones would have worked with an older firmware. Who knows.

 

Thanks to @d0ugmac1@smyles, and @Virgo for offering suggestions and trying to help!

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#21
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