Remote VoIP Phone Unifi Network
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 Also go into the Asterisk SIP Settings and ensure that NAT is enabled for chan_sipif you are using it.
  
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 @JaredBusch Yep, already set to that. 
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 And if the extensions are chan_sip, make sure the NAT is enabled there also. 
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 @NashBrydges - Silly question but is the handset plugged into the correct jack on the back of the phone? I can't remember if the handset and headset ports are similar on the T57W. 
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 @NashBrydges - just a couple other thoughts: Do either locations have a double nat? Who are the ISPs? Maybe something with the ISP provided hardware? 
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 @syko24 said in Remote VoIP Phone Unifi Network: @NashBrydges - Silly question but is the handset plugged into the correct jack on the back of the phone? I can't remember if the handset and headset ports are similar on the T57W. Yeah, the connections are good. 
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 @syko24 said in Remote VoIP Phone Unifi Network: @NashBrydges - just a couple other thoughts: Do either locations have a double nat? Who are the ISPs? Maybe something with the ISP provided hardware? Both locations use the same ISP and no double NAT either. 
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 willing to post pictures of your firewall configs? 
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 What are your routers? Ubiquiti? Can you disable SIP ALG on them? (sometimes called SIP transformation on other routers) 
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 @JasGot said in Remote VoIP Phone Unifi Network: What are your routers? Ubiquiti? Can you disable SIP ALG on them? (sometimes called SIP transformation on other routers) He mentioned CONNTRACK - I know that's on USGs.. not sure if it's called that on ER's? OK the ER does have CONNTRACK. 
 https://community.ui.com/questions/EdgeRouter-Infinity-conntrack-tuning/efc51d58-8464-41f5-b10e-f7d0fb10968b
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 @Dashrender said in Remote VoIP Phone Unifi Network: @JasGot said in Remote VoIP Phone Unifi Network: What are your routers? Ubiquiti? Can you disable SIP ALG on them? (sometimes called SIP transformation on other routers) He mentioned CONNTRACK - I know that's on USGs.. not sure if it's called that on ER's? OK the ER does have CONNTRACK. 
 https://community.ui.com/questions/EdgeRouter-Infinity-conntrack-tuning/efc51d58-8464-41f5-b10e-f7d0fb10968bAll routers have a conntrack table.. 


