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Thomson TG587n - Disable SIP ALG

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If you are using a Windows based PC:

  1. Click “Start” then “Run” and enter cmd and push the enter key
  2. In the command window enter “telnet 10.0.0.138″ (NB: Change 10.0.0.138 to your internal router IP), If you get a command unknown then you will need to activate the Telnet client, Click here to view the instructions
  3. In the username field enter Administrator and push enter, for the password box push enter
  4. Type connection unbind application=SIP port=5060 and push Enter
  5. Type saveall and push Enter
  6. Type exit and push Enter
  7. Now reboot your VoIP phones and they should register with SIP ALG interfering with the registration.
If you are using a Mac:

  1. Click the Finder icon, then select Applications, then Utilities and double click Terminal
  2. In the command window enter “telnet 10.0.0.138″ (NB: Change 10.0.0.138 to your internal router IP)
  3. In the username field enter Administrator and push enter, for the password box push enter
  4. Type connection unbind application=SIP port=5060 and push Enter
  5. Type saveall and push Enter
  6. Type exit and push Enter
  7. Now reboot your VoIP phones and they should register with SIP ALG interfering with the registration.