These can be a real hurdle when setting up VoIP, help others by posting your configs, tips and tricks or simply ask others for help if you're stuck.
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By GoofyCyborg
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Speedtouch 546, 585, 780
Many Speedtouch routers by default have a setting called SIP ALG turned on - This causes problems for most VoIP devices.

To turn off SIP ALG on the Speedtouch routers please follow the following instructions...

Be* There Speedtouch Router
Firstly you need to change the password from the default one - login to the web interface (You can access it here with username 'Administrator' and no password.

Click on [ Administrator ] at the top left - you can then change the password in the pop-up window. Save this change.

Note: you cannot get into the web interface of the Speedtouch once it has a password using 'Internet Explorer' - You'll need to use another browser.

Next open a Command Prompt window, e.g:
  • Start --> Run --> type 'cmd' into this box --> Press Enter
  1. At the prompt, type 'telnet' followed by the ip address of the SpeedTouch (default is
  2. Login using Administrator and the password you set before.
  3. Type: connection unbind application=SIP port=5060
  4. And then type: saveall
  5. Finally type: exit
02 Speedtouch Router
O2 Speedtouch Routers default Username/Password:

Username: SuperUser
Password: O2Br0ad64nd

Are you using Vista or Windows 7?
Unfortunately Windows Vista and Windows 7 does not have telnet installed by default, here's how to install it:
  1. Click Start then select Control Panel.
  2. Select Programs and Features.
  3. Select Turn Windows features on or off.
  4. Select the Telnet Client option.
  5. Click OK.

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