Here you can find additional support guides and information.


Additional Reference: 

  • To disable SIP ALG from the Thompson modem: 
  • To disable SIP ALG from the Thompson you will need to telnet to the device and enter the command.


  1. Firstly you need to enable windows telnet if not already enabled. Go to the control panel -> programs -> turn windows features on or off.
  2. Scroll down to ‘Telnet Client’ and ensure the box is ticked.
  3. Next open windows command line – start – run – cmd –enter
  4. Type telnet default username is ‘Administrator’, and there is no default password so leave the field blank (case sensitive).
  5. Type ‘connection unbind application=SIP port=5060′ and press Enter
  6. Then type ‘saveall’


  • Setting up and pairing bluetooth on your Cisco SPA 525G phone.