Answered question

How Can we change firewall rule for a Cisco VOIP Phone to work ?

I borrowed an IP Phone from my office. It work for me with another Internet provider.
For my coworker using fizz, the same Cisco IP Phone can't get it's path out. default rules with sip looks ok.
What do I need to look out for to make this work?



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Hi Gaston

Try disabling SIP ALG on the modem settings to see if it helps.
Go to (user: cusadmin and your wifi password)
Basic menu >> Gateway Function

You can also contact Fizz customer support by chat at any time 24/7:
1- Connect to your Fizz account by clicking « Login » in the top right corner at
2- Any ad blockers in your browser should be disabled.
3- Click on one of the help links from the Solution Hub, like this one:
4- The green chat bubble should appear after a few seconds in the bottom right corner.

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