Thank you both - (TouchToneTommy & TheSmash) entering the number even though it wasn't used got rid of the error message and incoming and outgoing calls coming loud and clear - cheers
I need help configuring SIP trunks on an Avaya IP office v8. I have received some settings from Gamma for the service but our telephone line provider cannot help to configure the Avaya IP Office. Does anyone have sample configuration you can share that is similar to my scenario below
Sonicwall...
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