@cadnet Wrote: i need to use voip ata-112 for voice ip
Please, are you referring to a Cisco SPA112 2-Port Phone Adapter Here?
If so, I have had my ATA connected to Cable Internet, and now Telus fibre for the better part of a decade with very little problem at all.
You may want to have a look at the following configuration settings to see if there maybe something that has been missed...
Obviously, anything that must be specifically used for your VoIP provider such as Username, Password, Domain names etc. must be set with your provider information.
https://www.callcentric.com/support/device/linksys/pap2
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