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SIP Register Failed

 Last week we had a lightning storm which electrocuted our WIFI modem. After the modem was replaced and reinstalled our SIP phone was active.


Over the past 2 days, it has read "Sip Register Failed". [We are using an ADSL line if that's of import].


What can I do?

1 Comment

Please check on the new router is there is a setting called SIP ALG, if so please disable this. Could you also please tell me which ISP you are with and which router you are using, some ISP's you have to have SIP ALG enabled but then you need to use the SIP server address slightly differently. I can advise a bit better once I have more information.

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