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Why can't I connect to the SIP server?

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asked by about
edited by

When I type my user name and password it says "Unable to connect to SIP server".

2 Answers

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answered by (236k points)

Firstly, you'll have to make sure that the client isn't blocked in the Firewall. Locate your Firewall settings and add the application to the Exclusion list. In the Exclusion list you will see all the applications installed in your PC that are allowed to communicate with the online servers.

Also, their SIP server might be in maintenance mode, unavailable or simply discontinued. I've accessed the page of the Kall2Family and it appears that a generic IIS page is displayed instead of the actual website.

This could also indicate that the service you are trying to access is, like I said above, in maintenance mode or discontinued.

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answered by

i bought 2 kall 2 family calling card. 2019april last their software upgraded.its after ican't call through this card.why can't call through this card.nobody is answer to me

so give me answer

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