Zoiper is not authenticate the SIP TCP using ACT Network

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I started to use Zoiper with ACT network for 3 months it worked fine. For the past 4 months, the Zopier "SIP TCP" is not found while using the ACT network. I need a solution to fix this issue.

asked Jan 31, 2022 in Windows by Jagadishfounders (120 points)  

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