I found the solutions! looks like is a provider issue, between your hommy IP and Rohan Providers. For me RDS & RCS create same issue ( 3901 ) but Orange connection work.
Looks like Providers Peering Issue
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I found the solutions! looks like is a provider issue, between your hommy IP and Rohan Providers. For me RDS & RCS create same issue ( 3901 ) but Orange connection work.
Looks like Providers Peering Issue