On 02/24/2018 02:44 AM, [email protected] wrote: > hello ,i'm Chinese ,today i use linephone to test, but it always is > busy ,How to solve this thank you First, try to call an echo test service. E.g.
"Echo Test" <sip:[email protected]> or "Ekiga Echo Test" <sip:[email protected]> Second, in China I understand you have IPv6. You can connect directly to another sip user without need of a centralized service: "Your Friend" <sip:username@[2001:db8::1234:5678]> Firewall will of course need to allow 5060 and the RTP ports you configured.
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