跟我前一阵遇到的问题一样。见内

来源: 于 2017-12-08 15:05:15 [旧帖] [给我悄悄话] 本文已被阅读：次

Issues like this are usually related to NAT or firewall problems. Please review your network settings and make sure you do not have "SIP ALG" turned on on your router. 

我进router把“SIP ALG” enable就可以了。