用服务公司的SIP Server，例如Sipgate是sipgate.com

来源: 于 2011-04-23 05:30:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

rynga is sip.rynga.com

nonoh is sip.nonoh.net

callwithus is sip.callwithus.com

but sipgate is sipgate.com

ipkall only send call to you, so it does not have a sip server.