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China SIP Trunk: Private SIP vs Public SIP

In China, China goverment local service provider will provider SIP Trunk with 2 types which is Private and Public



Private SIP Trunk is more secure because connection is internal



Public SIP is easy to use because through internet

Private SIP Trunk vs Public SIP Trunk

Private SIP Trunk

Cloud SIP Trunk

China Service Provider China Telecom, China Unicom, China Mobile China Telecom, China Unicom, China Mobile
Installtion address same city office address as the number applyment Not need
Server IP format 191.1.x.x Internal IP 47.100.x.x Internet IP
Connection Physical fiber lines Connection to local office SIP credentials
IP to IP Connection
CTS China VOIP Consulting

Focus helping customer using VOIP phone system in china

CTS China VOIP Consulting

CTS China VOIP Consulting

China Shanghai Local, China Beijing Local, Support China Mainland

Room 215 Building 4,Focus Innovation Park ,No. 3599 Yuanjiang Road, Minhang District, Shanghai

Shanghai, China , 200000


walter.wang@ciucts.com


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