China SIP Trunk: Private SIP vs Public SIP

In China, local government telecom providers offer SIP trunks in two types: Private and Public.

In China, local government telecom providers offer SIP trunks in two types: Private and Public.

Private SIP Trunk is more secure because the connection is internal.

Public SIP is easy to use because it connects through the internet.

Private SIP Trunk vs Public SIP Trunk

Private SIP Trunk vs Public SIP Trunk comparison diagram showing internal connection vs internet-based connection in China

Private SIP Trunk vs Cloud SIP Trunk

Private SIP Trunk

Cloud SIP Trunk
China Service Provider China Telecom, China Unicom, China Mobile China Telecom, China Unicom, China Mobile
Installation address Same city office address as the number application Not required
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

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