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China VOIP / SIP Trunk / SIP Trunking / SIP Provider / SIP Server / SIP Service

Focus on help enterprise using VOIP in China

SIP Trunking

It is the enterprise relay line business provided by China telecom business provider, providing the local voice service of global enterprises in China.


Customer setup SIP connection to China Cloud SIP Server with public IP,it is interconnected based on Internet IP addresses. Users only need to initiate a call request from a fixed IP to the SIP relay platform, and can use the assigned 8-digit fixed network number of the telecommunications company to call in or call out voice services to global regions through IPPBX or Cloud VOIP systems.

As a trusted SIP TRUNKing  solution provider in China


1.We need the customer’s Chinese company name, address, SIP relay/DID requirements, etc
2. China Telecom conducts preliminary review of information provided by customers
3. Wait for 1-2 weeks to pass the China Telecom audit
4. Continue to use all paper materials and images, and sign contracts directly with China Telecom China Telecom issues SIP relay in
5.3 weeks, and we configure it in the VOIP system
6. It takes 3 days to prepare for SIP relay to customers


Reasons for choosing us

  • We have been working in the VOIP field in China for over 8 years

  • We focus on providing services for foreign companies to conduct business in China

  • We have SIP relay and China telephone number resources from all China Telecom, China Unicom, China Mobile, and broadcasting operators

  • We have a lot of experience using SIP and China VOIP system scenarios