China Telecom’s Enterprise SIP Trunk service provides global VOIP service for enterprises, who want to make full use of their PBXs and communicate with the outside world over IP. SIP Trunk service is based on an IP connection between enterprise IP-PBXs and China Telecom’s global network. Customers simply dial “a prefix number and phone number” to contact colleagues of branch offices or clients worldwide. No matter what fixed-network telecom operator you are using, you purchase the service that does not require any change.

China Telecom fully understands your needs. Apart from the top quality international communication service and 7×24 round-the-clock support, our dedicated and experienced technical professionals will support you throughout the provision and while it is up and running.

Save Cost

Eliminate the costs associated with PRI connnection.

Save the international long distance call cost at least 50% lower than the local carrier.

High quality

Utilize CTG global premium network dedicated for the enterprise customer’s communication

Bundled with IP Service, Easy to Use

SIP Trunk can be bundled with China Telecom’s DIA or MPLS VPN service as VAS.

Flexible capacity

Choose the capacity on your demand