Communication Solutions
China SIP Trunk & Microsoft Teams Voice
Advisory, Setup & Troubleshoot — Delivered by CTS
CTS acts as the technical bridge between global enterprises and China's telecom operators. We handle the complex telecom licensing compliance, technical configuration, and ongoing troubleshooting, allowing you to focus on your core business.
China SIP Trunk
- Local Shanghai & nationwide number provisioning
- Full compliance with MIIT telecom licensing (B24)
- Clear data flow architecture & SBC deployment
- 100% legal and stable trunk lines via local carriers
Teams Direct Routing
- Enterprise-grade PSTN integration for Microsoft Teams
- SBC (Session Border Controller) at China edge
- Native caller ID display for Chinese end-users
- Setup & troubleshooting with English-speaking engineers

