1. Scenario Overview
China Telecom offers Tianyi IoT and the SIM operations that go with it. The SimtoLink IoT Cloud Platform adapts the China Telecom southbound APIs and exposes the same northbound REST API and event model used for operator system integration, so devices and SIMs on the China Telecom network sit in the same operation as everything else.
Dedicated lines, VPDN, and IoT APNs are handled with APN and dedicated-line provisioning. The business request starts on the platform, and the technical steps stay aligned with China Telecom, so fewer teams have to chase the same order. A four-network operation adds China Mobile integration, China Unicom integration, and China Broadnet integration.
2. Core capabilities
APIs and protocols
Tianyi IoT APIs map onto the platform model. The China Telecom security baseline is supported: HTTPS, mutual certificate authentication, signatures, and timestamps. The platform keeps versions compatible and maps the fields, which shortens the joint test.
SIM lifecycle
Look up the record, change status (activate, suspend, resume, cancel), change the plan, and run a batch. Results come back asynchronously. The stages match SIM lifecycle. SIMs that fail can be exported and retried.
Usage and events
Usage is pulled on a schedule or pushed into the platform. Important status changes can be subscribed or polled. They feed usage alerts and usage statistics, so the billing figures use the same numbers.
APN and the network
APN and restricted-destination access follow China Telecom's tickets or provisioning APIs, within the contract. Together with APN and dedicated-line provisioning, the request starts on the platform, so the teams are not passing the same order by hand.
3. A path that usually works
Before the joint test, confirm whether China Telecom has you on production or test, and when the certificate expires. Prove activation and suspend and resume on a small batch before you turn on batch jobs and scheduled sync. After cutover, watch sync delay and how the error codes are distributed.
4. China Telecom inside multi-operator operations
After China Telecom integration, each SIM carries an operator label. Multi-operator management can set policy on the China Telecom pool alone, or report and apply risk rules together with the China Mobile and China Unicom pools. Batch jobs can sit in a queue per operator, so one operator's delay does not stall the others.
5. Where teams use it
- Government and public-safety devices: Agencies often require the service to ride on China Telecom. Tianyi IoT through SimtoLink handles network access and identity checks for public security and emergency use, including domestic-technology and compliance expectations, plus an audit of certificates and allowlists.
- Industrial gateways on a dedicated line: A factory gateway uses a China Telecom dedicated line and an APN so the data stays inside the campus. The platform manages the lifecycle and the data quota of the SIM bound to that gateway, which cuts the coordination between teams.
- An MVNO selling a white-label offer: An MVNO agent packages China Telecom IoT SIMs for smaller companies. The CMP holds the SIM pool and the bill reconciliation, so the offer can go to market without a private integration stack.
6. What the integration changes
You do not stand up a China Telecom protocol stack or a separate operations toolchain. The experience matches the rest of the CMP, including the open API and data reports. Logs and exports cover the audit trail government and enterprise buyers usually ask for. Tianyi IoT is widely used in government and industry, and it has policy backing in those sectors. Once it is on the platform, China Telecom SIMs share reports and risk rules with China Mobile and China Unicom SIMs, which is how a multi-network operation stays manageable. If you also use operator bill reconciliation, fix the reconciliation day and the way gaps are handled so the books stay accurate.