China voice guidelines
Voice calling guidelines for China (CN), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | China |
| ISO code | CN |
| Region | Asia-Pacific |
| Dialing code | +86 |
Reachability
All voice calling capabilities to mainland China are restricted. No inbound or outbound calls are supported for any number type.
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Not supported | Not supported |
| International | Not supported | Not supported |
| Toll-free | Not supported | Not supported |
Outbound calls to mainland China are not supported under any configuration or conditions.
Caller ID
Caller ID formatting is not applicable for China because no active calling services are available for this locale.
DTMF support
DTMF support is not applicable for China because no active calling services are available for this locale.
Emergency services
Calls to emergency services numbers in China are not supported.
Compliance note
These guidelines summarize carrier requirements at the time of publication and do not constitute legal counsel. Verify that your implementation complies with all applicable telecommunications regulations in China.