South Africa voice guidelines
South Africa voice guidelines
Voice calling guidelines for South Africa (ZA), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | South Africa |
| ISO code | ZA |
| Region | Middle East and Africa |
| Dialing code | +27 |
Reachability
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | Supported | Supported |
Caller ID
| Call type | Direction | Format |
|---|---|---|
| Domestic | Inbound | +E.164 |
| Domestic | Outbound | Local (non-guaranteed) |
| International | Inbound | +E.164 (non-guaranteed) |
| International | Outbound | +E.164 |
| Toll-free | Inbound | +E.164 (non-guaranteed) |
| Toll-free | Outbound | Local (not guaranteed) |
DTMF support
DTMF tones use RFC 2833 format and are supported in both the inbound and outbound directions.
Emergency services
Calls to emergency services numbers in South Africa are not supported. Do not use voice calling for emergency service contact in this locale.
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 South Africa.