Greece voice guidelines
Voice calling guidelines for Greece (GR), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | Greece |
| ISO code | GR |
| Region | Europe |
| Dialing code | +30 |
Reachability
Greece supports inbound and outbound calling for domestic, international, and toll-free number types. No outbound restrictions or regulatory barriers have been identified for this locale.
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | Supported | Supported |
Caller ID
Caller ID format varies by call type and direction. Note that some outbound formats are non-guaranteed, meaning the delivered caller ID may be subject to carrier handling.
| Call type | Direction | Format |
|---|---|---|
| Domestic | Inbound | +E.164 |
| Domestic | Outbound | Local format (non-guaranteed) |
| International | Inbound | +E.164 (non-guaranteed) |
| International | Outbound | +E.164 |
| Toll-free | Inbound | +E.164 |
| Toll-free | Outbound | Local format (non-guaranteed) |
DTMF support
DTMF (Dual-Tone Multi-Frequency) signaling uses RFC 2833 format and is supported in both inbound and outbound call directions.
Emergency services
Calling emergency services in Greece is not supported. Do not rely on voice calling for emergency 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 Greece.