Norway voice guidelines
Voice calling guidelines for Norway (NO), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | Norway |
| ISO code | NO |
| Region | Europe |
| Dialing code | +47 |
Reachability
Norway supports inbound and outbound calls across domestic, international, and toll-free number types.
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | Supported | Supported |
Caller ID
Caller ID format varies by call direction and number type.
| Call type | Inbound format | Outbound format |
|---|---|---|
| Domestic | +E.164 | Local (non-guaranteed) |
| International | +E.164 (non-guaranteed) | +E.164 |
| Toll-free | +E.164 | Local (non-guaranteed) |
Outbound caller ID for domestic and toll-free calls is presented in local format but is not guaranteed by the carrier network.
DTMF support
DTMF signaling uses RFC 2833 format and is supported for both inbound and outbound calls.
Emergency services
Outbound calls to Norwegian emergency services numbers (112, 113, 110) are not supported. Do not rely on cloud-based voice services for emergency calling in Norway.
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 Norway.