Finland voice guidelines
Voice calling guidelines for Finland (FI), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | Finland |
| ISO code | FI |
| Region | Europe |
| Dialing code | +358 |
Reachability
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | Supported | Supported |
Caller ID
All call types use E.164 format for caller ID presentation.
| Call type | Caller ID format | Notes |
|---|---|---|
| Domestic inbound | +E.164 | — |
| Domestic outbound | +E.164 | — |
| International inbound | +E.164 | Non-guaranteed delivery |
| International outbound | +E.164 | Guaranteed delivery |
| Toll-free inbound | +E.164 | — |
| Toll-free outbound | +E.164 | — |
DTMF support
DTMF signaling uses RFC 2833 format and is supported for both inbound and outbound calls.
Emergency services
Calling emergency services in Finland is not supported. Calls to emergency numbers cannot be placed through carrier-routed cloud telephony in Finland.
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 Finland.