# PhoneCallProtocol

Phone call protocol

```tl
phoneCallProtocol#fc878fc8 flags:# udp_p2p:flags.0?true udp_reflector:flags.1?true min_layer:int max_layer:int library_versions:Vector<string> = PhoneCallProtocol;
```

### Constructors

| Constructor | Description |
| --- | --- |
| [phoneCallProtocol](/constructor/phoneCallProtocol.md) | Protocol info for the VoIP library, see [here »](/api/calls.md#populating-phonecallprotocol) for details on how to populate it