Configuring Online Voice Routing
The M365 default Onboarding script creates a default Online Voice Routing 'Unrestricted' and default Voice Route 'Unrestricted' 
| 1. | In the Service portal Navigation pane, select Configuration > Online Voice Routing. | 
                                                
                                            
The Online Voice Routing screen allows you to define Customer M365 Tenant Voice Routing policies:
| ● | Voice Routing Policies (see Voice Routing Policy) | 
| ● | Voice Route (see Voice Route) | 
| ● | PSTN Usage (see PSTN Usage) | 
| ● | PSTN Gateways (see PSTN Gateways) | 
| ● | Normalization Rule Template (see Microsoft 365 Dial Plan and Normalization Rules) | 
| ● | Dial Plan (see Microsoft 365 Dial Plan and Normalization Rules) |