# Inbound routing with Bird Voice

## A customer calls.  Your route answers.

Change the number’s route to see where the call goes.

Number routing Harbor Voice
SIP trunkVerified forwardingReject

Incoming call +31 20 555 0188 Route to your support team
Bird number
Amsterdam trunk Inbound enabled · gateway configured
pbx.harbor.example

### Delivered to the phone system

Your PBX decides who answers.

[Explore incoming calls](/docs/guides/voice/receiving-calls)
Interactive illustration with fictional records. No account operation is performed.

[Explore Voice incoming calls →](/docs/guides/voice/receiving-calls)

[SIP trunking Connect your phone system to the telephone network. →](/voice-api/features/sip-trunking)

[Call sequences Give callers a clear path to the answer they need. →](/voice-api/features/call-sequences)

[Call logs Understand how a call started, connected and ended. →](/docs/guides/voice/call-log)

[Explore Voice →](/voice-api)

## Scale without  losing control.

Organize teams in workspaces, control API access, and trace changes through audit logs.

Harbor Organization
Workspaces Production Sandbox

### Delivery agent

API key · Customer operations team
Active
Permissions Access
Email Read & write
SMS Read & write
WhatsApp Read Read & write
AL Alex Lee Admin  Permissions updated

### Audit log

Production
 API key updated Alex Lee · 09:42:18 UTC

Workspace
Production

Resource
Delivery agent

WhatsApp
Read Read & write

Succeeded

 [Workspaces](/docs/guides/workspaces)[Team roles](/docs/guides/users-teams-roles)[API authentication](/docs/guides/authentication)
[Explore Enterprise](/enterprise)

## Start with Voice. Build across channels with Bird.

[Get started](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Fvoice%2Fonboarding) · [Contact Sales](/demo?product=voice)

[Email](/email-api) · [SMS](/sms-api) · [WhatsApp](/whatsapp-api) · [Apple Messages](/apple-messages-api) · [Voice](/voice-api)



## Related resources

- [Voice overview](/docs/guides/voice/overview) (docs)
- [What is a voice API?](/explained/voice/what-is-a-voice-api) (answer)

[Get an implementation brief](/learn/workspace?topic=voice)