Coming soon
Connect your numbers to your voice agent
Coming soon. Leave your email and we will let you know as soon as it is ready.
SIP trunks for ElevenLabs, Retell, Vapi, LiveKit or your own PBX: inbound and outbound calls on your numbers, encrypted by default and with no per-channel fees.
{
"number": "+44 20 0000 0000",
"target": "sip:agent@voice.acme.com"
}{
"id": "trk_7d1",
"domain": "acme.sip.usecrier.com",
"status": "active"
}200 OK
Works with
Up and running in three steps
- 1
Pick a number
Or use one you already have with us.
- 2
Create the trunk
We give you the SIP domain and credentials.
- 3
Connect it
In your voice platform or PBX.
Everything it includes
Click what interests you most and we'll prioritise you when we open it.
For agents
Ask your agent
Everything the API does is available on our MCP server. Your agent prepares it, you approve it and we run it.
› Connect the support number to our Retell voice agent.
- Creates the trunk
- Gives you the details
- Tests a call
⏸ Waiting for your approval…
Frequently asked questions
Is there a fee per concurrent call?
No, only the minutes by country.
Start today with a single integration
Reserve your spot in early access. Your first two accounts are free forever.