SIP Trunking

SIP trunking built for voice AI.

Connect LiveKit, your PBX or any SIP stack to the Indian phone network. Create trunks in minutes, lock them with credentials and IP access lists, set channel limits, or bring your own carrier.

Scroll to open the stack05 / 05
  • Your SIP stackLiveKit, Asterisk, FreeSWITCH or your PBX
  • Channel limitsCap concurrency per trunk
  • Credentials + IP ACLLock trunks to credentials and IP ranges
  • Carrier or BYOCUse TryVox routes or bring your carrier
  • Phone networkThe public phone network

Your voice stack speaks SIP. The phone network should too.

TryVox trunks connect LiveKit, Asterisk or your PBX to Indian numbers with credentials, IP allow-lists and channel limits.

Bring your own carrier or use ours, and get the same call events either way.

SIP trunks›New trunk
Nametrunk-prod
DirectionInbound + outbound
Domaintrunk.tryvox.io

Create

A production trunk in one form.

Name it, choose inbound, outbound or both, and point your SIP client at it. Works with LiveKit, Asterisk, FreeSWITCH or any standards-based stack.

  • Inbound and outbound on one trunk
  • Create from the dashboard or the API
  • Works with any SIP client
trunk-prod›Security
agent-prodCredential
203.0.113.0/28Allowed
198.51.100.4Allowed
Everything elseDenied

Secure

Only the traffic you trust.

Lock every trunk with SIP credentials, IP access lists, or both, and rotate credentials without downtime.

  • Credentials per trunk
  • IP allow-lists
  • Rotate without dropping calls
Routing›BYOCHealthy
  • Your carrier · SIP
  • TryVox routing and call events
  • Your agent or PBX

Scale or BYOC

Set the capacity. Keep your carrier.

Choose how many concurrent calls each trunk carries. Already have a carrier? Bring Your Own Carrier keeps your routes and rates while TryVox handles routing and events.

  • Channel limits per trunk
  • Bring Your Own Carrier
  • Same call events on every route
SIP Trunking›OverviewLive
DirectionsInbound + outbound
SecurityCredentials + IP ACL
CarrierTryVox or BYOC

Results

Trunks your agents can rely on.

One trunk carries both, so routing stays simple. Start with ours or keep the routes you already have.

  • Directions: Inbound + outbound
  • Security: Credentials + IP ACL
  • Carrier: TryVox or BYOC

✓0/4 checks · India-ready

Compliance

Compliance and control, built in.

India’s telecom rules are part of the product, not a project you run on the side.

Business KYCDLT-ready SMSConsent recordsVerified caller IDs

Integrations

Connect with everything you already run.

Your agent platform, your voice stack and your channels, on one phone layer.

Vapi
Retell AI
LiveKit
Bolna
ElevenLabs
Deepgram
Amazon Polly
Asterisk
FreeSWITCH
Any SIP PBX
WhatsApp
DLT SMS
Toll-free
Local numbers
SIP trunks
Webhooks
VoxML
REST API
Recordings
Signed callbacks

FAQ

Questions teams ask first.

What is SIP trunking?

A SIP trunk carries phone calls over the internet between the public phone network and your systems, such as a voice agent, LiveKit or a PBX.

Can I use TryVox SIP trunks with LiveKit?

Yes. Point LiveKit or any standards-based SIP client at your TryVox trunk domain with your credentials.

How do I stop unauthorised use of my trunk?

Use SIP credentials, IP access lists, or both. Rotate credentials any time.

How many concurrent calls can a trunk carry?

You set a channel limit per trunk. Talk to us if you need more capacity.

Can I bring my own carrier?

Yes. Bring Your Own Carrier keeps your routes and rates while you use TryVox routing and call events on top.