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VoiceLink — Telephony Core: WebRTC, SIP/PSTN, IVR, Recording & Transcripts | Velaxe

VoiceLink

Connect a SIP trunk (Twilio, Telnyx, Plivo, Vonage)

Add your carrier, verify callbacks, and place your first inbound/outbound call.

20 min Beginner Voice/Network Engineer, IT Admin Updated Sep 19, 2025
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SIP trunk setup screen
Add a trunk & verify callbacks

Overview

Add your carrier, verify callbacks, and place your first inbound/outbound call.

Prerequisites

  • Carrier account with an active number or origination route
  • Public HTTPS callback URL reachable by the carrier

Permissions required

telephony:configure numbers:manage

Downloads & Templates

Sample SIP signaling IPs list

Spec

Steps (4)

Estimated: 20 min
  1. 1

    Add trunk provider

    Admin 5 min Back to top

    Go to Settings → Telephony → Trunks → **Add Provider**. Choose Twilio/Telnyx/Plivo/Vonage and paste credentials (SID/Token or API key).

    Tips

    —

    Validation

    • Credentials saved and connection test returns 200 OK.

    Success criteria

    —

  2. 2

    Configure webhooks / SIP domain

    Voice Engineer 6 min Back to top

    In your carrier console, set Voice webhook/ingress SIP domain to the callback URL shown in VoiceLink. Enable TLS where available.

    Tips

    • Allowlist our signaling IPs and pin TLS ciphers if your carrier supports it.

    Validation

    —

    Success criteria

    —

  3. 3

    Assign numbers to routing entrypoints

    Admin 4 min Back to top

    Numbers → Assign → pick **Main IVR** or **Queue** as the destination. Save.

    Tips

    —

    Validation

    —

    Success criteria

    • Test inbound call hits your selected entrypoint.
  4. 4

    Verify outbound

    Agent/IT 5 min Back to top

    From Agent Desk callbar, place a test call. Confirm CLI and audio path are correct.

    Tips

    —

    Validation

    —

    Success criteria

    —

About this guide

VoiceLink is the reliable voice layer for Velaxe. Spin up a WebRTC softphone, connect SIP/PSTN trunks, configure IVR and skills routing, and record calls with PCI pause/resume and redaction. Transcribe audio with leading STT engines and surface key phrases, sentiment, and dispositions.

Agents work calls inside Agent Desk with screen-pop, notes, and wrap-up codes. Automate escalations and callbacks via FlowForge, store recordings in SecureStore with region pinning, and analyze service levels and MOS quality in InsightLake.

Built for compliance, performance, and scale—STIR/SHAKEN, consent prompts, granular retention, and Prometheus-friendly /metrics out of the box.