Asterisk Click to Call support

Browser Extension

Asterisk Click to Call by First Base Employment

Turn phone numbers on web pages into one-click calls through your Asterisk PBX. Fast, simple, and built for teams who live in the browser.

Features

Auto-detects phone numbers and highlights them.
One-click dial via your Asterisk PBX.
Configurable number patterns and prefixes.
Lightweight (Manifest V3), no trackers, no ads.

Requirements

Asterisk PBX reachable from your network (LAN/VPN).
Chrome/Edge (MV3) or Firefox (current ESR+).
Your Asterisk extension/credentials.

Quick start

Install the extension for your browser.
Open Options and enter your Asterisk details:
- PBX Host (e.g. pbx.example.local:8088)
- Protocol (e.g. ARI/HTTP or your signalling method)
- Extension (e.g. 201) and any auth tokens
Save and highlight, right-click any detected number to dial.

Permissions & security

Host access to detect numbers on pages.
Declarative Net Request to route signalling safely.
Storage to keep your settings locally.

No analytics, no tracking, no data sent.

Troubleshooting

Not clickable? Refresh the page; check site allowlist.
Call fails? Verify PBX host/port, creds, and network reachability.
Wrong prefix? Adjust default country code in Options.

Need help? russell.hay@first-base.co.uk

Admin / IT: managed deploy

{
  "ExtensionSettings": {
    "YOUR_EXTENSION_ID": {
      "installation_mode": "force_installed",
      "update_url": "https://clients2.google.com/service/update2/crx",
      "settings": { "pbxHost": "pbx.example.local:8088", "ext": "201", "countryPrefix": "+44" }
    }
  }
}

Firefox: use policies.json with Extensions / ExtensionSettings.

Changelog

1.0.1 — Initial public release (Chrome/Edge/Firefox).
1.0.2 – 13 Nov 25, updated to address new Chrome restrictions.