Secure Asterisk DISA example with PIN checking, source restrictions, caller ID controls, toll-fraud warnings, and safer alternatives.
Full Asterisk auto attendant example with greeting playback, digit collection, timeout handling, invalid input, operator transfer, and after-hours rou...
Complete Asterisk ConfBridge example with confbridge.conf bridge, user, and menu profiles, dialplan entry points, admin controls, and recording.
Route inbound calls to a live queue during business hours and to an after-hours message outside of them, using GotoIfTime() with no external scripting...
Ring all group members simultaneously and route to a shared voicemail mailbox if nobody answers. Covers DIALSTATUS handling, CANCEL guard, shared mail...
Auto-attendant that replays the menu on invalid input or silence, and hangs up gracefully after three failed attempts.
Dialplan extension that plays random Asterisk sound files in an infinite loop. Useful for load testing, demo systems, and verifying audio paths.
Dialplan extension that lets you record IVR prompts by calling in, listen to the recording, and re-record if needed. No file uploads or command line r...
Collect caller-entered digits with Read() for PIN verification, extension lookup, account numbers, and any numeric IVR input.
Replace Asterisk's self-signed PJSIP TLS certificate with a trusted Let's Encrypt cert, using a certbot deploy hook to keep it renewed automatically.
Play a custom audio greeting if the file exists on disk, falling back to built-in Asterisk prompts without any dialplan changes.
Simple auto-attendant using Background() and WaitExten() to play a greeting and route callers to different contexts by keypress.
Tiered after-hours routing: play a custom greeting using STAT() file checks, ring desk phones, escalate to cell phones via Local channels, then fall t...
Route incoming calls to different contexts based on time of day, day of week, and fixed holidays using GotoIfTime.
Generate Asterisk audio prompts from text using Google's gTTS Python library -- convert text to WAV files suitable for Playback() and Background().
Node.js application using ari-client to connect to Asterisk ARI, subscribe to channel events, and control the call lifecycle (ring, answer, play, hang...
Send incoming call notifications to a Slack channel via webhook, with FILTER() to prevent shell injection from caller ID data.
Enable the Asterisk REST Interface (ARI), configure HTTP and WebSocket access, and hand channels to a Stasis application for external control.
Look up caller names (CNAM) from an external HTTP service using a PHP AGI script -- normalize inbound numbers, query a CNAM provider, and set the call...
Configure the Asterisk Manager Interface (AMI) for remote control and monitoring -- TCP-based client/server access to originate calls, check status, a...
Generate a private CA and self-signed TLS certificates for PJSIP and WebRTC using Asterisk's built-in ast_tls_cert script, including client certificat...
Complete WebRTC configuration using res_pjsip -- WSS transport, DTLS/SRTP media encryption, HTTP server with TLS, and module loading for browser-based...
Restrict SIP registration and call traffic to trusted IP ranges using PJSIP ACLs, blocking scanners and brute-force attacks before authentication is a...
Practical reference for core voicemail.conf settings, mailbox syntax, recording formats, email delivery, PIN policy, retention, and storage backends.
Enable video calling in Asterisk -- configure video codecs (H.264, VP8, VP9) on PJSIP endpoints, set up video for WebRTC clients, and control codec ne...
PJSIP configuration with template inheritance for endpoints, multi-transport setup, and SIP trunk registration.
Complete PJSIP SIP trunk setup with all five required objects: auth, registration, endpoint, AOR, and identify. Covers outbound caller ID, codec selec...
Configure Music on Hold classes in musiconhold.conf -- set up custom hold music directories, per-context MOH, and per-endpoint MOH assignment.
Configure ConfBridge user profiles, bridge profiles, and DTMF menus in confbridge.conf -- control participant behavior, room settings, recording, and ...
Organize large Asterisk dialplans into modular files using #include -- separate phone definitions, services, routing, and Class of Service into mainta...