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Since agc_vicidial.php is not a core Vicidial file (it is likely a custom or proprietary add-on), this content is structured as a Technical Documentation & Implementation Guide based on common Vicidial architecture and API hooks.
vicidial.phpThe vicidial.php file is one of the most critical components in this directory. While Vicidial consists of hundreds of scripts, this specific file acts as a central processing hub.
agc vicidial.phpagc/README (included with source distribution).agc/vicidial.php is the core script for the Agent Control Graphical User Interface (GUI) in the VICIdial open-source contact center system. It serves as the primary interface where agents manage their daily calling activities, including logging in, receiving calls, and handling dispositions. Core Functionality
Agent Interaction: This is the live operational layer where agents spend their shifts. It provides tools for manual dialing, receiving auto-dialed or inbound calls, and recording management.
Login Flow: Accessing the script requires a two-step authentication process: agc vicidial.php
Phone Login/Password: Authenticates the physical or softphone associated with the session.
Agent User/Password: Authenticates the specific agent account and assigns them to a campaign.
Real-Time Data: The interface utilizes AJAX to communicate with the server, ensuring that lead information, call statuses, and scripts are updated without reloading the full page. Configuration and Customization AGC VICIdial PHP Setup & Agent Login Guide - KingAsterisk
The /agc/vicidial.php script serves as the primary, AJAX-driven interface for VICIdial call center agents, functioning as a real-time control center for telephony operations. Due to its public accessibility, this file is a major target for hackers, with recent vulnerabilities allowing for remote code execution, making security hardening essential. For a detailed breakdown of the agent login and control setup, see DialerKing. AGC Vicidial PHP Guide | Agent Login & Control Setup Since agc_vicidial
vicidial.phpIn the architecture of VICIDIAL, there was a problem to solve: How do you talk to the phone system (Asterisk) from a web page?
In the early days, developers used a protocol called AGI (Asterisk Gateway Interface). This was powerful, but it could be slow. Every time a call connected, a script had to run, check a database, and tell the server what to do. In a high-volume call center, speed is money. If the connection takes 200 milliseconds too long, the customer hangs up.
To solve this, the agi-bin directory was born. This was a special folder where scripts lived that could run instantly when the phone system triggered them.
Among the many scripts—agi-VDAD_fix_dnc.agi (for Do Not Call lists), agi-call_log.agi—there was one script that formed the beating heart of the operation: vicidial.php (often referred to in configuration files simply as AGI=vicidial.php). The Role of vicidial
VICIdial has a documented history of vulnerabilities in agc vicidial.php and related scripts:
agent parameter allowed unauthenticated attackers to inject SQL commands, potentially exposing call logs, agent credentials, and customer PII.session_name token could be guessed or reused, allowing an attacker to hijack an agent's session.agc vicidial.php handles data, related upload handlers can be exploited to gain RCE.By sniffing network traffic (on a non-HTTPS setup), an attacker extracts session_name and agent. They then replicate the POST request to change pause status, drop calls, or disposition leads fraudulently.
In many default or legacy installations, agc vicidial.php relies on:
pass parameter passed in cleartext (if HTTPS is not enforced).session_name derived from time or weak random seeds.DISPO or HANGUP.