The Crystal 414 EPABX system is a small to medium-sized Electronic Private Automatic Branch Exchange (EPABX) designed for internal communication within offices, businesses, or small organizations. It helps manage incoming and outgoing calls efficiently and provides intercom facilities between extensions without needing separate external phone lines.
Here’s a typical specification overview of the Crystal 414 EPABX system:
📞 System Overview
- Model: Crystal 414 EPABX
- Capacity: 4 Trunk Lines (CO Lines) and 14 Extensions
- Type: Analog EPABX
- Usage: Small offices, businesses, residential complexes, clinics, etc.
🔧 Technical Specifications
| Feature | Details |
|---|---|
| Trunk Lines | 4 Incoming / Outgoing Lines |
| Extensions | 14 Analog Extensions |
| Power Supply | 230V AC, 50 Hz |
| Battery Backup | Supports external battery backup (optional) |
| Technology | Analog Switching |
| Mounting | Wall-mountable or Tabletop |
✅ Key Features
- Intercom Calling between all extensions (free internal calls)
- Call Transfer (Attended/Unattended)
- Call Hold & Call Pickup
- Conference Calling (typically 3-party)
- Direct Outward Dialing (DOD) (controlled through programming)
- Call Forwarding (Busy/No Reply)
- Hotline / Auto Call
- Do Not Disturb (DND)
- Music on Hold (MOH) (internal music or external source)
- Extension Lock (to prevent misuse)
- Call Barring / Class of Service (COS)
- Power Failure Transfer (usually 1 or 2 extensions directly connected to a trunk in case of power failure)
- Auto Attendant (optional in some versions)
- Flexible Numbering Plan (subject to programming)
🛠️ Installation & Programming
- User-friendly programming via dedicated programming extension (usually Ext. 100/101)
- Programming through DTMF phone (using special codes)
- Simple wiring (uses standard 2-pair telephone cables for extensions)
⚙️ Optional Features (Depending on Model/Version)
- External Music on Hold Input
- Battery Backup Support (external 12V battery connection)
- Interfacing with PA system
- Door Lock Release Integration (in some models)
