specification for the CCL 312B EPABX System, which is commonly used in small-to-medium enterprises, clinics, hotels, educational institutions, and other organizations that need reliable internal and external telecommunication.
✅ CCL 312B EPABX System – Technical Specifications
| Feature | Details |
|---|---|
| Model | CCL 312B |
| Type | EPABX (Electronic Private Automatic Branch Exchange) |
| Trunk Line Capacity | 3 Trunk Lines (CO Lines – PSTN) |
| Extension Line Capacity | 12 Extensions |
| Power Supply | 220V AC ±10%, 50Hz |
| Power Consumption | Typically less than 20W |
| Trunk Interface | 2-wire analog PSTN trunk lines (RJ11 connectors) |
| Extension Interface | 2-wire analog extension lines (RJ11 connectors) |
✅ Key Features of CCL 312B
| Functionality | Description |
|---|---|
| Intercom Calling | Free internal communication between 12 extensions |
| Call Transfer | Transfer external or intercom calls to any extension |
| Call Hold with Music | Place an external call on hold with music (built-in or external input option) |
| Call Pick-Up | Answer a call ringing on another extension |
| Parallel Ringing | Incoming trunk calls can ring multiple extensions at once |
| Hotline/Direct Line | Auto-dial pre-programmed extension numbers without dialing |
| Conference Calling | 3-party conferencing (1 external + 2 internal, or all internal participants) |
| Do Not Disturb (DND) | Temporarily block incoming calls on any extension |
| Caller Line Identification (CLI) | CLI support (optional, requires compatible phones and hardware) |
| Call Restrictions | Outgoing call restrictions (Local/STD/ISD bar) by extension |
| Remote Programming | Program the system via any DTMF telephone from the master extension |
| Power Fail Transfer | Direct connection of 1 CO line to a predefined extension in case of power failure |
| Trunk Hunting | Automatic trunk line selection for outgoing calls |
✅ Physical & Environmental Specifications
| Parameter | Details |
|---|---|
| Installation | Wall mountable or desktop setup |
| Cabinet Material | ABS Plastic or Metal Enclosure (varies by production batch) |
| Operating Temperature | 0°C to 50°C |
| Humidity Range | 10% to 90% (Non-condensing) |
✅ Connectivity & Ports
| Port Type | Details |
|---|---|
| CO Line Inputs | 3 RJ11 ports for trunk line connections |
| Extension Outputs | 12 RJ11 ports for analog telephone instruments |
| Music Input (MOH) | Port for connecting external music sources for Music-on-Hold |
✅ Applications
- Small & Medium Businesses (SMEs)
- Clinics / Healthcare Facilities
- Hotels / Guest Houses
- Educational Institutions
- Apartments / Housing Complexes
- Shops & Showrooms
✅ Programming & Configuration
| Programming Access | Through the master extension (usually Extension 1) | | Programming Method | DTMF-based programming via tone dialing telephone | | Configurable Features | Hotline, DND, Call Barring, Extension Numbering, Call Forwarding |
✅ Optional / Advanced Features (Depending on Model)
- Auto-Attendant / IVR: Automated greetings and routing of incoming calls (optional on some versions)
- Battery Backup Support: Optional external battery for power backup during outages
- Call Logging / CDR: Basic call detail records (optional in some models)
- CLI Memory: Stores incoming caller ID information (if CLI-enabled extensions are used)
🚀 Summary
The CCL 312 EPABX System is designed to handle 3 CO lines and 12 internal extensions, offering robust and essential communication features suitable for various professional environments. It is known for its ease of installation, user-friendly programming, and reliable operation.
