Sure! Here’s a detailed specification of the Crystal EPABX 308 system, a popular PBX system from Crystal Communications, ideal for small businesses, offices, and homes.
The Crystal 308 EPABX is designed to handle 3 CO (trunk) lines and 8 extensions, making it a step up from the 108 model. It provides efficient call management and intercom capabilities in a compact and cost-effective unit.
🔧 Specifications of Crystal EPABX 308 System
| Feature | Details |
|---|---|
| Model Name | Crystal EPABX 308 |
| Trunk (CO) Lines | 3 Trunk Lines (External telephone line connections) |
| Extensions (Stations) | 8 Extensions (Internal phones for intercom and call transfer) |
| Caller ID (CLI) | CLI Supported (DTMF/FSK compatible on CO lines and extensions) |
| Power Supply | 230V AC, 50Hz (Input) with inbuilt SMPS (Switched-Mode Power Supply) |
| Power Consumption | Low, typically < 50W |
| Dialing Type | Supports Tone (DTMF) and Pulse dialing |
| Conference Facility | 3-Party Conference (1 CO + 2 Extensions or 3 Extensions) |
| Call Transfer | Supported (Attended & Unattended) |
| Call Forwarding | Available (Unconditional, On Busy, No Answer) |
| Do Not Disturb (DND) | Yes, per extension |
| Hotline Facility | Yes, programmable (Pick up and it dials automatically) |
| Music on Hold (MOH) | In-built or external music input option |
| Parallel Ringing | Yes (Multiple extensions can ring for incoming CO line calls) |
| Direct Inward System Access (DISA) | Available in some variants (Password-protected direct access to extensions from external calls) |
| Extension to Extension Calling | Yes, free intercom calling between extensions |
| Extension Lock/Unlock | To restrict or allow outgoing calls |
| Last Number Redial | Available |
| Call Pick-Up | Group or individual extension call pick-up |
| Paging (Public Addressing) | Available via extension phones |
| Auto Call Back | Available (When the busy extension becomes free) |
| Remote Programming | No (Programming is typically done from the master extension) |
| Battery Backup | No in-built battery, external UPS recommended for power backup |
| Installation | Wall-mountable or desktop |
| Dimensions | Compact (Usually around 250mm x 200mm x 75mm, varies by version) |
| Weight | Approx. 3-4 kg |
✅ Ideal Applications
- Small Offices
- Residences / Apartments
- Shops / Clinics
- Guest Houses & Small Hotels
- Educational Institutes
⭐ Key Features in Simple Terms
- 3 Trunk Lines can be shared among 8 internal extensions
- Caller ID on CO and internal lines (on compatible phones)
- Intercom Calling between extensions (Free)
- Call Transfer, Forward, and Conference functions
- Music on Hold keeps callers engaged when placed on hold
- Do Not Disturb mode for privacy
- Hotline setup for immediate dialing to a particular extension
- Extension Locking to prevent misuse of lines
🔩 Optional Features on Some Versions
- DISA (Direct Inward System Access) with security code
- Auto-Attendant/IVR (if upgraded model)
- Call Billing System Integration
