Specifications

Model: Excelltel CS416 (also known as CS+416)
Type: Analog/ISDN PABX System
CO Line Capacity: 4 fixed central office (CO) lines
Extension Capacity: 16 fixed analog extensions

Voice Handling:

• Auto-attendant (DISA) with 3-part programmable greeting

• Operator mode with configurable default extension

Caller ID:

• Supported for incoming, transferred, and intercom calls

Call Features:

• Call transfer (internal and CO-to-CO)

• Call forwarding and pickup

• Three-party conferencing

• Callback on busy

• Least-cost routing (LCR)

• Extension-based call restrictions and duration limits

• Do Not Disturb (DND)

• Hotline and abbreviated dialing

• Day/Night/Holiday modes via real-time clock

Communication Channels:

• Supports up to 7 simultaneous conversations

Music on Hold:

• Supports both internal and external audio input

Power and Reliability:

• Input: 230V AC, ~20 VA consumption

• Power-fail transfer: CO lines auto-connect to extensions 1–4 during outages

• Battery backup interface available (optional)

• Flash time adjustable

• Memory retains settings during power loss

• Lightning protection built-in

Physical & Environment:

• Dimensions: approx. 327 × 217 × 60 mm

• Weight: around 2.5 to 3 kg

• Temperature: 0°C to 45°C

• Humidity: 20% to 80%

• Wall-mount or horizontal installation

• Plastic enclosure

• RJ11 ports for CO lines and extensions

Compliance:

• CE, ISO, RoHS

Description

The Excelltel CS416 is a compact analog PABX system with built-in support for 4 CO lines and 16 internal extensions. It is designed for small to medium-sized businesses that require reliable voice communication using standard analog phones.

This model includes key telephony features such as an automated attendant (DISA), caller ID display, intercom transfer, three-way conferencing, call forwarding, and call restrictions. It supports up to seven simultaneous conversations, ensuring adequate capacity for everyday business operations.

With built-in music on hold, power-fail CO routing, and memory backup, the CS416 ensures minimal disruption during power outages. It can be wall-mounted or placed on a flat surface, and setup is done through tone-dial phones.

It is ideal for businesses looking for a straightforward, stable, and low-maintenance telephone system without reliance on VoIP or digital infrastructure.