IP PBX System | Advanced VoIP Telephony

PBX vs IP PBX

A PBX (Private Branch Exchange) system is a private telephone network that indeed allows organisations to handle both internal and external voice communications. An IP PBX (Internet Protocol Private Branch Exchange) system offers the same functionality while utilising IP-based networks to transmit voice data. Both PBX and IP PBX systems are widely adopted by organisations to simplify local and long-distance communication and improve functional efficiency.

Rirabh helps businesses to elevate from traditional PBX to advanced IP PBX solutions that are easy to deploy, operate, and scale. Our IP PBX systems are flexible to integrate seamlessly with existing PRI, analogue, and GSM networks, which ensures a smooth and cost-effective transition to next-generation communication.

What is PBX System or Traditional PBX ?

IP PBX is a modern business phone system that uses the internet to manage and route calls within a company, typically set up as a physical device in the office. VoIP (Voice over Internet Protocol) is a technology that enables voice calls over the internet, usable on various devices like computers and smartphones. IP PBX can utilize VoIP to connect calls, combining advanced call management with the flexibility of internet-based communication. Together, they offer cost savings, flexibility, and scalability for businesses, making communication more efficient and affordable.

Instead of giving every employee a separate phone line to the telephone company, a PBX lets multiple internal phones share a few external lines — saving cost and improving manageability.

How does it work ?

IP PBX uses the internet to handle phone calls instead of traditional phone lines. It relies on a stable internet connection and the Session Initiation Protocol (SIP) to send and receive voice data.

When you make a call using an IP PBX, your voice is converted into digital data packets. Incoming calls are similarly received as data packets. IP PBX converts these packets back into voice signals and sends them to the appropriate endpoint. The system ensures that the call reaches the intended recipient, regardless of their location.

The flexibility of IP PBX systems means that employees can work from anywhere, as long as they have an internet connection.

Key Features
Call Transmission	Analog	Digital (VoIP)
Infrastructure	On-premise hardware	Software/cloud/hybrid
Scalability	Limited	Highly scalable
Cost	Higher (hardware, lines)	Lower (internet-based calls)
Remote Access	Limited	Easy (via internet)
Features	Basic telephony	Advanced, flexible

Core Features of IP PBX System

Call Conference

Seamless SIP switching for reliable and scalable call management.

Call Recording

Quickly recharge mobile accounts with secure, instant transactions.

Call Queue

Add multiple routes for cost-efficient call management.

Call Announcements

Prepaid/Postpaid Calling Card Services with Softswitch & VoIP Billing

MOH (Music on Hold)

Seamless SIP switching for reliable and scalable call management.

Voice Email

Seamless SIP switching for reliable and scalable call management.

Overview

Key Features

Benefits of using IP PBX system

Supports international and long-distance calls via VoIP.

Works with multiple SIP-based phones—no vendor lock-in.

Simple web-based or GUI management.

IP PBX Functional Features

Account Management

Account Management
Trunk settings

Call & Dial Plans

Outgoing and incoming call rules
Custom dial plans

Reports & Monitoring

CDR (Call Detail Records)
System status and performance reports

Choosing the Right System

Choose PBX if you want a stable, on-premise solution with minimal internet reliance.
Choose IP PBX if you want a flexible, cost-effective, and feature-rich system that adapts to modern communication needs and supports remote work.
With the rise of VoIP and internet-based telephony, IP PBX has become the go-to choice for businesses looking to modernize communication and scale effortlessly.

User Features

View User
Add / Import User

Account Features

SIP Settings
Trunk Settings

Call Plan & Dial Plan Features

Dial Plans
Out Going Call Rules
Incoming Call Rules

IPPBX Features

Call Conference
Call Recording
Call Transfer
Call Queue
Announcements
Ring Groups
MOH (Music on Hold)
Follow Me
IVR (Interactive voice response)
Voice Email
Time Condition
Time Groups

Call Status & Report

CDR Report

System Features

System Status

Hardware Requirments

Intel Core i5 Processor /32 Gb RAM/1 TB HDD

Software Requirements:

Debian 12.x (complete installation)

Carrier:

Carrier which supports SIP calls, g711, g723 and g729 codecs.

Pre-installation Considerations:

Here is some information that we think is worth knowing prior to installing the Rirabh IPPBX System.

Debian server should be on public IP.
SSL Certificate should be install on the Debian server

Internet connection:

The use of a 1Gbit Ethernet card is a prerequisite for Rirabh IPPBX System with good broadband internet connection .

Installation:

Rirabh requires remote access of server for installation. The installation of “Rirabh IPPBX System” will be done by SSH connection on Linux server.Its installation requires internet facility and the time taken for its set up mainly depends on the nature and amount of customization to be done and the nature of service provider’s infrastructure. Our competent and reliable force of engineers renders spectacular services in solving every bit of installation related problem.

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Ready to scale your IP PBX System with us?

Unified Communication

Rirabh brings together calls, video meetings, messaging, and collaboration tools in one seamless platform, helping teams stay connected and work more efficiently.

High-Quality Connections

Experience clear and uninterrupted voice and video communication, with minimal downtime and reliable performance even during peak usage.

All-in-One Features

Automation and cloud-based options reduce operational costs while improving billing accuracy and overall business productivity.

Flexible Scalability

Easily expand your setup as your business grows—from a single user to a large enterprise—without the need for extra equipment or complicated configurations.

Secure & Cost-Efficient

With strong encryption and access controls, your communication remains private and secure—all while saving on hardware and telecom expenses.

Customizable & Flexible

Tailored solutions to fit unique business needs, supporting multiple billing models and integration with existing systems.

IP PBX System - Advanced VoIP PBX for Businesses

PBX vs IP PBX

What is PBX System or Traditional PBX ?

How does it work ?

Comparison between PBX & IP PBX

Core Features of IP PBX System

Call Conference

Call Recording

Call Queue

Call Announcements

MOH (Music on Hold)

Voice Email

Ready to scale your IP PBX System with us?

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