PABX, VoIP & Call Centre Solutions in Kenya — The Complete Guide to Office Telephony
PABX, VoIP & Call Centre Solutions in Kenya — The Complete Guide to Office Telephony
Choosing the right PABX system in Kenya decides how easily customers reach you, how well your staff collaborate, and how much you spend on calls every month. Whether you run a small office in Nairobi, a hotel, a SACCO, a hospital or a busy call centre, your phone system is still the backbone of business communication.
At Engsoft, we supply, install and maintain PABX telephone systems, IP PBX, VoIP and SIP telephony, call recording, call billing and IVR for organizations across Kenya and East Africa. This guide explains the options in plain language, so you can pick an office telephony setup that fits your business today and grows with it tomorrow.
In this guide: PABX vs IP PBX vs software-based PBX · VoIP and SIP telephony · omnichannel contact centres · IVR and call recording · call billing and accounting · Yeastar and Yealink · a buyer’s checklist · FAQs.
PABX vs IP PBX vs software-based PBX: what Kenyan businesses should know
A PABX (Private Automatic Branch Exchange), often shortened to PBX, is the switchboard that connects your office extensions to each other and to outside lines. Today there are three main kinds of business phone system in Kenya, and many organizations run a mix of them.
System type | How it works | Best for |
Traditional PABX (analog/digital) | Hardware switch connecting analog or digital extensions to PSTN lines | Offices with existing handsets and cabling |
IP PBX (e.g. Yeastar P-Series, S-Series) | Phone system running on your data network, using VoIP and SIP | Growing SMEs, multi-branch companies, hotels |
Software-based / cloud PBX | PBX software on a server or in the cloud, with apps on desktop and mobile | Remote and hybrid teams, contact centres |
The good news: you don’t have to replace everything at once. VoIP gateways connect existing analog, GSM and ISDN lines to a modern IP PBX, and our call billing and recording tools work with Avaya, Panasonic, Cisco, NEC, Siemens, Alcatel, Grandstream, Yeastar and any PABX that outputs call records.
VoIP, SIP and IP telephony in Kenya
VoIP (Voice over Internet Protocol) carries your calls as data over your network and the internet instead of traditional copper lines. SIP (Session Initiation Protocol) is the open standard that sets up those calls, so SIP phones, SIP trunks and IP PBXs from different vendors can work together. Together they make up IP telephony.
For businesses in Kenya and East Africa, IP telephony means:
One system for every branch: extensions in Nairobi, Mombasa or Kampala dial each other like one office.
Work from anywhere: staff take office calls on a softphone or mobile app.
Easier growth: add users and extensions without new cabling.
Video and messaging built in: calls, meetings and chat on one platform.
A VoIP gateway bridges the old and the new. It converts analog, cellular (GSM/LTE) and ISDN telephony into IP packets and back, so you can keep existing lines while moving to a modern IP PBX.
Software-based PBX and omnichannel contact centre
A software-based PBX is an open-standard business phone system and contact centre in one. It handles voice, video, live chat and business text messaging from a single platform, with no proprietary hardware to lock you in.
Core features and capabilities
Omnichannel messaging: answer voice calls alongside live website chat, WhatsApp, SMS and Facebook messages.
Video conferencing: built-in HD meetings for up to 250 participants, joined from a browser link with no downloads.
Advanced contact centre: skills-based routing, queue strategies, call recording, live wallboards, and supervisor tools to listen, whisper and barge in.
AI features: automated call transcription, sentiment analysis and smart call summaries.
Integrations: syncs with Microsoft 365, Google Workspace and CRMs such as Salesforce, HubSpot and Microsoft Dynamics.
For call centres in Kenya, this means customers can reach you on the channel they already use, while supervisors see every queue in real time.
Call centre solutions: IVR and call recording
IVR (Interactive Voice Response)
IVR is the automated voice menu callers hear when they phone your organization. Callers press keypad options (DTMF) or speak to get information or make requests without waiting for a live agent. Engsoft sets up IVR menus plus professionally recorded voice prompts and on-hold messages, so every caller gets a polished first impression.
Call recording and voice logging
Call recording software protects your business, supports quality assurance and settles disputes. Our PAudium voice recorder is a Windows-based hardware and software solution that:
Scales from 2 to 256 ports per unit.
Records analog lines, analog/digital/IP PBX extensions, and PRI lines (30 channels each).
Captures incoming, outgoing and intercom calls, and lets supervisors listen to live calls.
Finds any recording by date, time, account, campaign, destination or duration.
Supports scheduled logging and pop-up alarms for long calls or watched numbers.
Analyses traffic by channel, department, campaign and agent.
Call billing and call accounting software: control your phone costs
Phone bills grow quietly through long calls, personal calls and expensive routes. Engsoft’s call billing and call accounting software tracks every event on every extension of your PABX and turns it into clear management reports.
What you can see and control:
Detailed call logs by PIN, extension, department and trunk: number dialled, duration, time, cost and user.
The most expensive calls, most-dialled numbers and longest calls.
Local, trunk, international and mobile call splits, so you can move costly routes to cheaper providers.
Staff IDs on reports for payroll deduction of personal calls.
Historical or current tariffs for audits, plus archiving, access levels and audit trails.
Automation modules:
Telephone budgetor: fixed budgets per extension, code or department, with alerts when a budget runs out.
Mailer and scheduler: reports and warnings emailed automatically, on schedule.
Hotel PBX integration (PMSI): check-in, check-out, wake-up calls and call charges passed to your hotel software.
Web-based edition: one central view of call data across every branch on your WAN.
The system runs on Microsoft Access or MySQL, installs stand-alone, web-based or over LAN/WAN, and connects via TCP/IP or serial.
Yeastar IP PBX and Yealink IP phones in Kenya
Yeastar: IP PBX and VoIP gateways
Yeastar P-Series IP PBX: voice, video, messaging and customer experience in one place.
Yeastar S-Series VoIP PBX: proven unified communications for SMEs.
Linkus UC clients: calls, meetings and chat on web, desktop and mobile.
VoIP gateways: GSM (e.g. TG400) and ISDN (e.g. TB400) gateways, plus GSM/LTE modules and expansion cards.
Add-ons: Hotel App for hotels and resorts, and Billing App to track communication costs.
Yealink: IP phones and video conferencing
SIP IP phones: T5, T4 and T3 series desk phones (such as the SIP-T58W), DECT cordless phones and accessories.
Conference phones and video: CP965, CP925, CP935W, VP59 and the VC800 video conferencing system.
Microsoft Teams: Teams Rooms systems such as the MVC800 II, and Teams Phone devices.
Zoom: the UVC40 USB video bar, collaboration bars, conference phones and headsets for Zoom Rooms and Zoom Phone.
Engsoft supplies, installs, repairs and integrates Yeastar and Yealink equipment with your existing network and PBX.
How to choose an office telephony system in Kenya: a checklist
Count users and sites. How many extensions today, and how many in three years? One office or several branches?
Map your lines. Analog, GSM, ISDN/PRI or SIP trunks? A VoIP gateway may let you keep what you have.
Decide on hardware, software or cloud. Traditional PABX, IP PBX, or a software-based PBX for remote teams.
Plan for customers. Do you need IVR, call queues, or a full omnichannel contact centre?
Protect and prove. Is call recording needed for quality, compliance or dispute resolution?
Control costs. Add call billing and budgeting to see and cut phone spend.
Check integrations. Microsoft Teams, Zoom, Microsoft 365, Google Workspace, or your CRM.
Choose local support. Work with an installer who can maintain and repair the system in Kenya and East Africa.
Frequently asked questions
What is the difference between a PABX and a PBX?
None in practice. PABX (Private Automatic Branch Exchange) and PBX (Private Branch Exchange) both describe a business’s internal telephone switch; PABX simply stresses that switching is automatic.
Can I move to VoIP without replacing my existing PABX?
Often, yes. A VoIP gateway can connect existing analog, GSM or ISDN lines to an IP PBX, and you can migrate extensions in stages.
What is SIP telephony?
SIP is the open standard used to set up VoIP calls. It lets SIP phones, SIP trunks and IP PBXs from different vendors, such as Yealink phones on a Yeastar PBX, work together.
Does call billing software work with my PABX brand?
Our call billing and accounting software is tested on Avaya, Panasonic, Cisco, NEC, Siemens, Alcatel, Ericsson, Nortel, Grandstream, Yeastar and more, and works with any PABX that outputs call detail records.
How many lines can a call recorder handle?
The PAudium recorder scales from 2 to 256 ports per unit and supports analog lines, PBX extensions, PRI lines and IP telephony.
Do you install PBX systems outside Nairobi?
Engsoft supports organizations across Kenya and the wider East Africa region. Contact us with your locations for a quote.
Talk to Engsoft about your business phone system
From a single PABX installation to a multi-branch IP PBX and omnichannel call centre, Engsoft designs, supplies, installs and supports office telephony across Kenya and East Africa.


