26/08/2026
Planning to set up 3CX for your business or call center?
A reliable 3CX deployment involves much more than installing software. Your server, firewall, DNS, SIP trunks, IP phones, call routing, security, backups, and internet connectivity must all be configured correctly.
Our new 2026 guide explains how to:
✅ Install 3CX on an on premise server
✅ Configure firewall, NAT, and split DNS
✅ Connect SIP trunks and business numbers
✅ Provision Grandstream IP phones and 3CX apps
✅ Create IVRs, ring groups, and call center queues
✅ Set up lawful calling from Pakistan to the USA, UK, and UAE
✅ Integrate CRM, WhatsApp, and website Live Chat
✅ Secure, test, and back up the complete system
The guide also explains SIP trunks, FXO and FXS gateways, GSM gateways, IP PBX, Cloud PBX, and Cloud Call Center solutions in clear, practical language.
Whether you are establishing a new call center, replacing an old PBX, connecting multiple offices, or enabling remote employees, this guide will help you understand the complete 3CX deployment process.
Read the complete guide here:
https://tekkpak.com/how-to-setup-3cx-on-premise-server-guide/
Need professional assistance? TekkPak Technologies provides 3CX implementation, Grandstream IP phones, VoIP gateways, Cloud PBX, and managed call center solutions across Pakistan.
Learn how to set up 3CX on premise step by step, configure SIP trunks, IP phones, queues and lawful calls from Pakistan to the USA, UK and UAE.