Core-Config

Smart IT Solutions for Your Business

We help grow your business with easy and reliable IT services — including email systems, networking, PABX, and more.

We ensure client satisfaction through personalized service, fast technical support, and expert solutions tailored to their exact business needs.
Our dedicated team is always ready to respond quickly and solve issues before they become problems. Contact us

IT Solutions for Your Business

Transform your business with smart IT infrastructure, secure email systems, reliable networking, and Remote ISP Support services tailored to your needs.

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Our Services

We are now trying to delivery our service as professionally

Microsoft 365 – Work Smarter, Anywhere

At Core-Config, we offer Microsoft 365 as a fully managed service to help your team stay productive, secure, and connected — from anywhere.

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Carbonio Mail Server

Modern, open-source mail server for businesses — secure, flexible, and perfect for companies that want full control over their mail system.

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Zimbra Mail Server

Enterprise-class email and collaboration platform with calendar, contacts, and webmail — hosted or on-premise.

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Network Support & LAN Setup

Full support for isp and office networking, including LAN cabling, switch/router setup, VLAN, and firewall configuration

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Domain & Web Hosting Services

Domain registration, DNS setup, secure and fast web hosting — with email and SSL support included.

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Remote ISP Support

We provide fast and secure remote assistance to resolve internet and network issues efficiently. Our expert team ensures smooth connectivity and professional support anytime, anywhere.

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Our ACHIEVEMENT

Our Customer Valuable Feedback

Hear from our satisfied customers who have experienced the quality and value of our products and services.

★★★★★

We received remote ISP support from Core-Config, and the experience was excellent. Their team quickly identified and resolved our issue with great professionalism. Highly satisfied with their prompt and reliable service.”
— RT Traders

**MD Robiul Islam**
Founder and Chairman of **RT Traders**

★★★★★

Outstanding quality and professionalism. I\’ve been a loyal customer for years and have never been disappointed.
— Baburhat Cable Network

**Mr Suman**
Owner of **Baburhat Cable Network**

★★★★★

Reliable and trustworthy. I highly recommend this for remote support to anyone looking for top-notch services.
— Betaga online

**Moloy Roy**
Founder and Owner of **Betaga online**

Frequently Asked Questions

What services does Core-Config provide?

We offer Microsoft 365 setup, Zimbra & Carbonio Mail Servers, LAN & network solutions, IPTSP & IP Telephony systems, and domain-hosting services with full support.

Do you offer Microsoft 365 licensing and support?

Yes. We provide Microsoft 365 licenses (Basic, Standard, Business), setup, migration, and ongoing technical support — all tailored to your business needs.

What’s the difference between Carbonio and Zimbra Mail Server?

Both are enterprise-class email platforms. Carbonio is modern and open-source; Zimbra is more traditional with strong collaboration features. We help you choose and deploy the best fit.

Can you handle full network setup for offices?

Yes. We design and implement LAN, VLAN, cabling, firewall, and router configuration (MikroTik, Cisco, Juniper), along with network monitoring and instant issue resolution.

Do you help with IPTSP setup and voice calling systems?

Absolutely. We set up IP Telephony with PABX, IVR, intercom, call recording, softphones, and assist in IPTSP licensing as per BTRC regulations.

Can you manage our domain and website hosting?

Yes. We register domains, configure DNS, and provide fast, secure web hosting with free SSL, business email, and full website support — including WordPress setup if needed.

What makes Core-Config different from others?

We provide personalized support in Bangla & English, fast response, expert solutions tailored to your business, and long-term care for all your IT infrastructure.