“Business solutions for businesses”

Innovative, Integrated Business Telecommunications and Conferencing Solutions

We are equipped with a team of certified experts and effective tools that allow us to deliver solutions of the highest quality for our clients.

ChristianJay Investments Limited is a leader in the development and production of telecommunications, VoIP and SIM Gateway solutions since 2015. We are Zambian-owned company and our expertise lies in the setup, configuration and management of cost-effective communication systems.

Products & Services

Explore our comprehensive and easy-to-implement telecommunication tools for business, from software to devices and equipment.


Explore the ChristianJay image gallery and view our exciting range of devices and business communication solutions.

Get to Know Us Better

ChristianJay Investments is a leading VoIP solution provider in Zambia and most parts of Africa. We have invested a lot of resources in VoIP technology and products

Team Collaboration Made Simple with Unified Communications

In today’s dynamic workplace, achieving team synergy via impactful collaboration is paramount to organisational success.
Promote positive engagement practises with the right infrastructure and dependable equipment; and ultimately, aid staff in fulfilling their duties and creating an atmosphere that encourages opportunity and success.

Our Engagement Solutions

Unified Communications

Support Services

Call Center Solutions

Office Equipment


Security Services

Why Partner with Us?

We have delivered cost-effective solutions on communication and have a proven track record across our client base. In addition to this, we also provide bespoke software solutions. Our solutions are suited to most businesses across different industries, and borders.

We Help your Organisation:


We offer to reduce your phone bill with our IP Telephony & SIP trucks


Our integrated web-conferencing solutions cut travel costs


Experience the benefits of unified communications


Our powerful and easy-to-use softphones for Mac and Windows allow you to make calls, anywhere


Enjoy unparalleled mobility with CJ-PBX’s Leading Android and iOS VoIP Clients


Benefit from integrated, free video conferencing and more!

What Our Clients Say About Us