Skip to main content

Expansion Modules

At Modern Telephone Company, we offer a wide selection of expansion modules, including line expansion modules, button expansion modules, sidecar expansion modules, and more. Our experts will work closely with you to understand your specific requirements and guide you in choosing the ideal expansion module that enhances your communication capabilities.

We provide comprehensive assistance, from identifying the compatible expansion modules for your phone system to addressing any technical considerations or compatibility concerns. With our industry expertise and commitment to customer satisfaction, we ensure that you have the right telephone expansion module to optimize your office phone system and streamline your communication workflow.

Get Started

Let us show you what you're missing.

Contact us for a free assessment

Get Started