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VoIP Service

We offer premium VoIP Service at affordable and simple pricing. Modulis is a leading global provider for a variety of VoIP services including phone service, consulting, and VoIP complementary technologies. Purchase VoIP services a la carte or as part of a package.

Modulis provides more than just voice service. Get a full unified communications system including voice, video, messaging and more for your small, medium and large network needs. We provide a variety of configurations for those looking for out-of-the-box solutions or fully customized and integrated setups.

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“We saved over 37% per year on phone service by switching to Modulis from our previous provider. And now we even have more features.”

– Carly G. – Institutional Client

VoIP Service by Modulis

We provide a variety of VoIP services including cloud and hosted phone service, custom VoIP integrations, hardware sales,

and other complementary VoIP technologies, standalone or as part of a package.

ClusterPBX™ VoIP Service

Our flagship IP PBX VoIP Service for large and medium sized organizations, available in cloud hosted or on-site versions. It provides a supremely flexible and scalable VoIP Network.


InstantVoIP™ Phone Service

The perfect cloud hosted VoIP system for small businesses, easy to set up and easy to use. Simple pricing, pay only for what you use. Connect to your VoIP phone or mobile device.


asterCC™ Call Center

Powerful and customizable Call Center Service built on asterCC™ technology. Easy to manage and integrate with existing or third-party systems, great for 50 to 500 extensions.


SIP Trunking

High-quality, low-cost SIP Trunking Service for connecting your VoIP network to outside lines. Buy in bulk separately or as part of a VoIP service package.


Direct Inward Dialing

Call and receive calls from outside lines to your own phone number(s). Bring your own phone number with you, or choose one that matches your location’s area codes.


VoIP Hardware

View and purchase popular hand-picked VoIP hardware from Modulis’ VoIP store. Learn about keeping your existing VoIP hardware when you switch to Modulis.


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Why Choose a Modulis VoIP Service?

Huge Cost Savings

Gain regular and significant cost savings by switching to Modulis. No complicated licensing or pricing. Pay for service on a per extension basis.


dCAP Certified Asterisk Engineers

Our team of engineers live and breath Asterisk and are dCAP certified. Have peace of mind that we can properly plan, build and maintain any VoIP configuration.


Stable and Scalable Technology

Built on rock-solid open source VoIP technologies, including three layers of redundancy, for keeping you connected with 99.999% uptime reliability.


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