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Easily Switch From Cisco

Keep Your Existing Cisco SIP-Compatible Phone Hardware

When You Switch To Modulis VoIP Service

Switch to Modulis VoIP Service from Cisco and save on the high cost and time to navigate complex licensing agreements. Already have Cisco SIP compatible phone hardware? The majority of Cisco phones can be easily connected to Modulis VoIP networks while maintaining full functionality of features. Our networks are Asterisk based, an open source VoIP framework which provides extreme compatibility with most Cisco IP phones.


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VoIP Hardware


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Learn more about switching from Cisco to Modulis.
Contact Us Today.

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We Support Popular Phone and Hardware Brands


Shop for Phones

Contact us to find about additional phone brand compatibilities.

International Calling Rates

Get competitive domestic and
international VoIP calling rates.

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Check Your Number Portability

Take your current phone number
with you when you switch.

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VoIP Resources

Learn about VoIP industry news and
resources at the Modulis Blog.

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