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Otto Kolbe

An expert in IT Systems Engineering and Cloud Telephony, Otto Kolbe brings over twenty years of systems engineering experience to the table. His extensive 12-year background in VoIP and SIP protocols, bolstered by the prestigious MCSA and MCSE certifications, has established him as an authority in the field of cloud telephony.

Integrating SIP Trunking with PBX systems: benefits and challenges

The global VoIP market is rapidly expanding, projected to reach $472.26 billion by 2033, driven by...

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Boost productivity with Microsoft Teams Direct Routing and VoIP

What obstacles are impeding an efficient workflow in your company? The use of redundant...

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Understanding virtual calls: basics, features, and benefits

Virtual calls, which allow individuals and businesses to communicate seamlessly over the internet,...

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Step by step to successfully implement SIP Trunk

Think of SIP Trunk as an advanced digital highway, replacing the old infrastructure of traditional...

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Wholesale voice termination: What is it and how does it work?

Today, the global market for wholesale voice operators has already surpassed the impressive US$...

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Hosted Softswitch: The solution for VoIP telephony providers

In the telecommunications sector, efficiency and integration are key to success. Hosted Softswitch...

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SIP Trunk: Trends and benefits for modern businesses

With so much research available showing that the SIP trunking market is expanding significantly,...

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Virtual-Call's SIP Trunk earns Unify-Mitel certification

As we close out 2024, we're thrilled to share another significant achievement. We are proud to...

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Hosted Softswitch - A comprehensive guide

As we approach the end of 2024, the telecommunication’s landscape is evolving rapidly, with...

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Cloud Telephony support: Remote or In-Person?

In the evolving landscape of business communications, a pivotal question arises: Should cloud...

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