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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.

International CLI for call center traffic: check before you activate

Your ASR drops, the campaign has not changed, and the upstream route reports filtering. You review...

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Stop Repeating Yourself: How Smart Call Routing Fixes Support

Last agent routing is a cloud PBX feature that automatically reconnects a caller to the same agent...

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Inbound Call Center Features in a Cloud PBX: A Guide by Stage

A customer waits longer than usual. A call lands with the wrong agent. A supervisor only learns...

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0800 Toll-Free Numbers for Switzerland and Germany: Setup and Costs

A toll-free 0800 number lets customers in Switzerland or Germany call your business for free; the...

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Cloud PBX Adds Real-Time Call Quality Monitoring

With this new version, Virtual-Call Cloud PBX moves from beta to general availability, introducing...

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AI Receptionist Architecture: Which Model Fits You?

If your business has already decided to adopt an AI receptionist, the real question isn't, “Does it...

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Cloud PBX for Hotels: Built-In Hotel Management, No Extra Software

Virtual-Call's Cloud PBX includes a native hotel management module that centralizes check-in,...

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AI Receptionist: How it works and why it beats the IVR

In 2024, research indicated that 38% of consumers abandoned calls when the automated system failed...

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CRM and phone system integration: how it works in practice

Your sales rep just ended a 12-minute call with a hot prospect. Before moving on, they need to open...

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7 cloud PBX features every business phone system must have

When it's time to choose a cloud PBX, most decision-makers start by comparing prices. That's...

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