CallOne GmbH

callone.de

Berlin, Berlin, Germany

1-10 employees

LinkedIn Profile

About CallOne GmbH

sicherheitszertifizierung, sla-überwachung, ivr-systeme, automatisierte anrufweiterleitung, sprachtranskription, cloud telefonanlage, hybrid-telefonie, international rufnummern, ki-gestützte routing-algorithmen, customer experience, b2b, automatisierte kundenbefragungen, routing-management, predictive analytics, api-integrationen, multi-channel-kommunikation, software development, echtzeit-analysen, remote management, software publishing

CallOne GmbH's Tech Stack

Decision Makers at CallOne GmbH

1 contact

Bjoern Bendig

CEO

b***@callone.de Sign up to view

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21 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

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CallOne GmbH's Position in the StackWho Database

• CallOne GmbH is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 5,207 companies in Berlin are in the StackWho database.
• 2,453 telecommunications companies are in the 1-10 employee range (same size as CallOne GmbH).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does CallOne GmbH use?

CallOne GmbH uses SendInBlue, JQuery 2.1.1, Shutterstock, Nginx, DoubleClick, Google Play, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at CallOne GmbH?

StackWho has verified email addresses for 1 decision maker at CallOne GmbH. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach CallOne GmbH directly for sales, recruiting, or partnerships.

What industry is CallOne GmbH in?

CallOne GmbH operates in the telecommunications industry, headquartered in Berlin, Berlin, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export CallOne GmbH's contact data?

Yes. StackWho Pro members can export decision maker contact data for CallOne GmbH and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.