Callflow

callflowlab.com

Sofia, Sofia City Province, Bulgaria

11-50 employees

LinkedIn Profile

About Callflow

telecommunications, business processes, consulting, contact center, telephone exchange, cloud ivr, cloud ip pbx, cloud call center, saas, chatbot, machine learning, call tracking, agentless dialer, cloud contact center, conference rooms, customer interaction history, lead generation, b2b, support team collaboration, email

Callflow's Tech Stack

Marketing

SendInBlue

1 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Callflow uses SendInBlue among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Callflow's Position in the StackWho Database

• Callflow 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).
• 1,023 companies in Sofia City Province are in the StackWho database.
• 2,638 telecommunications companies are in the 11-50 employee range (same size as Callflow).

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

Frequently Asked Questions

What technology does Callflow use?

Callflow uses SendInBlue. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Callflow?

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

What industry is Callflow in?

Callflow operates in the telecommunications industry, headquartered in Sofia, Sofia City Province, Bulgaria. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Callflow's contact data?

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