Tellfree Brasil Telefonia IP S.A.

tellfree.com.br

telecommunications

tellfree.com.br

Sao Paulo, State of Sao Paulo, Brazil

11-50 employees

LinkedIn Profile

About Tellfree Brasil Telefonia IP S.A.

telefonia ip, voip, telecomunicacoes, pabx ip

Tellfree Brasil Telefonia IP S.A.'s Tech Stack

Other

8x8 Avaya Genesys

Communication

Twilio Vonage

Decision Makers at Tellfree Brasil Telefonia IP S.A.

1 contact

Daniel Filho

CEO

d***@tellfree.com.br Sign up to view

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5 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Tellfree Brasil Telefonia IP S.A. uses Avaya, 8x8, Twilio among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Tellfree Brasil Telefonia IP S.A.'s Position in the StackWho Database

• Tellfree Brasil Telefonia IP S.A. 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).
• 6,958 companies in State of Sao Paulo are in the StackWho database.
• 2,638 telecommunications companies are in the 11-50 employee range (same size as Tellfree Brasil Telefonia IP S.A.).

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

Frequently Asked Questions

What technology does Tellfree Brasil Telefonia IP S.A. use?

Tellfree Brasil Telefonia IP S.A. uses Avaya, 8x8, Twilio, Vonage, Genesys. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Tellfree Brasil Telefonia IP S.A.?

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

What industry is Tellfree Brasil Telefonia IP S.A. in?

Tellfree Brasil Telefonia IP S.A. operates in the telecommunications industry, headquartered in Sao Paulo, State of Sao Paulo, Brazil. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Tellfree Brasil Telefonia IP S.A.'s contact data?

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