Get in touch
Let's talk telecom
Whether you're an operator looking to expand your voice portfolio, an ISP ready to monetise your subscriber base, or an enterprise consolidating communications — our team is reachable by email and phone. No bots, no ticket queues: a real specialist on the other end.
Direct contact
Reach us directly — no middlemen
Flux operates its own network. When you contact us, you speak with engineers and commercial specialists who know the infrastructure from the inside out.
The best channel for detailed technical inquiries, partnership proposals, and commercial discussions. We aim to respond within one business day.
Phone
Available on request
Send us an email first and our team will provide a direct line for a scheduled call with the right specialist for your segment — operator, ISP, or enterprise.
Headquarters
Flux Tecnologia e Serviços Ltda
Brazil — serving operators, ISPs, PABX integrators, and enterprises across the national territory. Specific address details are provided to partners upon engagement.
Company information
Legal entity details, registration, and registered address for correspondence and billing purposes.
Office & support hours
Our commercial and technical teams keep different schedules. Critical infrastructure support never stops.
| Commercial & partnerships | Mon – Fri, 09:00 – 18:00 (BRT) |
| Technical onboarding | Mon – Fri, 08:00 – 19:00 (BRT) |
| Network operations (NOC) | 24 hours, 7 days a week |
| Critical incident escalation | 24 hours, 7 days a week |
| Billing & finance | Mon – Fri, 09:00 – 17:00 (BRT) |
Brazil Time (BRT) is UTC−3. During daylight saving time in the southeastern states, some schedules may shift by one hour — our team will confirm when coordinating calls.
Who to contact
Get to the right team, faster
Reaching the correct specialist from the start saves everyone time. Use these pointers to direct your message to the team best positioned to help you.
Commercial & Partnerships
contato@flux-us.site
New partner enquiries, commercial proposals, reseller agreements, white-label licensing, and volume pricing discussions.
Technical Pre-Sales
contato@flux-us.site
SIP Trunk configuration details, SBC compatibility, interconnection architecture, API documentation access, and proof-of-concept scoping.
Operator & ISP Solutions
contato@flux-us.site
Voice route expansion, interconnection agreements, numbering resources, and infrastructure sharing for carriers and internet service providers.
Enterprise & Contact Centre
contato@flux-us.site
Omnichannel deployments, virtual PABX provisioning, CRM white-label setup, and multi-site corporate voice consolidation projects.
Network Operations (NOC)
contato@flux-us.site
Incident reports, SLA-related escalations, and route quality issues. For critical incidents, active partners should use the dedicated NOC channel shared during onboarding.
Legal & Compliance
contato@flux-us.site
LGPD data subject requests, regulatory correspondence, contract queries, and any formal legal notices directed to Flux Tecnologia e Serviços Ltda.
Our commitment
Infrastructure you can count on — people you can reach
Flux has been connecting operators, ISPs, and enterprises across Brazil for over a decade. We built our own network precisely so that when something matters, there is no finger-pointing at a third-party carrier. The same philosophy applies to how we communicate with partners: direct, transparent, and in your language. Drop us an email at contato@flux-us.site and a specialist will follow up promptly.