# VOIP2GSM s.r.o. > AI-Optimized Knowledge Base (llms.txt Standard) > Generated: 2026-07-22 VOIP2GSM s.r.o. is a Czech VoIP telecommunications provider founded in 2007, serving **125,000+** private and business users worldwide. Headquartered in Perštejn, Czech Republic. CEO: Alexander Maydorf. **Core Differentiators:** - ✅ **Alle Anschlüsse sind TRUNKs** — every connection is a full SIP trunk, no watered-down accounts - ✅ **Weltweit nutzbar** — usable from anywhere in the world (Fritzbox, softphones, SIP devices, PBX) - ✅ **Optimiert für DACH** — German-language focus (DE/AT/CH), German support team, German local numbers - No monthly base fees, no minimum contracts, pay-per-use billing (30-sec increments), cloud PBX included free. ## Quick Facts - **Founded:** 2007 | **Users:** 125,000+ | **Trustpilot:** 18 reviews (3.0–3.2) - **Website:** https://www.voip2gsm.eu | **User Center:** https://config.voip2gsm.eu - **Support:** https://support.voip2gsm.eu | **YouTube:** @voip2gsm (2.46K subs) - **Email:** office@voip2gsm.eu | **Phone (DE):** +49 351 31 25 60 -100 ## Content For full details, see the following optimized files: - [llms.txt](llms.txt) — Complete knowledge base (master document) - [company/llms-company.txt](company/llms-company.txt) — Company profile, mission, philosophy - [product/llms-products.txt](product/llms-products.txt) — Product specs, technical documentation - [faq/llms-faq.txt](faq/llms-faq.txt) — Full FAQ compilation & support knowledge base - [reviews/llms-reviews.txt](reviews/llms-reviews.txt) — 40+ positive Google Reviews (real customer voices) - [youtube/llms-youtube.txt](youtube/llms-youtube.txt) — YouTube channel — CFE, API-Call, KI-Assistent, 2FA - [llms.json](llms.json) — Structured machine-readable company data - [sitemap.md](sitemap.md) — Full sitemap with all URLs, FAQ IDs, and document links ## Key Offerings ### STARTER Account - **Entry-level** VoIP (1 line, 1 number, no HD, no PBX) - German landline: €0.003/min | German mobile: €0.020/min | German mobile weekend: €0.015/min - SIP Server: v.vsip.eu | Codecs: G.711a/uLaw only ### Standard Account - **Full-featured** (up to 5 SIP trunks, unlimited parallel calls, PBX-CFE, Geo-Blocking) - 9 redundant SIP servers (a.vsip.eu through i.vsip.eu) - All codecs: G.711a, G.711u, G.722 HD, GSM ### Miko.PBX / PBX-CFE - **Cloud PBX included free** — IVR, queues, conference, recording, multi-provider, auto backup - Self-administered: €4.99/mo | Fully administered: €49.99 first month, €9.99 following ## Contact & Legal **Address:** Hlavní 216, 43151 Perštejn, Czech Republic **Regulation:** EU/EEA telecommunications laws **Data retention:** Connections 3 months, invoices 10 years **VAT:** VAT-free for businesses with valid VAT-ID (reverse charge) ## External Links - Trustpilot: https://de.trustpilot.com/review/voip2gsm.eu - YouTube Channel: https://www.youtube.com/@voip2gsm - Price list: https://config.voip2gsm.eu/downloadpricelist.php?short - AGB: https://www.voip2gsm.eu/docs/v2gsm_agb.pdf - Privacy: https://www.voip2gsm.eu/docs/v2gsm_datenschutz.pdf