You can prevent unauthorized login & hacking attempts and secure your VoIP Business with iTel Switch. iTel Switch is a cost-effective reliable option for VoIP Service Providers. Its multi-layer security provides maximum security to prevent unauthorized login or hacking attempts. In addition to this multilevel reseller support, intelligent routing, rate plan management, call monitoring are some prominent features. Check here for details: https://www.revesoft.com/products/itel-voip-softswitch