C4switch offering Class 4/5 VoIP switch
* VOS3000 2.1.2.0 – Anti Hacking, Customized CDR, Admin Panel, Email Alerts, Billing/ Invoicing, Add Payments, Brand Logo, Trace Routing.
* VOS3000 2.1.4.0 - Anti Hacking, bY Default CDR, Customized Billing.
* VOS3000 2.1.6.0 - Anti hacking panel & Security Firewall implementation
* CRYSTAL LINK/SIPPY – Licensed 5.2 switch, Auto billing and invoicing, Reseller, Routing, Support all dialer, Call-shop module, Calling card module, Environment module.
* DEDICATED SERVER – Hardware Replacement, Package Upgrades.
* 24/7/365 tech support.
