TelecomFM OneStream GFX is a universal system that can connect to an installed PBX as a call router from an existing corporate network to PSTN, VoIP and GSM, or as a stand-alone unit that replaces PBX.
IVON NETWORKS LIMITED is one of the best VoIP (Voice over Internet Protocol) Service Provider focusing in Internet Telephony Solutions for businesses, VoIP reseller programs and VoIP carrier services.